PDB Short entry for 3VRS
HEADER    RNA                                     13-APR-12   3VRS              
TITLE     CRYSTAL STRUCTURE OF FLUORIDE RIBOSWITCH, SOAKED IN MN2+              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FLUORIDE RIBOSWITCH;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 ORGANISM_SCIENTIFIC: THERMOTOGA PETROPHILA;                          
SOURCE   4 ORGANISM_TAXID: 93929;                                               
SOURCE   5 OTHER_DETAILS: RNA WAS PREPARED BY IN VITRO TRANSCRIPTION WITH T7    
SOURCE   6 RNA POLYMERASE.                                                      
KEYWDS    PSEUDOKNOT, RNA                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.M.REN,K.R.RAJASHANKAR,D.J.PATEL                                     
REVDAT   4   13-SEP-23 3VRS    1       REMARK LINK                              
REVDAT   3   13-FEB-13 3VRS    1       AUTHOR                                   
REVDAT   2   20-JUN-12 3VRS    1       JRNL                                     
REVDAT   1   09-MAY-12 3VRS    0                                                
JRNL        AUTH   A.REN,K.R.RAJASHANKAR,D.J.PATEL                              
JRNL        TITL   FLUORIDE ION ENCAPSULATION BY MG2+ IONS AND PHOSPHATES IN A  
JRNL        TITL 2 FLUORIDE RIBOSWITCH.                                         
JRNL        REF    NATURE                        V. 486    85 2012              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   22678284                                                     
JRNL        DOI    10.1038/NATURE11152                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.7.3_928)                    
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.78                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.360                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 6020                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.224                           
REMARK   3   R VALUE            (WORKING SET) : 0.220                           
REMARK   3   FREE R VALUE                     : 0.262                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.150                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 275                             
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 19.7791 -  5.1777    0.93     1173   125  0.1676 0.2144        
REMARK   3     2  5.1777 -  4.1219    0.94     1177   136  0.1645 0.1893        
REMARK   3     3  4.1219 -  3.6044    0.94     1170   142  0.2157 0.2876        
REMARK   3     4  3.6044 -  3.2765    0.92     1146   131  0.2381 0.2493        
REMARK   3     5  3.2765 -  3.0426    0.93     1168   133  0.2383 0.2856        
REMARK   3     6  3.0426 -  2.8637    0.93     1171   126  0.3497 0.4146        
REMARK   3     7  2.8637 -  2.7207    0.91     1152   133  0.4632 0.5095        
REMARK   3     8  2.7207 -  2.6030    0.92     1152   126  0.5081 0.5446        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.35                                          
REMARK   3   B_SOL              : 44.11                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.600            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 29.480           
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) : 4.92290                                              
REMARK   3    B22 (A**2) : -9.67410                                             
REMARK   3    B33 (A**2) : 4.75120                                              
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.028           1272                                  
REMARK   3   ANGLE     :  0.884           1994                                  
REMARK   3   CHIRALITY :  0.062            259                                  
REMARK   3   PLANARITY :  0.009             52                                  
REMARK   3   DIHEDRAL  : 13.398            619                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3VRS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-APR-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000095420.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 24-ID-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.7712                             
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL SI(111)             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 6020                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : 3.400                              
REMARK 200  R MERGE                    (I) : 0.08100                            
REMARK 200  R SYM                      (I) : 0.07400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
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: PHENIX                                                
REMARK 200 STARTING MODEL: PDB ENTRY 4ENB                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.09                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM CACODYLATE, PH 7.0, 20 MM   
REMARK 280  SPERMINE, 160 MM POTASSIUM CHLORIDE, 50 MM MANGANESE CHLORIDE,      
REMARK 280  20% MPD, VAPOR DIFFUSION, TEMPERATURE 293K                          
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 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+1/2,Y+1/2,-Z                                         
