HEADER    VIRAL PROTEIN                           12-AUG-20   7JRN              
TITLE     CRYSTAL STRUCTURE OF THE WILD TYPE SARS-COV-2 PAPAIN-LIKE PROTEASE    
TITLE    2 (PLPRO) WITH INHIBITOR GRL0617                                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NON-STRUCTURAL PROTEIN 3;                                  
COMPND   3 CHAIN: A, J;                                                         
COMPND   4 SYNONYM: NSP3,PL2-PRO,PAPAIN-LIKE PROTEASE,PAPAIN-LIKE PROTEINASE,PL-
COMPND   5 PRO;                                                                 
COMPND   6 EC: 3.4.19.12;                                                       
COMPND   7 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008                                      
KEYWDS    COVID, COVID19, COVID-19, SARS, SARS COV2, COV, NCOV 19, CORONAVIRUS, 
KEYWDS   2 MAIN PROTEASE, 3CL, MPRO, PRO, VIRAL PROTEIN, GC376, CALPAIN         
KEYWDS   3 INHIBITOR II, LEUPEPTIN, CALPAIN, ALDEHYDE, GC-376, 3CL-LIKE, A-     
KEYWDS   4 KETOAMIDE, ALPHEKETOAMIDE, ALPHA, KETOAMIDE, PEPTIDOMIMETIC,         
KEYWDS   5 PROTEASE, CYSTEINE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX, GRL0617,  
KEYWDS   6 PAPIN-LIKE PROTEASE, PLP, PLPRO, PL-PRO, PAPAIN                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.SACCO,C.MA,J.WANG,Y.CHEN                                            
REVDAT   4   18-OCT-23 7JRN    1       REMARK                                   
REVDAT   3   08-SEP-21 7JRN    1       JRNL                                     
REVDAT   2   27-JAN-21 7JRN    1       COMPND                                   
REVDAT   1   26-AUG-20 7JRN    0                                                
JRNL        AUTH   C.MA,M.D.SACCO,Z.XIA,G.LAMBRINIDIS,J.A.TOWNSEND,Y.HU,X.MENG, 
JRNL        AUTH 2 T.SZETO,M.BA,X.ZHANG,M.GONGORA,F.ZHANG,M.T.MARTY,Y.XIANG,    
JRNL        AUTH 3 A.KOLOCOURIS,Y.CHEN,J.WANG                                   
JRNL        TITL   DISCOVERY OF SARS-COV-2 PAPAIN-LIKE PROTEASE INHIBITORS      
JRNL        TITL 2 THROUGH A COMBINATION OF HIGH-THROUGHPUT SCREENING AND A     
JRNL        TITL 3 FLIPGFP-BASED REPORTER ASSAY.                                
JRNL        REF    ACS CENT.SCI.                 V.   7  1245 2021              
JRNL        REFN                   ESSN 2374-7951                               
JRNL        PMID   34341772                                                     
JRNL        DOI    10.1021/ACSCENTSCI.1C00519                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.48 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0258                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.48                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.64                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 84.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 22652                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.247                           
REMARK   3   R VALUE            (WORKING SET) : 0.245                           
REMARK   3   FREE R VALUE                     : 0.287                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1176                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.48                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.54                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 977                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 50.27                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3300                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 56                           
REMARK   3   BIN FREE R VALUE                    : 0.4560                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4998                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 73                                      
REMARK   3   SOLVENT ATOMS            : 88                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 37.16                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 28.93000                                             
REMARK   3    B22 (A**2) : -2.46000                                             
REMARK   3    B33 (A**2) : -26.47000                                            
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 13.81000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.066         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.077         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.203         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.001         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.904                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.868                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS U VALUES : REFINED INDIVIDUALLY                           
REMARK   4                                                                      
REMARK   4 7JRN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-AUG-20.                  
