PDB Short entry for 7MHG
HEADER    HYDROLASE                               15-APR-21   7MHG              
TITLE     CRYSTAL STRUCTURE OF SARS-COV-2 MAIN PROTEASE (MPRO) AT 240 K         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 3C-LIKE PROTEINASE;                                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: 3CL-PRO,3CLP,MAIN PROTEASE,MPRO,NON-STRUCTURAL PROTEIN 5,   
COMPND   5 NSP5,SARS CORONAVIRUS MAIN PROTEINASE;                               
COMPND   6 EC: 3.4.22.69;                                                       
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS   
SOURCE   3 2;                                                                   
SOURCE   4 ORGANISM_TAXID: 2697049;                                             
SOURCE   5 GENE: REP, 1A-1B;                                                    
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET29B                                    
KEYWDS    SARS-COV-2, CORONAVIRUS, MAIN PROTEASE, 3CLPRO, MPRO, 240 K,          
KEYWDS   2 HYDROLASE, TEMPERATURE, TEMPERATURE SERIES, MULTITEMPERATURE,        
KEYWDS   3 MULTICONFORMER                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.EBRAHIM,B.T.RILEY,D.KUMARAN,B.ANDI,M.R.FUCHS,S.MCSWEENEY,D.A.KEEDY  
REVDAT   7   25-OCT-23 7MHG    1       REMARK                                   
REVDAT   6   08-MAR-23 7MHG    1       JRNL                                     
REVDAT   5   14-SEP-22 7MHG    1       JRNL                                     
REVDAT   4   07-SEP-22 7MHG    1       JRNL                                     
REVDAT   3   06-APR-22 7MHG    1       TITLE  COMPND SOURCE KEYWDS              
REVDAT   3 2                   1       JRNL   REMARK HET    HETNAM              
REVDAT   3 3                   1       FORMUL SHEET  LINK   SITE                
REVDAT   3 4                   1       CRYST1 SCALE  ATOM                       
REVDAT   2   26-MAY-21 7MHG    1       JRNL                                     
REVDAT   1   12-MAY-21 7MHG    0                                                
JRNL        AUTH   A.EBRAHIM,B.T.RILEY,D.KUMARAN,B.ANDI,M.R.FUCHS,S.MCSWEENEY,  
JRNL        AUTH 2 D.A.KEEDY                                                    
JRNL        TITL   THE TEM-PER-ATURE-DEPENDENT CONFORMATIONAL ENSEMBLE OF       
JRNL        TITL 2 SARS-COV-2 MAIN PROTEASE (M PRO ).                           
JRNL        REF    IUCRJ                         V.   9   682 2022              
JRNL        REFN                   ESSN 2052-2525                               
JRNL        PMID   36071812                                                     
JRNL        DOI    10.1107/S2052252522007497                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   A.EBRAHIM,B.T.RILEY,D.KUMARAN,B.ANDI,M.R.FUCHS,S.MCSWEENEY,  
REMARK   1  AUTH 2 D.A.KEEDY                                                    
REMARK   1  TITL   THE TEMPERATURE-DEPENDENT CONFORMATIONAL ENSEMBLE OF         
REMARK   1  TITL 2 SARS-COV-2 MAIN PROTEASE (M PRO ).                           
REMARK   1  REF    BIORXIV                                    2021              
REMARK   1  REFN                   ISSN 2692-8205                               
REMARK   1  PMID   33972941                                                     
REMARK   1  DOI    10.1101/2021.05.03.437411                                    
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   A.EBRAHIM,B.T.RILEY,D.KUMARAN,B.ANDI,M.R.FUCHS,S.MCSWEENEY,  
REMARK   1  AUTH 2 D.A.KEEDY                                                    
REMARK   1  TITL   THE TEMPERATURE-DEPENDENT CONFORMATIONAL ENSEMBLE OF         
REMARK   1  TITL 2 SARS-COV-2 MAIN PROTEASE (MPRO)                              
REMARK   1  REF    IUCRJ                         V.   9       2022              
REMARK   1  REFN                   ESSN 2052-2525                               
REMARK   1  DOI    10.1107/S2052252522007497                                    
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   A.EBRAHIM,B.T.RILEY,D.KUMARAN,B.ANDI,M.R.FUCHS,S.MCSWEENEY,  
REMARK   1  AUTH 2 D.A.KEEDY                                                    
REMARK   1  TITL   THE TEMPERATURE-DEPENDENT CONFORMATIONAL ENSEMBLE OF         
REMARK   1  TITL 2 SARS-COV-2 MAIN PROTEASE (M PRO ).                           
