PDB Short entry for 3AHU
HEADER    TRANSLATION/RNA                         29-APR-10   3AHU              
TITLE     CRYSTAL STRUCTURE OF YMAH (HFQ) FROM BACILLUS SUBTILIS IN COMPLEX WITH
TITLE    2 AN RNA APTAMER.                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN HFQ;                                               
COMPND   3 CHAIN: A, B, C;                                                      
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: 5'-R(*AP*GP*AP*GP*AP*G)-3';                                
COMPND   7 CHAIN: X;                                                            
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS;                              
SOURCE   3 ORGANISM_TAXID: 1423;                                                
SOURCE   4 STRAIN: 168;                                                         
SOURCE   5 GENE: BSU17340, HFQ, YMAH;                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PGEX-6P-1;                                
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 SYNTHETIC: YES                                                       
KEYWDS    SM-LIKE MOTIF, PROTEIN-RNA COMPLEX, TRANSLATION-RNA COMPLEX           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.BABA,T.SOMEYA,T.KUMASAKA,G.KAWAI,K.NAKAMURA                         
REVDAT   2   01-NOV-23 3AHU    1       SEQADV                                   
REVDAT   1   13-JUL-11 3AHU    0                                                
JRNL        AUTH   T.SOMEYA,S.BABA,M.FUJIMOTO,T.KUMASAKA,G.KAWAI,K.NAKAMURA     
JRNL        TITL   CRYSTAL STRUCTURE OF YMAH (HFQ) FROM BACILLUS SUBTILIS IN    
JRNL        TITL 2 COMPLEX WITH AN RNA APTAMER.                                 
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.BABA,T.SOMEYA,G.KAWAI,K.NAKAMURA,T.KUMASAKA                
REMARK   1  TITL   EXPRESSION, CRYSTALLIZATION AND PRELIMINARY CRYSTALLOGRAPHIC 
REMARK   1  TITL 2 ANALYSIS OF RNA-BINDING PROTEIN HFQ (YMAH) FROM BACILLUS     
REMARK   1  TITL 3 SUBTILIS IN COMPLEX WITH AN RNA APTAMER.                     
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.F      V.  66   563 2010              
REMARK   1  REFN                   ESSN 1744-3091                               
REMARK   1  PMID   20445260                                                     
REMARK   1  DOI    10.1107/S1744309110009942                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.2                                              
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 : MAXIMUM LIKELIHOOD                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
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)   (%) : 95.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 12044                          
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) : 0.259                           
REMARK   3   FREE R VALUE                     : 0.260                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1225                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1629                                    
REMARK   3   NUCLEIC ACID ATOMS       : 132                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 25                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
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 : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3AHU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-MAY-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000029272.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-OCT-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL38B1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0000                             
REMARK 200  MONOCHROMATOR                  : FIXED EXIT SI 111 DOUBLE CRYSTAL   
REMARK 200                                   MONOCHROMATOR                      
REMARK 200  OPTICS                         : TOROIDAL MIRROR                    
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU JUPITER 210                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 12626                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 7.400                              
REMARK 200  R MERGE                    (I) : 0.03300                            
REMARK 200  R SYM                      (I) : 0.02900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 45.7500                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.28                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.30700                            
REMARK 200  R SYM FOR SHELL            (I) : 0.24800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.840                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 1KQ2                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.03                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.01M COBALT (II) CHLORIDE, 0.2M MES,    
REMARK 280  1.8M AMMONIUM SULFATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP,       
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: F 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X,Y+1/2,Z+1/2                                           