REMARK 100 THE DEPOSITION ID IS D_1000251272.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-AUG-20                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-BM                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97919                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-3000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23868                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.480                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 86.2                               
REMARK 200  DATA REDUNDANCY                : 7.200                              
REMARK 200  R MERGE                    (I) : 0.15800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 5.4000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.54                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 66.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.50400                            
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: MOLREP                                                
REMARK 200 STARTING MODEL: 6WZU                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.02                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.73                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30 % PEG 4,000 0.2 M LI2SO4 0.1 M TRIS   
REMARK 280  PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       72.43600            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
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: J                                     
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 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     LEU A   316                                                      
REMARK 465     GLU A   317                                                      
REMARK 465     HIS A   318                                                      
REMARK 465     HIS A   319                                                      
REMARK 465     HIS A   320                                                      
REMARK 465     HIS A   321                                                      
REMARK 465     HIS A   322                                                      
REMARK 465     HIS A   323                                                      
REMARK 465     LEU J   316                                                      
REMARK 465     GLU J   317                                                      
REMARK 465     HIS J   318                                                      
REMARK 465     HIS J   319                                                      
REMARK 465     HIS J   320                                                      
REMARK 465     HIS J   321                                                      
REMARK 465     HIS J   322                                                      
REMARK 465     HIS J   323                                                      
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     LYS J 190    CG   CD   CE   NZ                                   
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    ILE A  14      -55.75   -125.92                                   
REMARK 500    SER A  24       43.62   -102.77                                   
REMARK 500    ALA A 107      137.64   -172.88                                   
REMARK 500    HIS A 175       30.05    -98.47                                   
REMARK 500    THR A 259      -66.96    -93.15                                   
REMARK 500    CYS A 270       41.52   -151.88                                   
REMARK 500    LYS A 279     -122.04   -129.87                                   
REMARK 500    ASN A 308      -64.37   -126.66                                   
REMARK 500    ILE J  14      -62.26   -105.49                                   
REMARK 500    PRO J  59       88.03    -66.68                                   
REMARK 500    ASP J  76      103.76    -55.93                                   
REMARK 500    ASN J  99        2.86     81.52                                   
REMARK 500    SER J 103     -169.14   -117.06                                   
REMARK 500    ALA J 107      130.02   -178.11                                   
REMARK 500    THR J 191      -73.76    -81.51                                   
REMARK 500    CYS J 224     -138.49     58.25                                   
REMARK 500    THR J 225      -65.46   -127.84                                   