REMARK   1  REF    BIORXIV                                    2021              
REMARK   1  REFN                   ISSN 2692-8205                               
REMARK   1  PMID   33972941                                                     
REMARK   1  DOI    10.1101/2021.05.03.437411                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.53 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.19.2_4158                                   
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 : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.53                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 48.20                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 39931                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.171                           
REMARK   3   R VALUE            (WORKING SET) : 0.169                           
REMARK   3   FREE R VALUE                     : 0.205                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
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 48.2000 -  3.6900    1.00     2772   169  0.1319 0.1566        
REMARK   3     2  3.6900 -  2.9300    1.00     2749   136  0.1376 0.1699        
REMARK   3     3  2.9300 -  2.5600    1.00     2715   153  0.1578 0.1967        
REMARK   3     4  2.5600 -  2.3200    1.00     2692   152  0.1534 0.2089        
REMARK   3     5  2.3200 -  2.1600    1.00     2748   131  0.1525 0.1991        
REMARK   3     6  2.1600 -  2.0300    1.00     2719   126  0.1749 0.1954        
REMARK   3     7  2.0300 -  1.9300    1.00     2714   128  0.1825 0.2347        
REMARK   3     8  1.9300 -  1.8400    1.00     2690   139  0.2066 0.2675        
REMARK   3     9  1.8400 -  1.7700    1.00     2703   154  0.2400 0.2914        
REMARK   3    10  1.7700 -  1.7100    1.00     2690   140  0.2702 0.3122        
REMARK   3    11  1.7100 -  1.6600    1.00     2648   156  0.2756 0.3444        
REMARK   3    12  1.6600 -  1.6100    1.00     2707   133  0.2819 0.2752        
REMARK   3    13  1.6100 -  1.5700    1.00     2707   146  0.2904 0.3678        
REMARK   3    14  1.5700 -  1.5302    0.99     2672   142  0.3051 0.3193        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : NULL             
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
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  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      :   NULL           NULL                                  
REMARK   3   ANGLE     :   NULL           NULL                                  
REMARK   3   CHIRALITY :   NULL           NULL                                  
REMARK   3   PLANARITY :   NULL           NULL                                  
REMARK   3   DIHEDRAL  :   NULL           NULL                                  
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 7MHG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-APR-21.                  
REMARK 100 THE DEPOSITION ID IS D_1000256206.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-JUN-20                          
REMARK 200  TEMPERATURE           (KELVIN) : 240                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS-II                            
REMARK 200  BEAMLINE                       : 17-ID-2                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9793                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS EIGER X 16M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XIA2 0.7.32-G2F242514-DIALS-3.0    
REMARK 200  DATA SCALING SOFTWARE          : DIALS 3.0.0-GB83E1FCE8             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 39975                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.530                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 55.622                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 6.591                              
REMARK 200  R MERGE                    (I) : 0.18010                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.8732                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.53                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.56                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.17                               
REMARK 200  R MERGE FOR SHELL          (I) : 1.46260                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 0.853                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER 1.18.2_3874                                    
REMARK 200 STARTING MODEL: 6YB7                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 36.80                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.95                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 22% PEG4000, 100 MM HEPES, PH 7.0, 3     
REMARK 280  -5% DMSO, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
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       57.09400            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       26.74300            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       57.09400            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       26.74300            
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: DIMERIC                           
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 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 720  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 760  LIES ON A SPECIAL POSITION.                          