REMARK 290       6555   -X,-Y+1/2,Z+1/2                                         
REMARK 290       7555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       8555   X,-Y+1/2,-Z+1/2                                         
REMARK 290       9555   X+1/2,Y,Z+1/2                                           
REMARK 290      10555   -X+1/2,-Y,Z+1/2                                         
REMARK 290      11555   -X+1/2,Y,-Z+1/2                                         
REMARK 290      12555   X+1/2,-Y,-Z+1/2                                         
REMARK 290      13555   X+1/2,Y+1/2,Z                                           
REMARK 290      14555   -X+1/2,-Y+1/2,Z                                         
REMARK 290      15555   -X+1/2,Y+1/2,-Z                                         
REMARK 290      16555   X+1/2,-Y+1/2,-Z                                         
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 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       46.25200            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       57.45900            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       46.25200            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       57.45900            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       46.25200            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       57.45900            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       46.25200            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       57.45900            
REMARK 290   SMTRY1   9  1.000000  0.000000  0.000000       45.96050            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       57.45900            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000       45.96050            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000       57.45900            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000       45.96050            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       57.45900            
REMARK 290   SMTRY1  12  1.000000  0.000000  0.000000       45.96050            
REMARK 290   SMTRY2  12  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       57.45900            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000       45.96050            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       46.25200            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  14 -1.000000  0.000000  0.000000       45.96050            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       46.25200            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  15 -1.000000  0.000000  0.000000       45.96050            
REMARK 290   SMTRY2  15  0.000000  1.000000  0.000000       46.25200            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  16  1.000000  0.000000  0.000000       45.96050            
REMARK 290   SMTRY2  16  0.000000 -1.000000  0.000000       46.25200            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000        0.00000            
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 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 AUTHOR DETERMINED BIOLOGICAL UNIT: HEPTAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
REMARK 350   BIOMT1   1 -1.000000  0.000000  0.000000      -91.92100            
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 APPLY THE FOLLOWING TO CHAINS: A, B, C, X                            
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
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     GLY A    -4                                                      
REMARK 465     PRO A    -3                                                      
REMARK 465     LEU A    -2                                                      
REMARK 465     GLY A    -1                                                      
REMARK 465     SER A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     PRO A     3                                                      
REMARK 465     ILE A     4                                                      
REMARK 465     GLU A    71                                                      
REMARK 465     LEU A    72                                                      
REMARK 465     GLU A    73                                                      
REMARK 465     GLY B    -4                                                      
REMARK 465     PRO B    -3                                                      
REMARK 465     LEU B    -2                                                      
REMARK 465     GLY B    -1                                                      
REMARK 465     SER B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     LYS B     2                                                      
REMARK 465     PRO B     3                                                      
REMARK 465     ILE B     4                                                      
REMARK 465     GLU B    71                                                      
REMARK 465     LEU B    72                                                      
REMARK 465     GLU B    73                                                      