REMARK 500    CYS J 226       62.68    -61.22                                   
REMARK 500    CYS J 270       42.71   -160.67                                   
REMARK 500    LYS J 279     -119.40   -122.50                                   
REMARK 500    ASP J 286       73.16   -108.43                                   
REMARK 500    ASN J 308      -57.55   -138.92                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 547        DISTANCE =  6.51 ANGSTROMS                       
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 402  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 189   SG                                                     
REMARK 620 2 CYS A 192   SG  110.5                                              
REMARK 620 3 CYS A 224   SG  135.8  96.0                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN J 402  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR J 191   OG1                                                    
REMARK 620 2 CYS J 226   SG   82.9                                              
REMARK 620 N                    1                                               
DBREF  7JRN A    1   315  UNP    P0DTC1   R1A_SARS2     1564   1878             
DBREF  7JRN J    1   315  UNP    P0DTC1   R1A_SARS2     1564   1878             
SEQADV 7JRN LEU A  316  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN GLU A  317  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS A  318  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS A  319  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS A  320  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS A  321  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS A  322  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS A  323  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN LEU J  316  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN GLU J  317  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS J  318  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS J  319  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS J  320  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS J  321  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS J  322  UNP  P0DTC1              EXPRESSION TAG                 
SEQADV 7JRN HIS J  323  UNP  P0DTC1              EXPRESSION TAG                 
SEQRES   1 A  323  GLU VAL ARG THR ILE LYS VAL PHE THR THR VAL ASP ASN          
SEQRES   2 A  323  ILE ASN LEU HIS THR GLN VAL VAL ASP MET SER MET THR          
SEQRES   3 A  323  TYR GLY GLN GLN PHE GLY PRO THR TYR LEU ASP GLY ALA          
SEQRES   4 A  323  ASP VAL THR LYS ILE LYS PRO HIS ASN SER HIS GLU GLY          
SEQRES   5 A  323  LYS THR PHE TYR VAL LEU PRO ASN ASP ASP THR LEU ARG          
SEQRES   6 A  323  VAL GLU ALA PHE GLU TYR TYR HIS THR THR ASP PRO SER          
SEQRES   7 A  323  PHE LEU GLY ARG TYR MET SER ALA LEU ASN HIS THR LYS          
SEQRES   8 A  323  LYS TRP LYS TYR PRO GLN VAL ASN GLY LEU THR SER ILE          
SEQRES   9 A  323  LYS TRP ALA ASP ASN ASN CYS TYR LEU ALA THR ALA LEU          
SEQRES  10 A  323  LEU THR LEU GLN GLN ILE GLU LEU LYS PHE ASN PRO PRO          
SEQRES  11 A  323  ALA LEU GLN ASP ALA TYR TYR ARG ALA ARG ALA GLY GLU          
SEQRES  12 A  323  ALA ALA ASN PHE CYS ALA LEU ILE LEU ALA TYR CYS ASN          
SEQRES  13 A  323  LYS THR VAL GLY GLU LEU GLY ASP VAL ARG GLU THR MET          
SEQRES  14 A  323  SER TYR LEU PHE GLN HIS ALA ASN LEU ASP SER CYS LYS          
SEQRES  15 A  323  ARG VAL LEU ASN VAL VAL CYS LYS THR CYS GLY GLN GLN          
SEQRES  16 A  323  GLN THR THR LEU LYS GLY VAL GLU ALA VAL MET TYR MET          
SEQRES  17 A  323  GLY THR LEU SER TYR GLU GLN PHE LYS LYS GLY VAL GLN          
SEQRES  18 A  323  ILE PRO CYS THR CYS GLY LYS GLN ALA THR LYS TYR LEU          
SEQRES  19 A  323  VAL GLN GLN GLU SER PRO PHE VAL MET MET SER ALA PRO          
SEQRES  20 A  323  PRO ALA GLN TYR GLU LEU LYS HIS GLY THR PHE THR CYS          
SEQRES  21 A  323  ALA SER GLU TYR THR GLY ASN TYR GLN CYS GLY HIS TYR          
SEQRES  22 A  323  LYS HIS ILE THR SER LYS GLU THR LEU TYR CYS ILE ASP          
SEQRES  23 A  323  GLY ALA LEU LEU THR LYS SER SER GLU TYR LYS GLY PRO          
SEQRES  24 A  323  ILE THR ASP VAL PHE TYR LYS GLU ASN SER TYR THR THR          
SEQRES  25 A  323  THR ILE LYS LEU GLU HIS HIS HIS HIS HIS HIS                  
SEQRES   1 J  323  GLU VAL ARG THR ILE LYS VAL PHE THR THR VAL ASP ASN          
SEQRES   2 J  323  ILE ASN LEU HIS THR GLN VAL VAL ASP MET SER MET THR          