REMARK 290       4555   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       28.92300            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       38.60150            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       28.92300            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       38.60150            
REMARK 290   SMTRY3   4  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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470       G A   1    O5'                                                 
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   211     O    HOH A   217              1.98            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MN A 104  MN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   2   N7                                                     
REMARK 620 2 HOH A 215   O    67.4                                              
REMARK 620 3 HOH A 218   O   125.1 131.5                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 110   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   5   OP1                                                    
REMARK 620 2   A A   6   OP1  76.7                                              
REMARK 620 3   A A   6   O3' 133.0  75.0                                        
REMARK 620 4   U A   7   OP1 154.0  80.1  48.7                                  
REMARK 620 5 HOH A 211   O    95.2  65.3 105.9  64.2                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MN A 101  MN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A A   6   OP2                                                    
REMARK 620 2   U A   7   OP2  90.6                                              
REMARK 620 3   U A  41   OP1 164.5  85.4                                        
REMARK 620 4   G A  42   OP2  89.8 175.5  93.1                                  
REMARK 620 5   F A 111   F    99.9  98.0  95.5  86.3                            
REMARK 620 6 HOH A 204   O    74.6  85.8  90.1  90.0 173.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MN A 102  MN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A A   6   OP1                                                    
REMARK 620 2   G A  42   OP1  86.5                                              
REMARK 620 3   F A 111   F   101.2  84.4                                        
REMARK 620 4 HOH A 202   O    88.1  93.1 170.1                                  
REMARK 620 5 HOH A 211   O    92.1 170.0  86.2  96.7                            
REMARK 620 6 HOH A 213   O   166.1 104.3  88.8  82.6  78.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MN A 103  MN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   U A   7   OP1                                                    
REMARK 620 2   G A   8   OP2 100.0                                              
REMARK 620 3   F A 111   F    96.1 160.5                                        
REMARK 620 4 HOH A 201   O    88.9  84.3  85.1                                  
REMARK 620 5 HOH A 203   O   173.2  82.3  82.9  97.8                            
REMARK 620 6 HOH A 211   O    84.5 107.9  84.4 166.9  88.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MN A 105  MN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A A  40   OP2                                                    
REMARK 620 2 HOH A 205   O   169.3                                              
REMARK 620 3 HOH A 206   O    84.7  87.4                                        
REMARK 620 4 HOH A 209   O    86.0  84.9  73.7                                  
REMARK 620 5 HOH A 210   O    95.0  90.8  80.4 153.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 101                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 102                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 103                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 104                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 105                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 106                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 107                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 108                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 109                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 110                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE F A 111                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4EN5   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4ENA   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4ENB   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4ENC   RELATED DB: PDB                                   
DBREF  3VRS A    1    52  PDB    3VRS     3VRS             1     52             
SEQRES   1 A   52    G   G   G   C   G   A   U   G   A   G   G   C   C          
SEQRES   2 A   52    C   G   C   C   C   A   A   A   C   U   G   C   C          
SEQRES   3 A   52    C   U   G   A   A   A   A   G   G   G   C   U   G          
SEQRES   4 A   52    A   U   G   G   C   C   U   C   U   A   C   U   G          
HET     MN  A 101       1                                                       
HET     MN  A 102       1                                                       
HET     MN  A 103       1                                                       
HET     MN  A 104       1                                                       
HET     MN  A 105       1                                                       