REMARK 465     GLY C    -4                                                      
REMARK 465     PRO C    -3                                                      
REMARK 465     LEU C    -2                                                      
REMARK 465     GLY C    -1                                                      
REMARK 465     SER C     0                                                      
REMARK 465     MET C     1                                                      
REMARK 465     LYS C     2                                                      
REMARK 465     PRO C     3                                                      
REMARK 465     ILE C     4                                                      
REMARK 465     GLU C    71                                                      
REMARK 465     LEU C    72                                                      
REMARK 465     GLU C    73                                                      
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      A X   1   N3      A X   1   C4      0.047                       
REMARK 500      A X   1   N9      A X   1   C4      0.043                       
REMARK 500      G X   2   O5'     G X   2   C5'    -0.079                       
REMARK 500      A X   3   N3      A X   3   C4      0.036                       
REMARK 500      G X   4   N3      G X   4   C4      0.064                       
REMARK 500      G X   4   C6      G X   4   N1      0.044                       
REMARK 500      G X   6   C6      G X   6   N1      0.046                       
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      A X   1   C1' -  O4' -  C4' ANGL. DEV. =  -4.5 DEGREES          
REMARK 500      A X   1   C3' -  C2' -  C1' ANGL. DEV. =  -4.2 DEGREES          
REMARK 500      A X   1   N1  -  C2  -  N3  ANGL. DEV. =  -3.5 DEGREES          
REMARK 500      A X   1   C2  -  N3  -  C4  ANGL. DEV. =   3.9 DEGREES          
REMARK 500      A X   1   C8  -  N9  -  C4  ANGL. DEV. =   3.3 DEGREES          
REMARK 500      A X   1   N9  -  C4  -  C5  ANGL. DEV. =  -2.7 DEGREES          
REMARK 500      A X   1   C5  -  C6  -  N6  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500      G X   2   O5' -  C5' -  C4' ANGL. DEV. =  -8.8 DEGREES          
REMARK 500      G X   2   C5' -  C4' -  O4' ANGL. DEV. = -10.6 DEGREES          
REMARK 500      G X   2   C6  -  C5  -  N7  ANGL. DEV. =   3.8 DEGREES          
REMARK 500      A X   3   O5' -  P   -  OP1 ANGL. DEV. =  -8.3 DEGREES          
REMARK 500      A X   3   O4' -  C1' -  N9  ANGL. DEV. =   9.2 DEGREES          
REMARK 500      A X   3   C5  -  N7  -  C8  ANGL. DEV. =  -3.5 DEGREES          
REMARK 500      A X   3   N1  -  C6  -  N6  ANGL. DEV. =   5.2 DEGREES          
REMARK 500      G X   4   OP1 -  P   -  OP2 ANGL. DEV. =  13.4 DEGREES          
REMARK 500      G X   4   O5' -  P   -  OP1 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500      G X   4   O5' -  C5' -  C4' ANGL. DEV. =  -5.4 DEGREES          
REMARK 500      G X   4   C4' -  C3' -  C2' ANGL. DEV. =  -7.2 DEGREES          
REMARK 500      G X   4   C3' -  C2' -  C1' ANGL. DEV. =  -7.0 DEGREES          
REMARK 500      G X   4   C2  -  N3  -  C4  ANGL. DEV. =   5.0 DEGREES          
REMARK 500      G X   4   N3  -  C4  -  C5  ANGL. DEV. =  -3.7 DEGREES          
REMARK 500      G X   4   C5  -  C6  -  N1  ANGL. DEV. =   4.8 DEGREES          
REMARK 500      G X   4   C5  -  N7  -  C8  ANGL. DEV. =   5.6 DEGREES          
REMARK 500      G X   4   N7  -  C8  -  N9  ANGL. DEV. =  -7.1 DEGREES          
REMARK 500      G X   4   C8  -  N9  -  C4  ANGL. DEV. =   4.4 DEGREES          
REMARK 500      G X   4   N3  -  C4  -  N9  ANGL. DEV. =   5.4 DEGREES          
REMARK 500      G X   4   C5  -  C6  -  O6  ANGL. DEV. =  -4.6 DEGREES          
REMARK 500      A X   5   O3' -  P   -  O5' ANGL. DEV. =  15.2 DEGREES          
REMARK 500      A X   5   OP1 -  P   -  OP2 ANGL. DEV. =  12.0 DEGREES          
REMARK 500      A X   5   O5' -  P   -  OP1 ANGL. DEV. =  -5.9 DEGREES          
REMARK 500      A X   5   C3' -  C2' -  C1' ANGL. DEV. =  -5.7 DEGREES          
REMARK 500      A X   5   O4' -  C1' -  N9  ANGL. DEV. =  -7.0 DEGREES          
REMARK 500      G X   6   C5' -  C4' -  O4' ANGL. DEV. =   7.3 DEGREES          
REMARK 500      G X   6   C1' -  O4' -  C4' ANGL. DEV. =  -5.8 DEGREES          
REMARK 500      G X   6   O4' -  C1' -  N9  ANGL. DEV. =   5.6 DEGREES          
REMARK 500      G X   6   N1  -  C2  -  N3  ANGL. DEV. =  -4.7 DEGREES          
REMARK 500      G X   6   C2  -  N3  -  C4  ANGL. DEV. =   3.2 DEGREES          
REMARK 500      G X   6   N1  -  C2  -  N2  ANGL. DEV. =   8.6 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    LYS A  16      -70.04    -56.72                                   
REMARK 500    GLU A  17      -18.22    -47.25                                   
REMARK 500    GLU A  48       76.16     70.59                                   
REMARK 500    ASN A  67      160.27    -46.20                                   
REMARK 500    GLN B   9      -71.67    -56.73                                   
REMARK 500    ASP B  39     -159.04   -123.74                                   
