PDB Short entry for 2BU1
HEADER    VIRUS/RNA                               08-JUN-05   2BU1              
TITLE     MS2-RNA HAIRPIN (5BRU -5) COMPLEX                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MS2 COAT PROTEIN;                                          
COMPND   3 CHAIN: A, B, C;                                                      
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: 5'-R(*AP*CP*AP*UP*GP*AP*GP*GP*AP*UP                        
COMPND   7 *5BU*AP*CP*CP*CP*AP*UP*GP*U)-3';                                     
COMPND   8 CHAIN: R, S;                                                         
COMPND   9 FRAGMENT: COAT PROTEIN-BINDING HAIRPIN, RESIDUES 2-18;               
COMPND  10 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACTERIOPHAGE MS2;                              
SOURCE   3 ORGANISM_TAXID: 12022;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 SYNTHETIC: YES;                                                      
SOURCE   8 ORGANISM_SCIENTIFIC: BACTERIOPHAGE MS2;                              
SOURCE   9 ORGANISM_TAXID: 12022                                                
KEYWDS    VIRUS/RNA, COMPLEX (CAPSID PROTEIN-RNA HAIRPIN), HAIRPIN, CAPSID,     
KEYWDS   2 LEVIVIRUS, CAPSID PROTEIN, RNA-BINDING, STRUCTURAL PROTEIN,          
KEYWDS   3 ICOSAHEDRAL VIRUS, VIRUS-RNA COMPLEX                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.GRAHN,T.MOSS,C.HELGSTRAND,K.FRIDBORG,M.SUNDARAM,K.TARS,H.LAGO,      
AUTHOR   2 N.J.STONEHOUSE,D.R.DAVIS,P.G.STOCKLEY,L.LILJAS                       
REVDAT   4   09-OCT-19 2BU1    1       JRNL   LINK                              
REVDAT   3   24-FEB-09 2BU1    1       VERSN                                    
REVDAT   2   18-NOV-05 2BU1    1       COMPND REMARK DBREF  SEQRES              
REVDAT   2 2                   1       MODRES CRYST1 SCALE3 CONECT              
REVDAT   2 3                   1       SPRSDE                                   
REVDAT   1   18-AUG-05 2BU1    0                                                
SPRSDE     18-NOV-05 2BU1      1E6T                                             
JRNL        AUTH   E.GRAHN,T.MOSS,C.HELGSTRAND,K.FRIDBORG,M.SUNDARAM,K.TARS,    
JRNL        AUTH 2 H.LAGO,N.J.STONEHOUSE,D.R.DAVIS,P.G.STOCKLEY,L.LILJAS        
JRNL        TITL   STRUCTURAL BASIS OF PYRIMIDINE SPECIFICITY IN THE MS2 RNA    
JRNL        TITL 2 HAIRPIN-COAT-PROTEIN COMPLEX.                                
JRNL        REF    RNA                           V.   7  1616 2001              
JRNL        REFN                   ISSN 1355-8382                               
JRNL        PMID   11720290                                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.5                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 47.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 71.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 372421                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.219                           
REMARK   3   FREE R VALUE                     : 0.244                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 0.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 394                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.012                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.40                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 12.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3309                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3130                       
REMARK   3   BIN FREE R VALUE                    : 0.3640                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 0.10                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 4                            
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.182                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2895                                    
REMARK   3   NUCLEIC ACID ATOMS       : 728                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 205                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 36.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.31                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.34                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 6.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.36                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.29                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 2.100                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.30                                                 
REMARK   3   BSOL        : 36.92                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : DNA-RNA-5BR_MULT.PARAM                         
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA-5BR.TOP                                
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2BU1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-JUN-05.                  