SEQRES   3 J  323  TYR GLY GLN GLN PHE GLY PRO THR TYR LEU ASP GLY ALA          
SEQRES   4 J  323  ASP VAL THR LYS ILE LYS PRO HIS ASN SER HIS GLU GLY          
SEQRES   5 J  323  LYS THR PHE TYR VAL LEU PRO ASN ASP ASP THR LEU ARG          
SEQRES   6 J  323  VAL GLU ALA PHE GLU TYR TYR HIS THR THR ASP PRO SER          
SEQRES   7 J  323  PHE LEU GLY ARG TYR MET SER ALA LEU ASN HIS THR LYS          
SEQRES   8 J  323  LYS TRP LYS TYR PRO GLN VAL ASN GLY LEU THR SER ILE          
SEQRES   9 J  323  LYS TRP ALA ASP ASN ASN CYS TYR LEU ALA THR ALA LEU          
SEQRES  10 J  323  LEU THR LEU GLN GLN ILE GLU LEU LYS PHE ASN PRO PRO          
SEQRES  11 J  323  ALA LEU GLN ASP ALA TYR TYR ARG ALA ARG ALA GLY GLU          
SEQRES  12 J  323  ALA ALA ASN PHE CYS ALA LEU ILE LEU ALA TYR CYS ASN          
SEQRES  13 J  323  LYS THR VAL GLY GLU LEU GLY ASP VAL ARG GLU THR MET          
SEQRES  14 J  323  SER TYR LEU PHE GLN HIS ALA ASN LEU ASP SER CYS LYS          
SEQRES  15 J  323  ARG VAL LEU ASN VAL VAL CYS LYS THR CYS GLY GLN GLN          
SEQRES  16 J  323  GLN THR THR LEU LYS GLY VAL GLU ALA VAL MET TYR MET          
SEQRES  17 J  323  GLY THR LEU SER TYR GLU GLN PHE LYS LYS GLY VAL GLN          
SEQRES  18 J  323  ILE PRO CYS THR CYS GLY LYS GLN ALA THR LYS TYR LEU          
SEQRES  19 J  323  VAL GLN GLN GLU SER PRO PHE VAL MET MET SER ALA PRO          
SEQRES  20 J  323  PRO ALA GLN TYR GLU LEU LYS HIS GLY THR PHE THR CYS          
SEQRES  21 J  323  ALA SER GLU TYR THR GLY ASN TYR GLN CYS GLY HIS TYR          
SEQRES  22 J  323  LYS HIS ILE THR SER LYS GLU THR LEU TYR CYS ILE ASP          
SEQRES  23 J  323  GLY ALA LEU LEU THR LYS SER SER GLU TYR LYS GLY PRO          
SEQRES  24 J  323  ILE THR ASP VAL PHE TYR LYS GLU ASN SER TYR THR THR          
SEQRES  25 J  323  THR ILE LYS LEU GLU HIS HIS HIS HIS HIS HIS                  
HET    TTT  A 401      23                                                       
HET     ZN  A 402       1                                                       
HET    SO4  A 403       5                                                       
HET    SO4  A 404       5                                                       
HET    TTT  J 401      23                                                       
HET     ZN  J 402       1                                                       
HET    SO4  J 403       5                                                       
HET    SO4  J 404       5                                                       
HET    SO4  J 405       5                                                       
HETNAM     TTT 5-AMINO-2-METHYL-N-[(1R)-1-NAPHTHALEN-1-                         
HETNAM   2 TTT  YLETHYL]BENZAMIDE                                               
HETNAM      ZN ZINC ION                                                         
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3  TTT    2(C20 H20 N2 O)                                              
FORMUL   4   ZN    2(ZN 2+)                                                     
FORMUL   5  SO4    5(O4 S 2-)                                                   
FORMUL  12  HOH   *88(H2 O)                                                     
HELIX    1 AA1 THR A   26  PHE A   31  1                                   6    
HELIX    2 AA2 HIS A   47  GLU A   51  5                                   5    
HELIX    3 AA3 ASP A   61  HIS A   73  1                                  13    
HELIX    4 AA4 SER A   78  LYS A   91  1                                  14    
HELIX    5 AA5 ASN A  110  GLN A  121  1                                  12    
HELIX    6 AA6 PRO A  129  GLY A  142  1                                  14    
HELIX    7 AA7 ALA A  144  CYS A  155  1                                  12    
HELIX    8 AA8 ASP A  164  HIS A  175  1                                  12    
HELIX    9 AA9 VAL A  202  ALA A  204  5                                   3    
HELIX   10 AB1 SER A  212  GLY A  219  1                                   8    
HELIX   11 AB2 THR J   26  GLY J   32  1                                   7    
HELIX   12 AB3 HIS J   47  GLU J   51  5                                   5    
HELIX   13 AB4 ASP J   61  HIS J   73  1                                  13    
HELIX   14 AB5 SER J   78  LYS J   91  1                                  14    
HELIX   15 AB6 ASN J  110  GLN J  121  1                                  12    
HELIX   16 AB7 PRO J  129  GLY J  142  1                                  14    
