HEADER    HYDROLASE/HYDROLASE INHIBITOR           09-MAY-20   6WX4              
TITLE     CRYSTAL STRUCTURE OF THE SARS COV-2 PAPAIN-LIKE PROTEASE IN COMPLEX   
TITLE    2 WITH PEPTIDE INHIBITOR VIR251                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NON-STRUCTURAL PROTEIN 3;                                  
COMPND   3 CHAIN: D;                                                            
COMPND   4 SYNONYM: PAPAIN-LIKE PROTEASE,PP1AB,ORF1AB POLYPROTEIN,NSP3,PL2-PRO, 
COMPND   5 PAPAIN-LIKE PROTEINASE,PL-PRO;                                       
COMPND   6 EC: 3.4.19.121, 3.4.22.-;                                            
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: VIR251;                                                    
COMPND  10 CHAIN: I;                                                            
COMPND  11 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS   
SOURCE   3 2;                                                                   
SOURCE   4 ORGANISM_COMMON: 2019-NCOV;                                          
SOURCE   5 ORGANISM_TAXID: 2697049;                                             
SOURCE   6 GENE: REP, 1A-1B;                                                    
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: CODON PLUS;                                
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET29B;                                   
SOURCE  12 MOL_ID: 2;                                                           
SOURCE  13 SYNTHETIC: YES;                                                      
SOURCE  14 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  15 ORGANISM_TAXID: 32360                                                
KEYWDS    COVID-19, CORONAVIRUS, SARS, COV-2, PAPAIN-LIKE PROTEASE, PLPRO,      
KEYWDS   2 DEUBIQUITINATING ENZYME, UBIQUITIN, ACTIVITY-BASED PROBE, HYDROLASE- 
KEYWDS   3 HYDROLASE INHIBITOR COMPLEX                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Z.LV,S.K.OLSEN                                                        
REVDAT   6   15-NOV-23 6WX4    1       LINK   ATOM                              
REVDAT   5   18-OCT-23 6WX4    1       JRNL                                     
REVDAT   4   27-JAN-21 6WX4    1       COMPND                                   
REVDAT   3   02-DEC-20 6WX4    1       JRNL                                     
REVDAT   2   24-JUN-20 6WX4    1       JRNL                                     
REVDAT   1   20-MAY-20 6WX4    0                                                
JRNL        AUTH   W.RUT,Z.LV,M.ZMUDZINSKI,S.PATCHETT,D.NAYAK,S.J.SNIPAS,       
JRNL        AUTH 2 F.EL OUALID,T.T.HUANG,M.BEKES,M.DRAG,S.K.OLSEN               
JRNL        TITL   ACTIVITY PROFILING AND CRYSTAL STRUCTURES OF INHIBITOR-BOUND 
JRNL        TITL 2 SARS-COV-2 PAPAIN-LIKE PROTEASE: A FRAMEWORK FOR             
JRNL        TITL 3 ANTI-COVID-19 DRUG DESIGN.                                   
JRNL        REF    SCI ADV                       V.   6       2020              
JRNL        REFN                   ESSN 2375-2548                               
JRNL        PMID   33067239                                                     
JRNL        DOI    10.1126/SCIADV.ABD4596                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   W.RUT,Z.LV,M.ZMUDZINSKI,S.PATCHETT,D.NAYAK,S.J.SNIPAS,       
REMARK   1  AUTH 2 F.EL OUALID,T.T.HUANG,M.BEKES,M.DRAG,S.K.OLSEN               
REMARK   1  TITL   ACTIVITY PROFILING AND STRUCTURES OF INHIBITOR-BOUND         
REMARK   1  TITL 2 SARS-COV-2-PLPRO PROTEASE PROVIDES A FRAMEWORK FOR           
REMARK   1  TITL 3 ANTI-COVID-19 DRUG DESIGN.                                   
