HEADER    VIRAL PROTEIN                           26-MAR-20   7BQY              
TITLE     THE CRYSTAL STRUCTURE OF COVID-19 MAIN PROTEASE IN COMPLEX WITH AN    
TITLE    2 INHIBITOR N3 AT 1.7 ANGSTROM                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 3C-LIKE PROTEINASE;                                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PP1AB,ORF1AB POLYPROTEIN,3CL-PRO,3CLP,MAIN PROTEASE,MPRO,   
COMPND   5 NON-STRUCTURAL PROTEIN 5,NSP5,SARS CORONAVIRUS MAIN PROTEINASE;      
COMPND   6 EC: 3.4.22.69;                                                       
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: N-[(5-METHYLISOXAZOL-3-YL)CARBONYL]ALANYL-L-VALYL-N~1~-    
COMPND  10 ((1R,2Z)-4-(BENZYLOXY)-4-OXO-1-{[(3R)-2-OXOPYRROLIDIN-3-             
COMPND  11 YL]METHYL}BUT-2-ENYL)-L-LEUCINAMIDE;                                 
COMPND  12 CHAIN: C;                                                            
COMPND  13 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_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PGEX-6P-1;                                
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 SYNTHETIC: YES;                                                      
SOURCE  13 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  14 ORGANISM_TAXID: 32630                                                
KEYWDS    PROTEASE, VIRAL PROTEIN                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    X.LIU,B.ZHANG,Z.JIN,H.YANG,Z.RAO                                      
REVDAT   9   09-OCT-24 7BQY    1       REMARK                                   
REVDAT   8   29-NOV-23 7BQY    1       REMARK                                   
REVDAT   7   15-NOV-23 7BQY    1       LINK   ATOM                              
REVDAT   6   10-MAR-21 7BQY    1       COMPND                                   
REVDAT   5   24-JUN-20 7BQY    1       JRNL                                     
REVDAT   4   10-JUN-20 7BQY    1       COMPND                                   
REVDAT   3   27-MAY-20 7BQY    1       JRNL                                     
REVDAT   2   06-MAY-20 7BQY    1       COMPND SOURCE REMARK DBREF               
REVDAT   2 2                   1       LINK   SITE   ATOM                       
REVDAT   1   22-APR-20 7BQY    0                                                
JRNL        AUTH   Z.JIN,X.DU,Y.XU,Y.DENG,M.LIU,Y.ZHAO,B.ZHANG,X.LI,L.ZHANG,    
JRNL        AUTH 2 C.PENG,Y.DUAN,J.YU,L.WANG,K.YANG,F.LIU,R.JIANG,X.YANG,T.YOU, 
JRNL        AUTH 3 X.LIU,X.YANG,F.BAI,H.LIU,X.LIU,L.W.GUDDAT,W.XU,G.XIAO,C.QIN, 
JRNL        AUTH 4 Z.SHI,H.JIANG,Z.RAO,H.YANG                                   
JRNL        TITL   STRUCTURE OF MPROFROM SARS-COV-2 AND DISCOVERY OF ITS        
JRNL        TITL 2 INHIBITORS.                                                  
JRNL        REF    NATURE                        V. 582   289 2020              
JRNL        REFN                   ESSN 1476-4687                               
JRNL        PMID   32272481                                                     
JRNL        DOI    10.1038/S41586-020-2223-Y                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.17.1_3660                                   
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) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 31.00                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.380                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 40114                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.197                           
REMARK   3   R VALUE            (WORKING SET) : 0.195                           
REMARK   3   FREE R VALUE                     : 0.226                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.050                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2027                            
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 31.0000 -  4.0900    0.99     2811   161  0.1613 0.1760        
REMARK   3     2  4.0900 -  3.2500    0.99     2774   142  0.1805 0.2098        
REMARK   3     3  3.2400 -  2.8300    1.00     2782   154  0.2059 0.2500        
REMARK   3     4  2.8300 -  2.5800    1.00     2781   162  0.2136 0.2668        
REMARK   3     5  2.5800 -  2.3900    1.00     2772   164  0.2170 0.2501        
REMARK   3     6  2.3900 -  2.2500    1.00     2768   128  0.2150 0.2548        
REMARK   3     7  2.2500 -  2.1400    1.00     2835   127  0.2055 0.2181        