HET     MN  A 106       1                                                       
HET     MN  A 107       1                                                       
HET     MN  A 108       1                                                       
HET     MN  A 109       1                                                       
HET      K  A 110       1                                                       
HET      F  A 111       1                                                       
HETNAM      MN MANGANESE (II) ION                                               
HETNAM       K POTASSIUM ION                                                    
HETNAM       F FLUORIDE ION                                                     
FORMUL   2   MN    9(MN 2+)                                                     
FORMUL  11    K    K 1+                                                         
FORMUL  12    F    F 1-                                                         
FORMUL  13  HOH   *19(H2 O)                                                     
LINK         N7    G A   2                MN    MN A 104     1555   1555  2.39  
LINK         OP1   G A   5                 K     K A 110     1555   1555  2.61  
LINK         OP2   A A   6                MN    MN A 101     1555   1555  2.06  
LINK         OP1   A A   6                MN    MN A 102     1555   1555  2.09  
LINK         OP1   A A   6                 K     K A 110     1555   1555  3.11  
LINK         O3'   A A   6                 K     K A 110     1555   1555  3.23  
LINK         OP2   U A   7                MN    MN A 101     1555   1555  1.94  
LINK         OP1   U A   7                MN    MN A 103     1555   1555  2.02  
LINK         OP1   U A   7                 K     K A 110     1555   1555  2.66  
LINK         OP2   G A   8                MN    MN A 103     1555   1555  1.95  
LINK         N7    G A  24                MN    MN A 106     1555   1555  2.66  
LINK         OP2   G A  29                MN    MN A 109     1555   1555  2.71  
LINK         N7    G A  35                MN    MN A 107     1555   1555  2.58  
LINK         OP2   A A  40                MN    MN A 105     1555   1555  2.07  
LINK         OP1   U A  41                MN    MN A 101     1555   1555  2.11  
LINK         OP2   G A  42                MN    MN A 101     1555   1555  2.17  
LINK         OP1   G A  42                MN    MN A 102     1555   1555  2.19  
LINK        MN    MN A 101                 F     F A 111     1555   1555  2.17  
LINK        MN    MN A 101                 O   HOH A 204     1555   1555  2.21  
LINK        MN    MN A 102                 F     F A 111     1555   1555  2.13  
LINK        MN    MN A 102                 O   HOH A 202     1555   1555  2.17  
LINK        MN    MN A 102                 O   HOH A 211     1555   1555  2.32  
LINK        MN    MN A 102                 O   HOH A 213     1555   1555  2.16  
LINK        MN    MN A 103                 F     F A 111     1555   1555  2.26  
LINK        MN    MN A 103                 O   HOH A 201     1555   1555  2.20  
LINK        MN    MN A 103                 O   HOH A 203     1555   1555  2.22  
LINK        MN    MN A 103                 O   HOH A 211     1555   1555  2.27  
LINK        MN    MN A 104                 O   HOH A 215     1555   1555  2.26  
LINK        MN    MN A 104                 O   HOH A 218     1555   1555  2.30  
LINK        MN    MN A 105                 O   HOH A 205     1555   1555  2.26  
LINK        MN    MN A 105                 O   HOH A 206     1555   1555  2.27  
LINK        MN    MN A 105                 O   HOH A 209     1555   1555  2.24  
LINK        MN    MN A 105                 O   HOH A 210     1555   1555  2.21  
LINK         K     K A 110                 O   HOH A 211     1555   1555  2.77  
SITE     1 AC1  7   A A   6    U A   7    U A  41    G A  42                    
SITE     2 AC1  7  MN A 102    F A 111  HOH A 204                               
SITE     1 AC2  8   A A   6    G A  42   MN A 101   MN A 103                    
SITE     2 AC2  8   F A 111  HOH A 202  HOH A 211  HOH A 213                    
SITE     1 AC3  7   U A   7    G A   8   MN A 102    F A 111                    
SITE     2 AC3  7 HOH A 201  HOH A 203  HOH A 211                               
SITE     1 AC4  3   G A   2  HOH A 215  HOH A 218                               
SITE     1 AC5  5   A A  40  HOH A 205  HOH A 206  HOH A 209                    
SITE     2 AC5  5 HOH A 210                                                     
SITE     1 AC6  1   G A  24                                                     
SITE     1 AC7  1   G A  35                                                     
SITE     1 AC8  1   G A  29                                                     
SITE     1 AC9  2   G A  29    A A  30                                          
SITE     1 BC1  4   G A   5    A A   6    U A   7  HOH A 211                    
SITE     1 BC2 11   A A   6    U A   7    U A  41    G A  42                    
SITE     2 BC2 11  MN A 101   MN A 102   MN A 103  HOH A 201                    
SITE     3 BC2 11 HOH A 203  HOH A 211  HOH A 213                               
CRYST1   57.846   77.203   42.094  90.00  90.00  90.00 P 21 21 2     4          
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      0.017287  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012953  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.023756        0.00000