REMARK   1  REF    BIORXIV                                    2020              
REMARK   1  REFN                   ISSN 2692-8205                               
REMARK   1  PMID   32511411                                                     
REMARK   1  DOI    10.1101/2020.04.29.068890                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.66 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.10_2155                                     
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) : 1.66                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 90.73                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 46301                          
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) : 0.170                           
REMARK   3   FREE R VALUE                     : 0.196                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.320                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2000                            
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 90.7000 -  3.9889    1.00     3373   153  0.1554 0.1829        
REMARK   3     2  3.9889 -  3.1660    1.00     3243   145  0.1579 0.1831        
REMARK   3     3  3.1660 -  2.7658    1.00     3190   145  0.1834 0.1932        
REMARK   3     4  2.7658 -  2.5129    1.00     3197   145  0.1885 0.2150        
REMARK   3     5  2.5129 -  2.3328    1.00     3178   143  0.1793 0.2070        
REMARK   3     6  2.3328 -  2.1952    1.00     3169   143  0.1714 0.2268        
REMARK   3     7  2.1952 -  2.0853    1.00     3169   143  0.1645 0.1771        
REMARK   3     8  2.0853 -  1.9945    1.00     3137   142  0.1593 0.1753        
REMARK   3     9  1.9945 -  1.9177    1.00     3164   142  0.1637 0.2134        
REMARK   3    10  1.9177 -  1.8515    1.00     3123   141  0.1809 0.2294        
REMARK   3    11  1.8515 -  1.7936    1.00     3115   141  0.1950 0.2186        
REMARK   3    12  1.7936 -  1.7424    1.00     3165   143  0.2001 0.2303        
REMARK   3    13  1.7424 -  1.6965    1.00     3145   141  0.2164 0.2149        
REMARK   3    14  1.6965 -  1.6551    0.94     2933   133  0.2407 0.2575        
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              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.160            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.050           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 28.43                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 37.69                          
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      :  0.006           2646                                  
REMARK   3   ANGLE     :  0.844           3581                                  
REMARK   3   CHIRALITY :  0.049            394                                  
REMARK   3   PLANARITY :  0.005            457                                  
REMARK   3   DIHEDRAL  : 11.852           1557                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 4                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN 'D' AND (RESID 1 THROUGH 78 )                    
REMARK   3    ORIGIN FOR THE GROUP (A): -13.8584 -11.2780 -14.0916              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3251 T22:   0.3506                                     
REMARK   3      T33:   0.3134 T12:   0.0123                                     
REMARK   3      T13:   0.0177 T23:  -0.0422                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.5245 L22:   0.1438                                     
REMARK   3      L33:   2.2132 L12:  -0.1752                                     
REMARK   3      L13:  -1.0808 L23:  -0.4358                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0851 S12:  -0.1137 S13:   0.0327                       
REMARK   3      S21:   0.1576 S22:  -0.1168 S23:   0.2863                       
REMARK   3      S31:  -0.1612 S32:  -0.1082 S33:  -0.0021                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN 'D' AND (RESID 79 THROUGH 175 )                  
REMARK   3    ORIGIN FOR THE GROUP (A):   1.4659 -13.7040 -32.6477              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1988 T22:   0.1949                                     
REMARK   3      T33:   0.2373 T12:   0.0074                                     
REMARK   3      T13:  -0.0303 T23:  -0.0115                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.5677 L22:   1.2118                                     
REMARK   3      L33:   1.7672 L12:  -0.2905                                     
REMARK   3      L13:  -0.8826 L23:   0.2411                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0298 S12:  -0.0705 S13:   0.0893                       
REMARK   3      S21:  -0.0451 S22:  -0.0103 S23:  -0.0354                       
REMARK   3      S31:  -0.0252 S32:   0.0209 S33:  -0.0000                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN 'D' AND (RESID 176 THROUGH 228 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  -2.9160 -22.8573 -59.9614              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3779 T22:   0.3633                                     
REMARK   3      T33:   0.2936 T12:   0.0183                                     
REMARK   3      T13:  -0.0564 T23:  -0.0535                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.5902 L22:   0.6141                                     
REMARK   3      L33:   0.7739 L12:   0.0199                                     
REMARK   3      L13:   0.2977 L23:   0.0719                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0727 S12:   0.0717 S13:  -0.2218                       
REMARK   3      S21:  -0.1561 S22:  -0.0584 S23:   0.0870                       
REMARK   3      S31:  -0.0391 S32:  -0.2431 S33:  -0.0083                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: CHAIN 'D' AND (RESID 229 THROUGH 320 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):   9.5523 -17.2123 -51.7144              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3161 T22:   0.2369                                     
REMARK   3      T33:   0.2731 T12:  -0.0152                                     
REMARK   3      T13:   0.0007 T23:   0.0181                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.8389 L22:   0.3820                                     
REMARK   3      L33:   2.2939 L12:  -0.0417                                     
REMARK   3      L13:   0.5363 L23:   0.9524                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0867 S12:   0.0479 S13:   0.0794                       
REMARK   3      S21:  -0.2464 S22:   0.0053 S23:  -0.2079                       
REMARK   3      S31:  -0.3203 S32:   0.1483 S33:  -0.0055                       
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 6WX4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-MAY-20.                  