REMARK   3     8  2.1400 -  2.0400    1.00     2774   110  0.2064 0.2130        
REMARK   3     9  2.0400 -  1.9700    1.00     2759   153  0.2203 0.2682        
REMARK   3    10  1.9700 -  1.9000    1.00     2795   140  0.2225 0.2237        
REMARK   3    11  1.9000 -  1.8400    1.00     2772   145  0.2326 0.3237        
REMARK   3    12  1.8400 -  1.7900    0.99     2699   178  0.2621 0.2769        
REMARK   3    13  1.7900 -  1.7400    0.92     2551   138  0.2978 0.3780        
REMARK   3    14  1.7400 -  1.7000    0.80     2214   125  0.3174 0.3716        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
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)     : 0.220            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.160           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 49.52                          
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  : 1                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: ALL                                                    
REMARK   3    ORIGIN FOR THE GROUP (A):  -5.3330  -0.8548  12.1828              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2035 T22:   0.2372                                     
REMARK   3      T33:   0.2468 T12:  -0.0112                                     
REMARK   3      T13:  -0.0107 T23:   0.0012                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.5156 L22:   2.4565                                     
REMARK   3      L33:   3.4661 L12:   0.6763                                     
REMARK   3      L13:  -0.5636 L23:   0.5375                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0502 S12:  -0.0677 S13:  -0.1355                       
REMARK   3      S21:   0.1412 S22:  -0.0879 S23:  -0.1524                       
REMARK   3      S31:  -0.3513 S32:  -0.1937 S33:   0.0034                       
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 7BQY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-MAR-20.                  
REMARK 100 THE DEPOSITION ID IS D_1300016317.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 21-MAR-20                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL19U1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97852                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 40158                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
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     (%) : 98.1                               
REMARK 200  DATA REDUNDANCY                : 6.500                              
REMARK 200  R MERGE                    (I) : 0.06100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.73                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.60800                            
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: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 6LU7                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.97                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.73                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2% POLYETHYLENE GLYCOL (PEG) 6000, 3%    
REMARK 280  DMSO, 1MM DTT, 0.1M MES BUFFER (PH 6.0), PROTEIN CONCENTRATION      
REMARK 280  5MG/ML, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K,            
REMARK 280  EVAPORATION                                                         
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       48.18450            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       40.23700            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       48.18450            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       40.23700            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4800 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 25000 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C                                  
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   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 608  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 625  LIES ON A SPECIAL POSITION.                          
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400                                                                      
REMARK 400 THE N-[(5-METHYLISOXAZOL-3-YL)CARBONYL]ALANYL-L-VALYL-N~1~-((1R,2Z)- 
REMARK 400 4-(BENZYLOXY)-4-OXO-1-{[(3R)-2-OXOPYRROLIDIN-3-YL]METHYL}BUT-2-ENYL) 
REMARK 400 -L-LEUCINAMIDE IS PEPTIDE-LIKE, A MEMBER OF INHIBITOR CLASS.         