REMARK 100 THE DEPOSITION ID IS D_1290024401.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 28-AUG-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 287                                
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 3                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX9.6                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.870                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 374908                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 47.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 69.0                               
REMARK 200  DATA REDUNDANCY                : 3.300                              
REMARK 200  R MERGE                    (I) : 0.16000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.18                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.26                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 13.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.40000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: MS2 RECOMBINANT CAPSIDS                              
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): NULL                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.4                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2                            
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-Z                                              
REMARK 290       7555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       8555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       9555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290      10555   Y+2/3,X+1/3,-Z+1/3                                      
REMARK 290      11555   X-Y+2/3,-Y+1/3,-Z+1/3                                   
REMARK 290      12555   -X+2/3,-X+Y+1/3,-Z+1/3                                  
REMARK 290      13555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290      14555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290      15555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290      16555   Y+1/3,X+2/3,-Z+2/3                                      
REMARK 290      17555   X-Y+1/3,-Y+2/3,-Z+2/3                                   
REMARK 290      18555   -X+1/3,-X+Y+2/3,-Z+2/3                                  
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000      144.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       83.13844            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000      217.66667            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000      144.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       83.13844            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000      217.66667            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000      144.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       83.13844            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000      217.66667            
REMARK 290   SMTRY1  10 -0.500000  0.866025  0.000000      144.00000            
REMARK 290   SMTRY2  10  0.866025  0.500000  0.000000       83.13844            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      217.66667            
REMARK 290   SMTRY1  11  1.000000  0.000000  0.000000      144.00000            
REMARK 290   SMTRY2  11  0.000000 -1.000000  0.000000       83.13844            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      217.66667            
REMARK 290   SMTRY1  12 -0.500000 -0.866025  0.000000      144.00000            
REMARK 290   SMTRY2  12 -0.866025  0.500000  0.000000       83.13844            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000      217.66667            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000      166.27688            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000      435.33333            
REMARK 290   SMTRY1  14 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.866025 -0.500000  0.000000      166.27688            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000      435.33333            
REMARK 290   SMTRY1  15 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  15 -0.866025 -0.500000  0.000000      166.27688            
REMARK 290   SMTRY3  15  0.000000  0.000000  1.000000      435.33333            
REMARK 290   SMTRY1  16 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.866025  0.500000  0.000000      166.27688            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000      435.33333            
REMARK 290   SMTRY1  17  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  17  0.000000 -1.000000  0.000000      166.27688            
REMARK 290   SMTRY3  17  0.000000  0.000000 -1.000000      435.33333            
REMARK 290   SMTRY1  18 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  18 -0.866025  0.500000  0.000000      166.27688            