REMARK 100 THE DEPOSITION ID IS D_1000249136.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-MAY-20                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
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                                  
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS EIGER2 X 16M               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS 0.5.32                     
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 46470                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.650                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 90.730                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 13.20                              
REMARK 200  R MERGE                    (I) : 0.09400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.68                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 11.50                              
REMARK 200  R MERGE FOR SHELL          (I) : 1.73200                            
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: PHASER                                                
REMARK 200 STARTING MODEL: 6WUU                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.88                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.56                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.8 M POTASSIUM SODIUM TARTRATE          
REMARK 280  TETRAHYDRATE, 0.1 M TRIS HCL PH 8.5 AND 0.5% W/V POLYETHYLENE       
REMARK 280  GLYCOL MONOMETHYL ETHER 5,000, VAPOR DIFFUSION, SITTING DROP,       
REMARK 280  TEMPERATURE 291K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 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+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z+1/2                                     
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       22.43450            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       56.74100            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       75.52400            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       22.43450            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       56.74100            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       75.52400            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       22.43450            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       56.74100            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       75.52400            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       22.43450            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       56.74100            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       75.52400            
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: D, I                                  
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 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 D 615  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH D 752  LIES ON A SPECIAL POSITION.                          
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 PEPTIDE COVALENTLY LINKED TO ACTIVE SITE CYS                         
REMARK 400                                                                      
REMARK 400 THE VIR251PAPAIN-LIKE PROTEASE PEPTIDE INHIBITOR IS PEPTIDE-LIKE, A  
REMARK 400 MEMBER OF ENZYME INHIBITOR CLASS.                                    
REMARK 400                                                                      
REMARK 400  GROUP: 1                                                            
REMARK 400   NAME: VIR251PAPAIN-LIKE PROTEASE PEPTIDE INHIBITOR                 
REMARK 400   CHAIN: I                                                           
REMARK 400   COMPONENT_1: PEPTIDE LIKE POLYMER                                  
REMARK 400   DESCRIPTION: NULL                                                  
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     MET D    -1                                                      
REMARK 465     ARG D     0                                                      
REMARK 465     HIS D   321                                                      
REMARK 465     HIS D   322                                                      
REMARK 465     HIS D   323                                                      
REMARK 465     HIS D   324                                                      
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 D   616     O    HOH D   767              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER D 103     -168.43   -111.82                                   
REMARK 500    GLU D 143       77.63   -106.82                                   
REMARK 500    CYS D 270       85.40   -153.16                                   
REMARK 500    LYS D 279     -126.49   -118.03                                   
REMARK 500    ASN D 308      -66.10   -139.05                                   
REMARK 500    GLU D 318     -175.25    -66.85                                   
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 D 501  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS D 189   SG                                                     
REMARK 620 2 CYS D 192   SG  106.4                                              
REMARK 620 3 CYS D 224   SG  108.3 116.2                                        
REMARK 620 4 CYS D 226   SG  115.9 109.8 100.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN D 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residues ACY A 1 and 73O A 2      
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residues 73O A 2 and DPP A 3      
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 6WUU   RELATED DB: PDB                                   
REMARK 900 THIS IS THE SAME ENZYME IN COMPLEX WITH A DIFFERENT INHIBITOR. I     
REMARK 900 WOULD LIKE TO RELEASE THESE COORDINATES TOGETHER AND I CAN CHANGE    
REMARK 900 TO RELEASE IMMEDIATELY AS LONG AS THEY RELEASE TOGETHER.             