HELIX   17 AB8 ALA J  144  ASN J  156  1                                  13    
HELIX   18 AB9 ASP J  164  HIS J  175  1                                  12    
HELIX   19 AC1 VAL J  202  ALA J  204  5                                   3    
HELIX   20 AC2 GLU J  214  GLY J  219  1                                   6    
SHEET    1 AA1 8 ALA A  39  ASP A  40  0                                        
SHEET    2 AA1 8 THR A  34  LEU A  36 -1  N  LEU A  36   O  ALA A  39           
SHEET    3 AA1 8 THR A  54  VAL A  57 -1  O  TYR A  56   N  TYR A  35           
SHEET    4 AA1 8 THR A   4  THR A  10  1  N  PHE A   8   O  PHE A  55           
SHEET    5 AA1 8 ASN A  15  ASP A  22 -1  O  HIS A  17   N  THR A   9           
SHEET    6 AA1 8 LEU J  16  ASP J  22 -1  O  LEU J  16   N  LEU A  16           
SHEET    7 AA1 8 THR J   4  THR J  10 -1  N  THR J   9   O  HIS J  17           
SHEET    8 AA1 8 THR J  54  TYR J  56  1  O  PHE J  55   N  PHE J   8           
SHEET    1 AA2 2 GLN A  97  VAL A  98  0                                        
SHEET    2 AA2 2 LEU A 101  THR A 102 -1  O  LEU A 101   N  VAL A  98           
SHEET    1 AA3 4 GLY A 193  LYS A 200  0                                        
SHEET    2 AA3 4 LYS A 182  CYS A 189 -1  N  VAL A 187   O  GLN A 195           
SHEET    3 AA3 4 GLN A 229  GLU A 238 -1  O  GLU A 238   N  LYS A 182           
SHEET    4 AA3 4 VAL A 220  PRO A 223 -1  N  ILE A 222   O  ALA A 230           
SHEET    1 AA4 4 GLY A 193  LYS A 200  0                                        
SHEET    2 AA4 4 LYS A 182  CYS A 189 -1  N  VAL A 187   O  GLN A 195           
SHEET    3 AA4 4 GLN A 229  GLU A 238 -1  O  GLU A 238   N  LYS A 182           
SHEET    4 AA4 4 SER A 309  THR A 311 -1  O  TYR A 310   N  GLN A 237           
SHEET    1 AA5 7 MET A 206  MET A 208  0                                        
SHEET    2 AA5 7 PHE A 241  GLU A 252  1  O  SER A 245   N  TYR A 207           
SHEET    3 AA5 7 LYS A 297  LYS A 306 -1  O  VAL A 303   N  MET A 244           
SHEET    4 AA5 7 CYS A 260  ASN A 267 -1  N  CYS A 260   O  PHE A 304           
SHEET    5 AA5 7 CYS A 270  SER A 278 -1  O  ILE A 276   N  ALA A 261           
SHEET    6 AA5 7 LEU A 282  ASP A 286 -1  O  ILE A 285   N  HIS A 275           
SHEET    7 AA5 7 LEU A 289  SER A 293 -1  O  THR A 291   N  CYS A 284           
SHEET    1 AA6 2 TYR J  35  LEU J  36  0                                        
SHEET    2 AA6 2 ALA J  39  ASP J  40 -1  O  ALA J  39   N  LEU J  36           
SHEET    1 AA7 2 GLN J  97  VAL J  98  0                                        
SHEET    2 AA7 2 LEU J 101  THR J 102 -1  O  LEU J 101   N  VAL J  98           
SHEET    1 AA8 4 GLN J 194  LYS J 200  0                                        
SHEET    2 AA8 4 LYS J 182  VAL J 188 -1  N  ARG J 183   O  LEU J 199           
SHEET    3 AA8 4 ALA J 230  GLU J 238 -1  O  GLU J 238   N  LYS J 182           
SHEET    4 AA8 4 VAL J 220  ILE J 222 -1  N  VAL J 220   O  LYS J 232           
SHEET    1 AA9 4 GLN J 194  LYS J 200  0                                        
SHEET    2 AA9 4 LYS J 182  VAL J 188 -1  N  ARG J 183   O  LEU J 199           
SHEET    3 AA9 4 ALA J 230  GLU J 238 -1  O  GLU J 238   N  LYS J 182           
SHEET    4 AA9 4 TYR J 310  THR J 311 -1  O  TYR J 310   N  GLN J 237           
SHEET    1 AB1 7 MET J 206  MET J 208  0                                        
SHEET    2 AB1 7 PHE J 241  GLU J 252  1  O  SER J 245   N  TYR J 207           
SHEET    3 AB1 7 LYS J 297  LYS J 306 -1  O  VAL J 303   N  MET J 244           
SHEET    4 AB1 7 CYS J 260  ASN J 267 -1  N  CYS J 260   O  PHE J 304           
SHEET    5 AB1 7 CYS J 270  SER J 278 -1  O  ILE J 276   N  ALA J 261           
SHEET    6 AB1 7 LEU J 282  ASP J 286 -1  O  ILE J 285   N  HIS J 275           
SHEET    7 AB1 7 LEU J 289  SER J 293 -1  O  THR J 291   N  CYS J 284           
LINK         SG  CYS A 189                ZN    ZN A 402     1555   1555  2.18  
LINK         SG  CYS A 192                ZN    ZN A 402     1555   1555  2.72  
LINK         SG  CYS A 224                ZN    ZN A 402     1555   1555  2.40  
LINK         OG1 THR J 191                ZN    ZN J 402     1555   1555  2.23  
LINK         SG  CYS J 226                ZN    ZN J 402     1555   1555  2.27  
CRYST1   46.733  144.872   60.145  90.00  99.26  90.00 P 1 21 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      0.021398  0.000000  0.003491        0.00000                         
SCALE2      0.000000  0.006903  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016846        0.00000