REMARK 290   SMTRY3  18  0.000000  0.000000 -1.000000      435.33333            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 THE ASSEMBLY REPRESENTED IN THIS ENTRY HAS REGULAR                   
REMARK 300 ICOSAHEDRAL POINT SYMMETRY (SCHOENFLIES SYMBOL = I).                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, R, S                         
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.809017  0.110264 -0.577350        0.00000            
REMARK 350   BIOMT2   2  0.467086  0.475684  0.745356        0.00000            
REMARK 350   BIOMT3   2  0.356822 -0.872678  0.333333        0.00000            
REMARK 350   BIOMT1   3  0.500000  0.645497 -0.577350        0.00000            
REMARK 350   BIOMT2   3  0.866025 -0.372678  0.333333        0.00000            
REMARK 350   BIOMT3   3  0.000000 -0.666667 -0.745356        0.00000            
REMARK 350   BIOMT1   4  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   4  0.645497 -0.372678 -0.666667        0.00000            
REMARK 350   BIOMT3   4 -0.577350  0.333333 -0.745356        0.00000            
REMARK 350   BIOMT1   5  0.809017  0.467086  0.356822        0.00000            
REMARK 350   BIOMT2   5  0.110264  0.475684 -0.872678        0.00000            
REMARK 350   BIOMT3   5 -0.577350  0.745356  0.333333        0.00000            
REMARK 350   BIOMT1   6  0.309017  0.755761  0.577350        0.00000            
REMARK 350   BIOMT2   6  0.755761 -0.563661  0.333333        0.00000            
REMARK 350   BIOMT3   6  0.577350  0.333333 -0.745356        0.00000            
REMARK 350   BIOMT1   7  0.809017 -0.110264  0.577350        0.00000            
REMARK 350   BIOMT2   7  0.467086 -0.475684 -0.745356        0.00000            
REMARK 350   BIOMT3   7  0.356822  0.872678 -0.333333        0.00000            
REMARK 350   BIOMT1   8  0.809017 -0.467086 -0.356822        0.00000            
REMARK 350   BIOMT2   8 -0.110264  0.475684 -0.872678        0.00000            
REMARK 350   BIOMT3   8  0.577350  0.745356  0.333333        0.00000            
REMARK 350   BIOMT1   9  0.309017  0.178411 -0.934172        0.00000            
REMARK 350   BIOMT2   9 -0.178411  0.975684  0.127322        0.00000            
REMARK 350   BIOMT3   9  0.934172  0.127322  0.333333        0.00000            
REMARK 350   BIOMT1  10  0.000000  0.934172 -0.356822        0.00000            
REMARK 350   BIOMT2  10  0.356822  0.333333  0.872678        0.00000            
REMARK 350   BIOMT3  10  0.934172 -0.127322 -0.333333        0.00000            
REMARK 350   BIOMT1  11 -0.809017  0.110264 -0.577350        0.00000            
REMARK 350   BIOMT2  11  0.110264 -0.936339 -0.333333        0.00000            
REMARK 350   BIOMT3  11 -0.577350 -0.333333  0.745356        0.00000            
REMARK 350   BIOMT1  12 -0.809017  0.467086  0.356822        0.00000            
REMARK 350   BIOMT2  12 -0.467086 -0.142350 -0.872678        0.00000            
REMARK 350   BIOMT3  12 -0.356822 -0.872678  0.333333        0.00000            
REMARK 350   BIOMT1  13 -0.309017 -0.178411  0.934172        0.00000            
REMARK 350   BIOMT2  13 -0.755761  0.642350 -0.127322        0.00000            
REMARK 350   BIOMT3  13 -0.577350 -0.745356 -0.333333        0.00000            
REMARK 350   BIOMT1  14  0.000000 -0.934172  0.356822        0.00000            
REMARK 350   BIOMT2  14 -0.356822  0.333333  0.872678        0.00000            
REMARK 350   BIOMT3  14 -0.934172 -0.127322 -0.333333        0.00000            
REMARK 350   BIOMT1  15 -0.309017 -0.755761 -0.577350        0.00000            
REMARK 350   BIOMT2  15  0.178411 -0.642350  0.745356        0.00000            
REMARK 350   BIOMT3  15 -0.934172  0.127322  0.333333        0.00000            
REMARK 350   BIOMT1  16 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2  16 -0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3  16  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1  17 -0.809017 -0.467086 -0.356822        0.00000            
REMARK 350   BIOMT2  17 -0.467086  0.142350  0.872678        0.00000            
REMARK 350   BIOMT3  17 -0.356822  0.872678 -0.333333        0.00000            
REMARK 350   BIOMT1  18 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2  18  0.000000 -0.745356  0.666667        0.00000            
REMARK 350   BIOMT3  18  0.000000  0.666667  0.745356        0.00000            
REMARK 350   BIOMT1  19 -0.809017 -0.110264  0.577350        0.00000            
REMARK 350   BIOMT2  19 -0.110264 -0.936339 -0.333333        0.00000            
REMARK 350   BIOMT3  19  0.577350 -0.333333  0.745356        0.00000            
REMARK 350   BIOMT1  20 -0.500000 -0.645497  0.577350        0.00000            
REMARK 350   BIOMT2  20 -0.645497 -0.166667 -0.745356        0.00000            
REMARK 350   BIOMT3  20  0.577350 -0.745356 -0.333333        0.00000            
REMARK 350   BIOMT1  21 -0.309017  0.178411 -0.934172        0.00000            
REMARK 350   BIOMT2  21  0.755761  0.642350 -0.127322        0.00000            
REMARK 350   BIOMT3  21  0.577350 -0.745356 -0.333333        0.00000            