DBREF  6WX4 D    0   316  UNP    P0DTD1   R1AB_SARS2    1563   1879             
DBREF  6WX4 I    1     5  PDB    6WX4     6WX4             1      5             
SEQADV 6WX4 MET D   -1  UNP  P0DTD1              INITIATING METHIONINE          
SEQADV 6WX4 LEU D  317  UNP  P0DTD1              EXPRESSION TAG                 
SEQADV 6WX4 GLU D  318  UNP  P0DTD1              EXPRESSION TAG                 
SEQADV 6WX4 HIS D  319  UNP  P0DTD1              EXPRESSION TAG                 
SEQADV 6WX4 HIS D  320  UNP  P0DTD1              EXPRESSION TAG                 
SEQADV 6WX4 HIS D  321  UNP  P0DTD1              EXPRESSION TAG                 
SEQADV 6WX4 HIS D  322  UNP  P0DTD1              EXPRESSION TAG                 
SEQADV 6WX4 HIS D  323  UNP  P0DTD1              EXPRESSION TAG                 
SEQADV 6WX4 HIS D  324  UNP  P0DTD1              EXPRESSION TAG                 
SEQRES   1 D  326  MET ARG GLU VAL ARG THR ILE LYS VAL PHE THR THR VAL          
SEQRES   2 D  326  ASP ASN ILE ASN LEU HIS THR GLN VAL VAL ASP MET SER          
SEQRES   3 D  326  MET THR TYR GLY GLN GLN PHE GLY PRO THR TYR LEU ASP          
SEQRES   4 D  326  GLY ALA ASP VAL THR LYS ILE LYS PRO HIS ASN SER HIS          
SEQRES   5 D  326  GLU GLY LYS THR PHE TYR VAL LEU PRO ASN ASP ASP THR          
SEQRES   6 D  326  LEU ARG VAL GLU ALA PHE GLU TYR TYR HIS THR THR ASP          
SEQRES   7 D  326  PRO SER PHE LEU GLY ARG TYR MET SER ALA LEU ASN HIS          
SEQRES   8 D  326  THR LYS LYS TRP LYS TYR PRO GLN VAL ASN GLY LEU THR          
SEQRES   9 D  326  SER ILE LYS TRP ALA ASP ASN ASN CYS TYR LEU ALA THR          
SEQRES  10 D  326  ALA LEU LEU THR LEU GLN GLN ILE GLU LEU LYS PHE ASN          
SEQRES  11 D  326  PRO PRO ALA LEU GLN ASP ALA TYR TYR ARG ALA ARG ALA          
SEQRES  12 D  326  GLY GLU ALA ALA ASN PHE CYS ALA LEU ILE LEU ALA TYR          
SEQRES  13 D  326  CYS ASN LYS THR VAL GLY GLU LEU GLY ASP VAL ARG GLU          
SEQRES  14 D  326  THR MET SER TYR LEU PHE GLN HIS ALA ASN LEU ASP SER          
SEQRES  15 D  326  CYS LYS ARG VAL LEU ASN VAL VAL CYS LYS THR CYS GLY          
SEQRES  16 D  326  GLN GLN GLN THR THR LEU LYS GLY VAL GLU ALA VAL MET          
SEQRES  17 D  326  TYR MET GLY THR LEU SER TYR GLU GLN PHE LYS LYS GLY          
SEQRES  18 D  326  VAL GLN ILE PRO CYS THR CYS GLY LYS GLN ALA THR LYS          
SEQRES  19 D  326  TYR LEU VAL GLN GLN GLU SER PRO PHE VAL MET MET SER          
SEQRES  20 D  326  ALA PRO PRO ALA GLN TYR GLU LEU LYS HIS GLY THR PHE          
SEQRES  21 D  326  THR CYS ALA SER GLU TYR THR GLY ASN TYR GLN CYS GLY          
SEQRES  22 D  326  HIS TYR LYS HIS ILE THR SER LYS GLU THR LEU TYR CYS          
SEQRES  23 D  326  ILE ASP GLY ALA LEU LEU THR LYS SER SER GLU TYR LYS          
SEQRES  24 D  326  GLY PRO ILE THR ASP VAL PHE TYR LYS GLU ASN SER TYR          
SEQRES  25 D  326  THR THR THR ILE LYS PRO LEU GLU HIS HIS HIS HIS HIS          
SEQRES  26 D  326  HIS                                                          
SEQRES   1 I    5  ACY 73O DPP GLY GVE                                          
HET    ACY  I   1       3                                                       
HET    73O  I   2      13                                                       
HET    DPP  I   3       6                                                       
HET    GVE  I   5       8                                                       
HET     ZN  D 501       1                                                       
HETNAM     ACY ACETIC ACID                                                      
HETNAM     73O (2~{S})-2-AZANYL-4-(4-HYDROXYPHENYL)BUTANOIC ACID                
HETNAM     DPP DIAMINOPROPANOIC ACID                                            
HETNAM     GVE METHYL 4-AMINOBUTANOATE                                          
HETNAM      ZN ZINC ION                                                         
FORMUL   2  ACY    C2 H4 O2                                                     
FORMUL   2  73O    C10 H13 N O3                                                 
FORMUL   2  DPP    C3 H8 N2 O2                                                  
FORMUL   2  GVE    C5 H11 N O2                                                  
FORMUL   3   ZN    ZN 2+                                                        
FORMUL   4  HOH   *194(H2 O)                                                    