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  HH11  ARG A   217     O    HOH A   501              1.44            
REMARK 500   HE2  HIS A    41    ZN     ZN A   408              1.55            
REMARK 500   O    HOH A   519     O    HOH A   688              1.99            
REMARK 500   O    HOH A   733     O    HOH A   773              2.03            
REMARK 500   O    HOH A   687     O    HOH A   749              2.16            
REMARK 500   O    HOH A   503     O    HOH A   710              2.16            
REMARK 500   O    HOH A   636     O    HOH A   735              2.16            
REMARK 500   O    HOH A   646     O    HOH A   725              2.17            
REMARK 500   O    HOH A   620     O    HOH A   787              2.18            
REMARK 500   O    HOH A   735     O    HOH A   772              2.19            
REMARK 500   O    HOH A   633     O    HOH A   766              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   627     O    HOH A   775     1554     1.95            
REMARK 500   O    HOH A   501     O    HOH A   512     2554     1.98            
REMARK 500   O    HOH A   724     O    HOH A   725     2555     2.15            
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    ASP A  33     -136.21     53.30                                   
REMARK 500    ASN A  51       70.27   -159.52                                   
REMARK 500    ASN A  84     -122.17     50.48                                   
REMARK 500    TYR A 154      -91.64     56.51                                   
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                              ZN A 408  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  41   NE2                                                    
REMARK 620 2 CYS A 145   SG  105.6                                              
REMARK 620 3 HOH A 731   O    94.4 136.7                                        
REMARK 620 4 HOH A 776   O   126.8 103.6  93.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 7MHL   RELATED DB: PDB                                   
REMARK 900 ENSEMBLE REFINEMENT AT 100 K                                         
REMARK 900 RELATED ID: 7MHM   RELATED DB: PDB                                   
REMARK 900 ENSEMBLE REFINEMENT AT 240 K                                         
REMARK 900 RELATED ID: 7MHN   RELATED DB: PDB                                   
REMARK 900 ENSEMBLE REFINEMENT AT 277 K                                         
REMARK 900 RELATED ID: 7MHO   RELATED DB: PDB                                   
REMARK 900 ENSEMBLE REFINEMENT AT 298 K                                         
REMARK 900 RELATED ID: 7MHP   RELATED DB: PDB                                   
REMARK 900 ENSEMBLE REFINEMENT AT 298 K, 99% RH                                 
REMARK 900 RELATED ID: 7MHQ   RELATED DB: PDB                                   
REMARK 900 ENSEMBLE REFINEMENT AT 310 K                                         
REMARK 900 RELATED ID: 7MHF   RELATED DB: PDB                                   
REMARK 900 REFINEMENT AT 100 K                                                  
REMARK 900 RELATED ID: 7MHH   RELATED DB: PDB                                   
REMARK 900 REFINEMENT AT 277 K                                                  
REMARK 900 RELATED ID: 7MHI   RELATED DB: PDB                                   
REMARK 900 REFINEMENT AT 298 K                                                  
REMARK 900 RELATED ID: 7MHJ   RELATED DB: PDB                                   
REMARK 900 REFINEMENT AT 298 K, 99% RH                                          
REMARK 900 RELATED ID: 7MHK   RELATED DB: PDB                                   
REMARK 900 REFINEMENT AT 310 K                                                  
DBREF  7MHG A    1   306  UNP    P0DTD1   R1AB_SARS2    3264   3569             
SEQRES   1 A  306  SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL          
SEQRES   2 A  306  GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR          
SEQRES   3 A  306  LEU ASN GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO          
SEQRES   4 A  306  ARG HIS VAL ILE CYS THR SER GLU ASP MET LEU ASN PRO          
SEQRES   5 A  306  ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN          
SEQRES   6 A  306  PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE          
SEQRES   7 A  306  GLY HIS SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL          
SEQRES   8 A  306  ASP THR ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL          
SEQRES   9 A  306  ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS          
SEQRES  10 A  306  TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET          
SEQRES  11 A  306  ARG PRO ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY          
SEQRES  12 A  306  SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS          