REMARK 350   BIOMT1  22 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2  22  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3  22  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1  23  0.000000  0.356822  0.934172        0.00000            
REMARK 350   BIOMT2  23  0.934172  0.333333 -0.127322        0.00000            
REMARK 350   BIOMT3  23 -0.356822  0.872678 -0.333333        0.00000            
REMARK 350   BIOMT1  24  0.500000 -0.645497  0.577350        0.00000            
REMARK 350   BIOMT2  24  0.866025  0.372678 -0.333333        0.00000            
REMARK 350   BIOMT3  24  0.000000  0.666667  0.745356        0.00000            
REMARK 350   BIOMT1  25  0.309017 -0.755761 -0.577350        0.00000            
REMARK 350   BIOMT2  25  0.755761  0.563661 -0.333333        0.00000            
REMARK 350   BIOMT3  25  0.577350 -0.333333  0.745356        0.00000            
REMARK 350   BIOMT1  26 -0.500000 -0.645497  0.577350        0.00000            
REMARK 350   BIOMT2  26  0.645497  0.166667  0.745356        0.00000            
REMARK 350   BIOMT3  26 -0.577350  0.745356  0.333333        0.00000            
REMARK 350   BIOMT1  27 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2  27  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3  27  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1  28 -0.809017 -0.467086 -0.356822        0.00000            
REMARK 350   BIOMT2  28  0.467086 -0.142350 -0.872678        0.00000            
REMARK 350   BIOMT3  28  0.356822 -0.872678  0.333333        0.00000            
REMARK 350   BIOMT1  29 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2  29  0.000000  0.745356 -0.666667        0.00000            
REMARK 350   BIOMT3  29  0.000000 -0.666667 -0.745356        0.00000            
REMARK 350   BIOMT1  30 -0.809017 -0.110264  0.577350        0.00000            
REMARK 350   BIOMT2  30  0.110264  0.936339  0.333333        0.00000            
REMARK 350   BIOMT3  30 -0.577350  0.333333 -0.745356        0.00000            
REMARK 350   BIOMT1  31  0.809017  0.110264 -0.577350        0.00000            
REMARK 350   BIOMT2  31 -0.467086 -0.475684 -0.745356        0.00000            
REMARK 350   BIOMT3  31 -0.356822  0.872678 -0.333333        0.00000            
REMARK 350   BIOMT1  32  0.500000  0.645497 -0.577350        0.00000            
REMARK 350   BIOMT2  32 -0.866025  0.372678 -0.333333        0.00000            
REMARK 350   BIOMT3  32  0.000000  0.666667  0.745356        0.00000            
REMARK 350   BIOMT1  33  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2  33 -0.645497  0.372678  0.666667        0.00000            
REMARK 350   BIOMT3  33  0.577350 -0.333333  0.745356        0.00000            
REMARK 350   BIOMT1  34  0.809017  0.467086  0.356822        0.00000            
REMARK 350   BIOMT2  34 -0.110264 -0.475684  0.872678        0.00000            
REMARK 350   BIOMT3  34  0.577350 -0.745356 -0.333333        0.00000            
REMARK 350   BIOMT1  35  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2  35  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3  35  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1  36  0.000000  0.356822  0.934172        0.00000            
REMARK 350   BIOMT2  36 -0.934172 -0.333333  0.127322        0.00000            
REMARK 350   BIOMT3  36  0.356822 -0.872678  0.333333        0.00000            
REMARK 350   BIOMT1  37  0.500000 -0.645497  0.577350        0.00000            
REMARK 350   BIOMT2  37 -0.866025 -0.372678  0.333333        0.00000            
REMARK 350   BIOMT3  37  0.000000 -0.666667 -0.745356        0.00000            
REMARK 350   BIOMT1  38  0.309017 -0.755761 -0.577350        0.00000            
REMARK 350   BIOMT2  38 -0.755761 -0.563661  0.333333        0.00000            
REMARK 350   BIOMT3  38 -0.577350  0.333333 -0.745356        0.00000            
REMARK 350   BIOMT1  39 -0.309017  0.178411 -0.934172        0.00000            
REMARK 350   BIOMT2  39 -0.755761 -0.642350  0.127322        0.00000            
REMARK 350   BIOMT3  39 -0.577350  0.745356  0.333333        0.00000            
REMARK 350   BIOMT1  40 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2  40 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3  40  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1  41 -0.309017  0.755761  0.577350        0.00000            
REMARK 350   BIOMT2  41  0.178411  0.642350 -0.745356        0.00000            
REMARK 350   BIOMT3  41 -0.934172 -0.127322 -0.333333        0.00000            
REMARK 350   BIOMT1  42  0.309017 -0.178411  0.934172        0.00000            
REMARK 350   BIOMT2  42  0.178411  0.975684  0.127322        0.00000            
REMARK 350   BIOMT3  42 -0.934172  0.127322  0.333333        0.00000            
REMARK 350   BIOMT1  43  0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2  43  0.645497  0.372678  0.666667        0.00000            
REMARK 350   BIOMT3  43 -0.577350 -0.333333  0.745356        0.00000            