REMARK 400                                                                      
REMARK 400  GROUP: 1                                                            
REMARK 400   NAME: N-[(5-METHYLISOXAZOL-3-YL)CARBONYL]ALANYL-L-VALYL-N~1~-((1R, 
REMARK 400         2Z)-4-(BENZYLOXY)-4-OXO-1-{[(3R)-2-OXOPYRROLIDIN-3-YL]       
REMARK 400         METHYL}BUT-2-ENYL)-L-LEUCINAMIDE                             
REMARK 400   CHAIN: C                                                           
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     GLY A   302                                                      
REMARK 465     VAL A   303                                                      
REMARK 465     THR A   304                                                      
REMARK 465     PHE A   305                                                      
REMARK 465     GLN A   306                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   627     O    HOH A   632              2.17            
REMARK 500   O    HOH A   643     O    HOH A   651              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    LEU C   4   O   -  C   -  N   ANGL. DEV. =   9.8 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A  33     -131.45     53.23                                   
REMARK 500    HIS A  41        1.75    -66.91                                   
REMARK 500    ASN A  51       69.59   -157.92                                   
REMARK 500    ASN A  84     -122.40     56.33                                   
REMARK 500    TYR A 154     -113.35     52.82                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residues 010 A 401 and PJE A      
REMARK 800  402                                                                 
DBREF  7BQY A    1   306  UNP    P0DTD1   R1AB_SARS2    3264   3569             
DBREF  7BQY C    1     6  PDB    7BQY     7BQY             1      6             
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                                  
SEQRES   1 C    6  02J ALA VAL LEU PJE 010                                      
HET    02J  C   1       8                                                       
HET    PJE  C   5      13                                                       
HET    010  C   6       8                                                       
HETNAM     02J 5-METHYL-1,2-OXAZOLE-3-CARBOXYLIC ACID                           
HETNAM     PJE (E,4S)-4-AZANYL-5-[(3S)-2-OXIDANYLIDENEPYRROLIDIN-3-             
HETNAM   2 PJE  YL]PENT-2-ENOIC ACID                                            
HETNAM     010 PHENYLMETHANOL                                                   
FORMUL   2  02J    C5 H5 N O3                                                   
FORMUL   2  PJE    C9 H14 N2 O3                                                 
FORMUL   2  010    C7 H8 O                                                      
FORMUL   3  HOH   *158(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 THR A   45  MET A   49  5                                   5    
HELIX    4 AA4 ASN A   53  ARG A   60  1                                   8    
HELIX    5 AA5 SER A   62  HIS A   64  5                                   3    
HELIX    6 AA6 ILE A  200  ASN A  214  1                                  15    
HELIX    7 AA7 THR A  226  TYR A  237  1                                  12    
HELIX    8 AA8 THR A  243  LEU A  250  1                                   8    
HELIX    9 AA9 LEU A  250  GLY A  258  1                                   9    
HELIX   10 AB1 ALA A  260  GLY A  275  1                                  16    
HELIX   11 AB2 THR A  292  SER A  301  1                                  10    
SHEET    1 AA1 7 VAL A  73  LEU A  75  0                                        
SHEET    2 AA1 7 PHE A  66  ALA A  70 -1  N  VAL A  68   O  LEU A  75           
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  LEU A  27   N  VAL A  20           
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  ILE A  78   O  LYS A  90           
SHEET    1 AA2 5 LYS A 100  PHE A 103  0                                        
SHEET    2 AA2 5 CYS A 156  GLU A 166  1  O  VAL A 157   N  LYS A 100           
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  VAL A 157   N  LYS A 100           
SHEET    3 AA3 3 HIS A 172  THR A 175 -1  O  ALA A 173   N  MET A 165           
LINK         SG  CYS A 145                 C20 PJE C   5     1555   1555  1.77  
LINK         C   02J C   1                 N   ALA C   2     1555   1555  1.43  
LINK         C   LEU C   4                 N   PJE C   5     1555   1555  1.43  
LINK         C   PJE C   5                 O   010 C   6     1555   1555  1.38  
SITE     1 AC1 10 THR A  26  LEU A  27  PHE A 140  ASN A 142                    
SITE     2 AC1 10 GLY A 143  CYS A 145  HIS A 163  HIS A 164                    
SITE     3 AC1 10 GLU A 166  HIS A 172                                          
CRYST1   96.369   80.474   54.335  90.00 116.52  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      0.010377  0.000000  0.005179        0.00000                         
SCALE2      0.000000  0.012426  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.020569        0.00000