HELIX    1 AA1 THR D   26  GLY D   32  1                                   7    
HELIX    2 AA2 HIS D   47  GLU D   51  5                                   5    
HELIX    3 AA3 ASP D   61  HIS D   73  1                                  13    
HELIX    4 AA4 SER D   78  LYS D   91  1                                  14    
HELIX    5 AA5 ASN D  110  GLN D  121  1                                  12    
HELIX    6 AA6 PRO D  129  ALA D  141  1                                  13    
HELIX    7 AA7 ALA D  144  ASN D  156  1                                  13    
HELIX    8 AA8 ASP D  164  GLN D  174  1                                  11    
HELIX    9 AA9 GLY D  201  VAL D  205  1                                   5    
HELIX   10 AB1 SER D  212  GLY D  219  1                                   8    
SHEET    1 AA1 5 HIS D  17  ASP D  22  0                                        
SHEET    2 AA1 5 THR D   4  THR D  10 -1  N  VAL D   7   O  GLN D  19           
SHEET    3 AA1 5 THR D  54  VAL D  57  1  O  PHE D  55   N  PHE D   8           
SHEET    4 AA1 5 THR D  34  LEU D  36 -1  N  TYR D  35   O  TYR D  56           
SHEET    5 AA1 5 ALA D  39  ASP D  40 -1  O  ALA D  39   N  LEU D  36           
SHEET    1 AA2 2 GLN D  97  VAL D  98  0                                        
SHEET    2 AA2 2 LEU D 101  THR D 102 -1  O  LEU D 101   N  VAL D  98           
SHEET    1 AA3 4 GLY D 193  LYS D 200  0                                        
SHEET    2 AA3 4 LYS D 182  CYS D 189 -1  N  ARG D 183   O  LEU D 199           
SHEET    3 AA3 4 GLN D 229  GLU D 238 -1  O  THR D 231   N  VAL D 188           
SHEET    4 AA3 4 VAL D 220  PRO D 223 -1  N  ILE D 222   O  ALA D 230           
SHEET    1 AA4 4 GLY D 193  LYS D 200  0                                        
SHEET    2 AA4 4 LYS D 182  CYS D 189 -1  N  ARG D 183   O  LEU D 199           
SHEET    3 AA4 4 GLN D 229  GLU D 238 -1  O  THR D 231   N  VAL D 188           
SHEET    4 AA4 4 SER D 309  THR D 311 -1  O  TYR D 310   N  GLN D 237           
SHEET    1 AA5 7 MET D 206  MET D 208  0                                        
SHEET    2 AA5 7 PHE D 241  LEU D 253  1  O  SER D 245   N  TYR D 207           
SHEET    3 AA5 7 TYR D 296  LYS D 306 -1  O  VAL D 303   N  MET D 244           
SHEET    4 AA5 7 CYS D 260  ASN D 267 -1  N  CYS D 260   O  PHE D 304           
SHEET    5 AA5 7 CYS D 270  SER D 278 -1  O  ILE D 276   N  ALA D 261           
SHEET    6 AA5 7 LEU D 282  ASP D 286 -1  O  ILE D 285   N  HIS D 275           
SHEET    7 AA5 7 LEU D 289  SER D 293 -1  O  LEU D 289   N  ASP D 286           
LINK         SG  CYS D 111                 CB  GVE I   5     1555   1555  1.79  
LINK         C   ACY I   1                 N   73O I   2     1555   1555  1.45  
LINK         C   73O I   2                 N   DPP I   3     1555   1555  1.44  
LINK         C   DPP I   3                 N   GLY I   4     1555   1555  1.43  
LINK         C   GLY I   4                 N   GVE I   5     1555   1555  1.44  
LINK         SG  CYS D 189                ZN    ZN D 501     1555   1555  2.36  
LINK         SG  CYS D 192                ZN    ZN D 501     1555   1555  2.34  
LINK         SG  CYS D 224                ZN    ZN D 501     1555   1555  2.40  
LINK         SG  CYS D 226                ZN    ZN D 501     1555   1555  2.28  
SITE     1 AC1  4 CYS D 189  CYS D 192  CYS D 224  CYS D 226                    
SITE     1 AC2 13 DPP I   3  HOH I 101  HOH I 102  ASP D  76                    
SITE     2 AC2 13 ARG D  82  ASN D 156  GLY D 163  ASP D 164                    
SITE     3 AC2 13 PRO D 248  TYR D 264  TYR D 268  TYR D 273                    
SITE     4 AC2 13 HOH D 647                                                     
SITE     1 AC3 15 ACY I   1  GLY I   4  HOH I 101  ASP D  76                    
SITE     2 AC3 15 ARG D  82  ASN D 156  GLY D 163  ASP D 164                    
SITE     3 AC3 15 PRO D 248  TYR D 264  TYR D 268  GLN D 269                    
SITE     4 AC3 15 GLY D 271  TYR D 273  HOH D 743                               
CRYST1   44.869  113.482  151.048  90.00  90.00  90.00 I 2 2 2       8          
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      0.022287  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008812  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006620        0.00000