REMARK 350   BIOMT1  44  0.000000 -0.356822 -0.934172        0.00000            
REMARK 350   BIOMT2  44  0.934172 -0.333333  0.127322        0.00000            
REMARK 350   BIOMT3  44 -0.356822 -0.872678  0.333333        0.00000            
REMARK 350   BIOMT1  45 -0.500000  0.645497 -0.577350        0.00000            
REMARK 350   BIOMT2  45  0.645497 -0.166667 -0.745356        0.00000            
REMARK 350   BIOMT3  45 -0.577350 -0.745356 -0.333333        0.00000            
REMARK 350   BIOMT1  46  0.809017 -0.467086 -0.356822        0.00000            
REMARK 350   BIOMT2  46  0.110264 -0.475684  0.872678        0.00000            
REMARK 350   BIOMT3  46 -0.577350 -0.745356 -0.333333        0.00000            
REMARK 350   BIOMT1  47  0.309017  0.178411 -0.934172        0.00000            
REMARK 350   BIOMT2  47  0.178411 -0.975684 -0.127322        0.00000            
REMARK 350   BIOMT3  47 -0.934172 -0.127322 -0.333333        0.00000            
REMARK 350   BIOMT1  48  0.000000  0.934172 -0.356822        0.00000            
REMARK 350   BIOMT2  48 -0.356822 -0.333333 -0.872678        0.00000            
REMARK 350   BIOMT3  48 -0.934172  0.127322  0.333333        0.00000            
REMARK 350   BIOMT1  49  0.309017  0.755761  0.577350        0.00000            
REMARK 350   BIOMT2  49 -0.755761  0.563661 -0.333333        0.00000            
REMARK 350   BIOMT3  49 -0.577350 -0.333333  0.745356        0.00000            
REMARK 350   BIOMT1  50  0.809017 -0.110264  0.577350        0.00000            
REMARK 350   BIOMT2  50 -0.467086  0.475684  0.745356        0.00000            
REMARK 350   BIOMT3  50 -0.356822 -0.872678  0.333333        0.00000            
REMARK 350   BIOMT1  51  0.000000 -0.934172  0.356822        0.00000            
REMARK 350   BIOMT2  51  0.356822 -0.333333 -0.872678        0.00000            
REMARK 350   BIOMT3  51  0.934172  0.127322  0.333333        0.00000            
REMARK 350   BIOMT1  52 -0.309017 -0.755761 -0.577350        0.00000            
REMARK 350   BIOMT2  52 -0.178411  0.642350 -0.745356        0.00000            
REMARK 350   BIOMT3  52  0.934172 -0.127322 -0.333333        0.00000            
REMARK 350   BIOMT1  53 -0.809017  0.110264 -0.577350        0.00000            
REMARK 350   BIOMT2  53 -0.110264  0.936339  0.333333        0.00000            
REMARK 350   BIOMT3  53  0.577350  0.333333 -0.745356        0.00000            
REMARK 350   BIOMT1  54 -0.809017  0.467086  0.356822        0.00000            
REMARK 350   BIOMT2  54  0.467086  0.142350  0.872678        0.00000            
REMARK 350   BIOMT3  54  0.356822  0.872678 -0.333333        0.00000            
REMARK 350   BIOMT1  55 -0.309017 -0.178411  0.934172        0.00000            
REMARK 350   BIOMT2  55  0.755761 -0.642350  0.127322        0.00000            
REMARK 350   BIOMT3  55  0.577350  0.745356  0.333333        0.00000            
REMARK 350   BIOMT1  56 -0.500000  0.645497 -0.577350        0.00000            
REMARK 350   BIOMT2  56 -0.645497  0.166667  0.745356        0.00000            
REMARK 350   BIOMT3  56  0.577350  0.745356  0.333333        0.00000            
REMARK 350   BIOMT1  57 -0.309017  0.755761  0.577350        0.00000            
REMARK 350   BIOMT2  57 -0.178411 -0.642350  0.745356        0.00000            
REMARK 350   BIOMT3  57  0.934172  0.127322  0.333333        0.00000            
REMARK 350   BIOMT1  58  0.309017 -0.178411  0.934172        0.00000            
REMARK 350   BIOMT2  58 -0.178411 -0.975684 -0.127322        0.00000            
REMARK 350   BIOMT3  58  0.934172 -0.127322 -0.333333        0.00000            
REMARK 350   BIOMT1  59  0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2  59 -0.645497 -0.372678 -0.666667        0.00000            
REMARK 350   BIOMT3  59  0.577350  0.333333 -0.745356        0.00000            
REMARK 350   BIOMT1  60  0.000000 -0.356822 -0.934172        0.00000            
REMARK 350   BIOMT2  60 -0.934172  0.333333 -0.127322        0.00000            
REMARK 350   BIOMT3  60  0.356822  0.872678 -0.333333        0.00000            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 FORMS THE PHAGE SHELL AND BINDS TO THE PHAGE RNA                     
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465       A R     1                                                      
REMARK 465       U R    19                                                      
REMARK 465       A S     1                                                      
REMARK 465       U S    19                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500      C S   2   P       C S   2   OP3    -0.077                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500      C S   2   C2' -  C3' -  O3' ANGL. DEV. =  10.1 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A   2      124.11    167.54                                   
REMARK 500    ASN A  24      149.51   -176.44                                   
REMARK 500    PHE B  25       18.65   -140.88                                   