SEQRES  13 A  306  VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR          
SEQRES  14 A  306  GLY VAL HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR          
SEQRES  15 A  306  GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY          
SEQRES  16 A  306  THR ASP THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU          
SEQRES  17 A  306  TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN          
SEQRES  18 A  306  ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA          
SEQRES  19 A  306  MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL          
SEQRES  20 A  306  ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA          
SEQRES  21 A  306  VAL LEU ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN          
SEQRES  22 A  306  ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU          
SEQRES  23 A  306  LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN          
SEQRES  24 A  306  CYS SER GLY VAL THR PHE GLN                                  
HET    DMS  A 401      10                                                       
HET    DMS  A 402      10                                                       
HET    DMS  A 403      10                                                       
HET    DMS  A 404      10                                                       
HET    DMS  A 405      10                                                       
HET    DMS  A 406      10                                                       
HET    DMS  A 407      10                                                       
HET     ZN  A 408       1                                                       
HETNAM     DMS DIMETHYL SULFOXIDE                                               
HETNAM      ZN ZINC ION                                                         
FORMUL   2  DMS    7(C2 H6 O S)                                                 
FORMUL   9   ZN    ZN 2+                                                        
FORMUL  10  HOH   *298(H2 O)                                                    
HELIX    1 AA1 SER A   10  GLY A   15  1                                   6    
HELIX    2 AA2 HIS A   41  CYS A   44  5                                   4    
HELIX    3 AA3 GLU A   47  ASN A   51  5                                   5    
HELIX    4 AA4 ASN A   53  ILE A   59  1                                   7    
HELIX    5 AA5 ARG A   60  LYS A   61  5                                   2    
HELIX    6 AA6 SER A   62  HIS A   64  5                                   3    
HELIX    7 AA7 ILE A  200  ASN A  214  1                                  15    
HELIX    8 AA8 THR A  226  TYR A  237  1                                  12    
HELIX    9 AA9 THR A  243  LEU A  250  1                                   8    
HELIX   10 AB1 LEU A  250  GLY A  258  1                                   9    
HELIX   11 AB2 ALA A  260  GLY A  275  1                                  16    
HELIX   12 AB3 THR A  292  GLY A  302  1                                  11    
SHEET    1 AA1 7 VAL A  73  LEU A  75  0                                        
SHEET    2 AA1 7 PHE A  66  ALA A  70 -1  N  ALA A  70   O  VAL A  73           
SHEET    3 AA1 7 MET A  17  CYS A  22 -1  N  THR A  21   O  LEU A  67           
SHEET    4 AA1 7 THR A  25  LEU A  32 -1  O  GLY A  29   N  VAL A  18           
SHEET    5 AA1 7 VAL A  35  PRO A  39 -1  O  VAL A  35   N  LEU A  32           
SHEET    6 AA1 7 VAL A  86  VAL A  91 -1  O  LEU A  89   N  VAL A  36           
SHEET    7 AA1 7 VAL A  77  GLN A  83 -1  N  GLN A  83   O  VAL A  86           
SHEET    1 AA2 5 LYS A 100  PHE A 103  0                                        
SHEET    2 AA2 5 CYS A 156  GLU A 166  1  O  PHE A 159   N  LYS A 102           
SHEET    3 AA2 5 VAL A 148  ASP A 153 -1  N  ASN A 151   O  SER A 158           
SHEET    4 AA2 5 THR A 111  TYR A 118 -1  N  SER A 113   O  PHE A 150           
SHEET    5 AA2 5 SER A 121  ALA A 129 -1  O  SER A 123   N  ALA A 116           
SHEET    1 AA3 3 LYS A 100  PHE A 103  0                                        
SHEET    2 AA3 3 CYS A 156  GLU A 166  1  O  PHE A 159   N  LYS A 102           
SHEET    3 AA3 3 HIS A 172  THR A 175 -1  O  ALA A 173   N  MET A 165           
LINK         NE2 HIS A  41                ZN    ZN A 408     1555   1555  2.23  
LINK         SG  CYS A 145                ZN    ZN A 408     1555   1555  2.36  
LINK        ZN    ZN A 408                 O   HOH A 731     1555   1555  2.24  
LINK        ZN    ZN A 408                 O   HOH A 776     1555   1555  2.36  
CRYST1  114.188   53.486   44.998  90.00 103.04  90.00 C 1 2 1       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      0.008757  0.000000  0.002028        0.00000                         
SCALE2      0.000000  0.018696  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022812        0.00000