REMARK 500    GLU B  46       98.55    -67.46                                   
REMARK 500    GLU B  48       71.64     45.22                                   
REMARK 500    ASN C  18       37.82     38.82                                   
REMARK 500    GLU C  48       72.51     30.65                                   
REMARK 500    SER C  60      -60.78    -96.40                                   
REMARK 500    GLN C  65      -80.25    -74.40                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  3AHU A    1    73  UNP    O31796   HFQ_BACSU        1     73             
DBREF  3AHU B    1    73  UNP    O31796   HFQ_BACSU        1     73             
DBREF  3AHU C    1    73  UNP    O31796   HFQ_BACSU        1     73             
DBREF  3AHU X    1     6  PDB    3AHU     3AHU             1      6             
SEQADV 3AHU GLY A   -4  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU PRO A   -3  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU LEU A   -2  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU GLY A   -1  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU SER A    0  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU GLY B   -4  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU PRO B   -3  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU LEU B   -2  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU GLY B   -1  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU SER B    0  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU GLY C   -4  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU PRO C   -3  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU LEU C   -2  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU GLY C   -1  UNP  O31796              EXPRESSION TAG                 
SEQADV 3AHU SER C    0  UNP  O31796              EXPRESSION TAG                 
SEQRES   1 A   78  GLY PRO LEU GLY SER MET LYS PRO ILE ASN ILE GLN ASP          
SEQRES   2 A   78  GLN PHE LEU ASN GLN ILE ARG LYS GLU ASN THR TYR VAL          
SEQRES   3 A   78  THR VAL PHE LEU LEU ASN GLY PHE GLN LEU ARG GLY GLN          
SEQRES   4 A   78  VAL LYS GLY PHE ASP ASN PHE THR VAL LEU LEU GLU SER          
SEQRES   5 A   78  GLU GLY LYS GLN GLN LEU ILE TYR LYS HIS ALA ILE SER          
SEQRES   6 A   78  THR PHE ALA PRO GLN LYS ASN VAL GLN LEU GLU LEU GLU          
SEQRES   1 B   78  GLY PRO LEU GLY SER MET LYS PRO ILE ASN ILE GLN ASP          
SEQRES   2 B   78  GLN PHE LEU ASN GLN ILE ARG LYS GLU ASN THR TYR VAL          
SEQRES   3 B   78  THR VAL PHE LEU LEU ASN GLY PHE GLN LEU ARG GLY GLN          
SEQRES   4 B   78  VAL LYS GLY PHE ASP ASN PHE THR VAL LEU LEU GLU SER          
SEQRES   5 B   78  GLU GLY LYS GLN GLN LEU ILE TYR LYS HIS ALA ILE SER          
SEQRES   6 B   78  THR PHE ALA PRO GLN LYS ASN VAL GLN LEU GLU LEU GLU          
SEQRES   1 C   78  GLY PRO LEU GLY SER MET LYS PRO ILE ASN ILE GLN ASP          
SEQRES   2 C   78  GLN PHE LEU ASN GLN ILE ARG LYS GLU ASN THR TYR VAL          
SEQRES   3 C   78  THR VAL PHE LEU LEU ASN GLY PHE GLN LEU ARG GLY GLN          
SEQRES   4 C   78  VAL LYS GLY PHE ASP ASN PHE THR VAL LEU LEU GLU SER          
SEQRES   5 C   78  GLU GLY LYS GLN GLN LEU ILE TYR LYS HIS ALA ILE SER          
SEQRES   6 C   78  THR PHE ALA PRO GLN LYS ASN VAL GLN LEU GLU LEU GLU          
SEQRES   1 X    6    A   G   A   G   A   G                                      
FORMUL   5  HOH   *25(H2 O)                                                     
HELIX    1   1 ASN A    5  ASN A   18  1                                  14    
HELIX    2   2 ASN B    5  GLU B   17  1                                  13    
HELIX    3   3 ASN C    5  GLU C   17  1                                  13    
SHEET    1   A15 ILE A  59  PRO A  64  0                                        
SHEET    2   A15 VAL A  21  LEU A  25 -1  N  THR A  22   O  ALA A  63           
SHEET    3   A15 GLN A  30  PHE A  38 -1  O  LEU A  31   N  VAL A  23           
SHEET    4   A15 THR A  42  GLU A  46 -1  O  GLU A  46   N  GLN A  34           
SHEET    5   A15 GLN A  51  TYR A  55 -1  O  GLN A  52   N  LEU A  45           
SHEET    6   A15 ILE B  59  PRO B  64 -1  O  SER B  60   N  TYR A  55           
SHEET    7   A15 VAL B  21  LEU B  25 -1  N  PHE B  24   O  THR B  61           
SHEET    8   A15 GLN B  30  PHE B  38 -1  O  GLY B  33   N  VAL B  21           
SHEET    9   A15 THR B  42  SER B  47 -1  O  GLU B  46   N  GLN B  34           
SHEET   10   A15 LYS B  50  TYR B  55 -1  O  ILE B  54   N  VAL B  43           
SHEET   11   A15 ILE C  59  PRO C  64 -1  O  SER C  60   N  TYR B  55           
SHEET   12   A15 VAL C  21  LEU C  25 -1  N  THR C  22   O  ALA C  63           
SHEET   13   A15 GLN C  30  PHE C  38 -1  O  GLY C  33   N  VAL C  21           
SHEET   14   A15 THR C  42  SER C  47 -1  O  GLU C  46   N  GLN C  34           
SHEET   15   A15 LYS C  50  TYR C  55 -1  O  LYS C  50   N  SER C  47           
CRYST1   91.921   92.504  114.918  90.00  90.00  90.00 F 2 2 2      48          
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      0.010879  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010810  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008702        0.00000