REMARK 500    ASN C  12       45.30   -107.62                                   
REMARK 500    SER C  23      -43.67   -136.20                                   
REMARK 500    PHE C  25       54.13   -144.89                                   
REMARK 500    ASN C  36     -164.06     73.80                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH C2023        DISTANCE =  6.85 ANGSTROMS                       
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1AQ3   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF A MS2 COAT PROTEIN MUTANT IN COMPLEX WITH ANRNA         
REMARK 900 OPERATOR                                                             
REMARK 900 RELATED ID: 1AQ4   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF A MS2 COAT PROTEIN MUTANT IN COMPLEX WITH ANRNA         
REMARK 900 OPERATOR                                                             
REMARK 900 RELATED ID: 1BMS   RELATED DB: PDB                                   
REMARK 900 MOL_ID: 1; MOLECULE: BACTERIOPHAGE MS2 CAPSID; CHAIN: A, B, C;       
REMARK 900 ENGINEERED: YES; MUTATION: P78N                                      
REMARK 900 RELATED ID: 1DZS   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (4ONE -5) COMPLEX                                    
REMARK 900 RELATED ID: 1E7X   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (2ONE -5) COMPLEX                                    
REMARK 900 RELATED ID: 1GKV   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (C-7) COMPLEX                                        
REMARK 900 RELATED ID: 1GKW   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (G-10) COMPLEX                                       
REMARK 900 RELATED ID: 1H8J   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (G -5) COMPLEX                                       
REMARK 900 RELATED ID: 1HDW   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (2THIO-U -5-6) COMPLEX                               
REMARK 900 RELATED ID: 1HE0   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (2THIOURACIL-5) COMPLEX                              
REMARK 900 RELATED ID: 1HE6   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (ADE -5) COMPLEX                                     
REMARK 900 RELATED ID: 1KUO   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (C-10) COMPLEX                                       
REMARK 900 RELATED ID: 1MSC   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1MST   RELATED DB: PDB                                   
REMARK 900 MOL_ID: 1; MOLECULE: BACTERIOPHAGE MS2 CAPSID; CHAIN: A, B, C;       
REMARK 900 ENGINEERED: YES; MUTATION: E76D                                      
REMARK 900 RELATED ID: 1MVA   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF A PROTEIN CAPSID OF THE T45A MUTANT OF PHAGEMS2         
REMARK 900 RELATED ID: 1MVB   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF A PROTEIN CAPSID OF THE T59S MUTANT OF PHAGEMS2         
REMARK 900 RELATED ID: 1U1Y   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF A COMPLEX BETWEEN WT BACTERIOPHAGE MS2COAT      
REMARK 900 PROTEIN AND AN F5 APTAMER RNA STEMLOOP WITH2AMINOPURINE SUBSTITUTED  
REMARK 900 AT THE-10 POSITION                                                   
REMARK 900 RELATED ID: 1ZDH   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF BACTERIOPHAGE COAT PROTEIN- OPERATOR COMPLEX            
REMARK 900 RELATED ID: 1ZDI   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF MS2 PROTEIN CAPSID                                      
REMARK 900 RELATED ID: 1ZDJ   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF BACTERIOPHAGE COAT PROTEIN-LOOP RNA COMPLEX             
REMARK 900 RELATED ID: 1ZDK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF BACTERIOPHAGE COAT PROTEIN-LOOP RNA COMPLEX             
REMARK 900 RELATED ID: 2BNY   RELATED DB: PDB                                   
REMARK 900 MS2 (N87A MUTANT) - RNA HAIRPIN COMPLEX                              
REMARK 900 RELATED ID: 2BQ5   RELATED DB: PDB                                   
REMARK 900 MS2 (N87AE89K MUTANT) - RNA HAIRPIN COMPLEX                          
REMARK 900 RELATED ID: 2BS0   RELATED DB: PDB                                   
REMARK 900 MS2 (N87AE89K MUTANT) - VARIANT QBETA RNA HAIRPIN COMPLEX            
REMARK 900 RELATED ID: 2BS1   RELATED DB: PDB                                   
REMARK 900 MS2 (N87AE89K MUTANT) - QBETA RNA HAIRPIN COMPLEX                    
REMARK 900 RELATED ID: 2BU1   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (5BRU -5) COMPLEX                                    
REMARK 900 RELATED ID: 2C4Q   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (2ONE -5) COMPLEX                                    
REMARK 900 RELATED ID: 2C4Y   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (SU-5) COMPLEX                                       
REMARK 900 RELATED ID: 2C4Z   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (2SU -5-6) COMPLEX                                   
REMARK 900 RELATED ID: 2C50   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (A -5) COMPLEX                                       
REMARK 900 RELATED ID: 2C51   RELATED DB: PDB                                   
REMARK 900 MS2-RNA HAIRPIN (G -5) COMPLEX                                       
REMARK 900 RELATED ID: 2MS2   RELATED DB: PDB                                   
REMARK 900 MS2 VIRUS (BACTERIOPHAGE)                                            
REMARK 900 RELATED ID: 5MSF   RELATED DB: PDB                                   
REMARK 900 F5 APTAMER MS2 COAT PROTEIN COMPLEX                                  
REMARK 900 RELATED ID: 6MSF   RELATED DB: PDB                                   
REMARK 900 F6 APTAMER MS2 COAT PROTEIN COMPLEX                                  
REMARK 900 RELATED ID: 7MSF   RELATED DB: PDB                                   
REMARK 900 F7 APTAMER MS2 COAT PROTEIN COMPLEX                                  
DBREF  2BU1 A    1   129  UNP    P03612   COAT_BPMS2       1    129             
DBREF  2BU1 B    1   129  UNP    P03612   COAT_BPMS2       1    129             
DBREF  2BU1 C    1   129  UNP    P03612   COAT_BPMS2       1    129             
DBREF  2BU1 R    1    19  PDB    2BU1     2BU1             1     19             
DBREF  2BU1 S    1    19  PDB    2BU1     2BU1             1     19             
SEQRES   1 A  129  ALA SER ASN PHE THR GLN PHE VAL LEU VAL ASP ASN GLY          
SEQRES   2 A  129  GLY THR GLY ASP VAL THR VAL ALA PRO SER ASN PHE ALA          
SEQRES   3 A  129  ASN GLY VAL ALA GLU TRP ILE SER SER ASN SER ARG SER          
SEQRES   4 A  129  GLN ALA TYR LYS VAL THR CYS SER VAL ARG GLN SER SER          
SEQRES   5 A  129  ALA GLN ASN ARG LYS TYR THR ILE LYS VAL GLU VAL PRO          
SEQRES   6 A  129  LYS VAL ALA THR GLN THR VAL GLY GLY VAL GLU LEU PRO          
SEQRES   7 A  129  VAL ALA ALA TRP ARG SER TYR LEU ASN MET GLU LEU THR          
SEQRES   8 A  129  ILE PRO ILE PHE ALA THR ASN SER ASP CYS GLU LEU ILE          
SEQRES   9 A  129  VAL LYS ALA MET GLN GLY LEU LEU LYS ASP GLY ASN PRO          
SEQRES  10 A  129  ILE PRO SER ALA ILE ALA ALA ASN SER GLY ILE TYR              
SEQRES   1 B  129  ALA SER ASN PHE THR GLN PHE VAL LEU VAL ASP ASN GLY          
SEQRES   2 B  129  GLY THR GLY ASP VAL THR VAL ALA PRO SER ASN PHE ALA          
SEQRES   3 B  129  ASN GLY VAL ALA GLU TRP ILE SER SER ASN SER ARG SER          
SEQRES   4 B  129  GLN ALA TYR LYS VAL THR CYS SER VAL ARG GLN SER SER          
SEQRES   5 B  129  ALA GLN ASN ARG LYS TYR THR ILE LYS VAL GLU VAL PRO          
SEQRES   6 B  129  LYS VAL ALA THR GLN THR VAL GLY GLY VAL GLU LEU PRO          
SEQRES   7 B  129  VAL ALA ALA TRP ARG SER TYR LEU ASN MET GLU LEU THR          
SEQRES   8 B  129  ILE PRO ILE PHE ALA THR ASN SER ASP CYS GLU LEU ILE          
SEQRES   9 B  129  VAL LYS ALA MET GLN GLY LEU LEU LYS ASP GLY ASN PRO          
SEQRES  10 B  129  ILE PRO SER ALA ILE ALA ALA ASN SER GLY ILE TYR              
SEQRES   1 C  129  ALA SER ASN PHE THR GLN PHE VAL LEU VAL ASP ASN GLY          
SEQRES   2 C  129  GLY THR GLY ASP VAL THR VAL ALA PRO SER ASN PHE ALA          
SEQRES   3 C  129  ASN GLY VAL ALA GLU TRP ILE SER SER ASN SER ARG SER          
SEQRES   4 C  129  GLN ALA TYR LYS VAL THR CYS SER VAL ARG GLN SER SER          
SEQRES   5 C  129  ALA GLN ASN ARG LYS TYR THR ILE LYS VAL GLU VAL PRO          
SEQRES   6 C  129  LYS VAL ALA THR GLN THR VAL GLY GLY VAL GLU LEU PRO          
SEQRES   7 C  129  VAL ALA ALA TRP ARG SER TYR LEU ASN MET GLU LEU THR          
SEQRES   8 C  129  ILE PRO ILE PHE ALA THR ASN SER ASP CYS GLU LEU ILE          
SEQRES   9 C  129  VAL LYS ALA MET GLN GLY LEU LEU LYS ASP GLY ASN PRO          
SEQRES  10 C  129  ILE PRO SER ALA ILE ALA ALA ASN SER GLY ILE TYR              
SEQRES   1 R   19    A   C   A   U   G   A   G   G   A   U 5BU   A   C          
SEQRES   2 R   19    C   C   A   U   G   U                                      
SEQRES   1 S   19    A   C   A   U   G   A   G   G   A   U 5BU   A   C          
SEQRES   2 S   19    C   C   A   U   G   U                                      
MODRES 2BU1 5BU R   11    U  5-BROMO-URIDINE-5'-MONOPHOSPHATE                   
MODRES 2BU1 5BU S   11    U  5-BROMO-URIDINE-5'-MONOPHOSPHATE                   
HET    5BU  R  11      21                                                       
HET    5BU  S  11      21                                                       
HETNAM     5BU 5-BROMO-URIDINE-5'-MONOPHOSPHATE                                 
FORMUL   4  5BU    2(C9 H12 BR N2 O9 P)                                         
FORMUL   6  HOH   *205(H2 O)                                                    
HELIX    1   1 PHE A   25  VAL A   29  5                                   5    
HELIX    2   2 THR A   97  LYS A  113  1                                  17    
HELIX    3   3 ASN A  116  ALA A  124  1                                   9    
HELIX    4   4 PHE B   25  VAL B   29  5                                   5    
HELIX    5   5 PRO B   78  ALA B   81  5                                   4    
HELIX    6   6 THR B   97  LYS B  113  1                                  17    
HELIX    7   7 ASN B  116  ALA B  124  1                                   9    
HELIX    8   8 SER C   37  ALA C   41  5                                   5    
HELIX    9   9 THR C   97  LYS C  113  1                                  17    
HELIX   10  10 ASN C  116  ALA C  124  1                                   9    
SHEET    1  AA12 PHE A   7  VAL A  10  0                                        
SHEET    2  AA12 VAL A  18  ASN A  24 -1  O  VAL A  18   N  LEU A   9           
SHEET    3  AA12 ALA A  30  ILE A  33 -1  O  GLU A  31   N  SER A  23           
SHEET    4  AA12 LYS A  43  ARG A  49 -1  O  VAL A  44   N  TRP A  32           
SHEET    5  AA12 ASN A  55  VAL A  72 -1  O  LYS A  57   N  ARG A  49           
SHEET    6  AA12 VAL A  75  PRO A  93 -1  O  VAL A  75   N  VAL A  72           
SHEET    7  AA12 ARG B  83  PRO B  93 -1  O  TYR B  85   N  THR A  91           
SHEET    8  AA12 ASN B  55  PRO B  65 -1  O  ARG B  56   N  ILE B  92           
SHEET    9  AA12 LYS B  43  ARG B  49 -1  O  LYS B  43   N  GLU B  63           
SHEET   10  AA12 ALA B  30  ILE B  33 -1  O  ALA B  30   N  CYS B  46           
SHEET   11  AA12 VAL B  18  ASN B  24 -1  O  ALA B  21   N  ILE B  33           
SHEET   12  AA12 PHE B   7  VAL B  10 -1  O  PHE B   7   N  VAL B  20           
SHEET    1  CA 6 PHE C   7  VAL C  10  0                                        
SHEET    2  CA 6 VAL C  18  ALA C  26 -1  O  VAL C  18   N  LEU C   9           
SHEET    3  CA 6 VAL C  29  SER C  34 -1  O  VAL C  29   N  ALA C  26           
SHEET    4  CA 6 LYS C  43  GLN C  50 -1  O  VAL C  44   N  TRP C  32           
SHEET    5  CA 6 ASN C  55  VAL C  72 -1  O  LYS C  57   N  ARG C  49           
SHEET    6  CA 6 VAL C  75  PRO C  93 -1  O  VAL C  75   N  VAL C  72           
LINK         O3'   U R  10                 P   5BU R  11     1555   1555  1.61  
LINK         O3' 5BU R  11                 P     A R  12     1555   1555  1.61  
LINK         O3'   U S  10                 P   5BU S  11     1555   1555  1.61  
LINK         O3' 5BU S  11                 P     A S  12     1555   1555  1.61  
CISPEP   1 LEU B   77    PRO B   78          0        -0.77                     
CRYST1  288.000  288.000  653.000  90.00  90.00 120.00 H 3 2       540          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.003472  0.002005  0.000000        0.00000                         
SCALE2      0.000000  0.004009  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.001531        0.00000                         
MTRIX1   1  1.000000  0.000000  0.000000        0.00000    1                    
MTRIX2   1  0.000000  1.000000  0.000000        0.00000    1                    
MTRIX3   1  0.000000  0.000000  1.000000        0.00000    1                    
MTRIX1   2  0.809017  0.110264 -0.577350        0.00000                         
MTRIX2   2  0.467086  0.475684  0.745356        0.00000                         
MTRIX3   2  0.356822 -0.872678  0.333333        0.00000                         
MTRIX1   3  0.500000  0.645497 -0.577350        0.00000                         
MTRIX2   3  0.866025 -0.372678  0.333333        0.00000                         
MTRIX3   3  0.000000 -0.666667 -0.745356        0.00000                         
MTRIX1   4  0.500000  0.866025  0.000000        0.00000                         
MTRIX2   4  0.645497 -0.372678 -0.666667        0.00000                         
MTRIX3   4 -0.577350  0.333333 -0.745356        0.00000                         
MTRIX1   5  0.809017  0.467086  0.356822        0.00000                         
MTRIX2   5  0.110264  0.475684 -0.872678        0.00000                         
MTRIX3   5 -0.577350  0.745356  0.333333        0.00000                         
MTRIX1   6  0.309017  0.755761  0.577350        0.00000                         
MTRIX2   6  0.755761 -0.563661  0.333333        0.00000                         
MTRIX3   6  0.577350  0.333333 -0.745356        0.00000                         
MTRIX1   7  0.809017 -0.110264  0.577350        0.00000                         
MTRIX2   7  0.467086 -0.475684 -0.745356        0.00000                         
MTRIX3   7  0.356822  0.872678 -0.333333        0.00000                         
MTRIX1   8  0.809017 -0.467086 -0.356822        0.00000                         
MTRIX2   8 -0.110264  0.475684 -0.872678        0.00000                         
MTRIX3   8  0.577350  0.745356  0.333333        0.00000                         
MTRIX1   9  0.309017  0.178411 -0.934172        0.00000                         
MTRIX2   9 -0.178411  0.975684  0.127322        0.00000                         
MTRIX3   9  0.934172  0.127322  0.333333        0.00000                         
MTRIX1  10  0.000000  0.934172 -0.356822        0.00000                         
MTRIX2  10  0.356822  0.333333  0.872678        0.00000                         
MTRIX3  10  0.934172 -0.127322 -0.333333        0.00000