HEADER    VIRAL PROTEIN                           31-MAR-21   7EIN              
TITLE     SARS-COV-2 MAIN PROTEINASE COMPLEX WITH MICROBIAL METABOLITE LEUPEPTIN
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 3C-LIKE PROTEINASE;                                        
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: MAIN PROTEASE,3CL-PRO,3CLP,MPRO,NON-STRUCTURAL PROTEIN 5,   
COMPND   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: LEUPEPTIN;                                                 
COMPND  10 CHAIN: C, D;                                                         
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 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 SYNTHETIC: YES;                                                      
SOURCE  10 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  11 ORGANISM_TAXID: 32630                                                
KEYWDS    SARS-COV-2, MAIN PROTEINASE, VIRAL PROTEIN                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.F.FU,Y.FENG,J.X.QI,G.F.GAO                                          
REVDAT   4   29-NOV-23 7EIN    1       REMARK                                   
REVDAT   3   15-NOV-23 7EIN    1       LINK   ATOM                              
REVDAT   2   16-FEB-22 7EIN    1       JRNL                                     
REVDAT   1   07-JUL-21 7EIN    0                                                
JRNL        AUTH   L.FU,S.SHAO,Y.FENG,F.YE,X.SUN,Q.WANG,F.YU,Q.WANG,B.HUANG,    
JRNL        AUTH 2 P.NIU,X.LI,C.C.L.WONG,J.QI,W.TAN,G.F.GAO                     
JRNL        TITL   MECHANISM OF MICROBIAL METABOLITE LEUPEPTIN IN THE TREATMENT 
JRNL        TITL 2 OF COVID-19 BY TRADITIONAL CHINESE MEDICINE HERBS.           
JRNL        REF    MBIO                          V.  12 22021 2021              
JRNL        REFN                   ESSN 2150-7511                               
JRNL        PMID   34579576                                                     
JRNL        DOI    10.1128/MBIO.02220-21                                        
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.19.2_4158                                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 47.96                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 8.310                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 59085                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.237                           
REMARK   3   R VALUE            (WORKING SET) : 0.235                           
REMARK   3   FREE R VALUE                     : 0.260                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.770                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2817                            
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 47.9600 -  4.6100    0.95     2946   137  0.2134 0.2681        
REMARK   3     2  4.6100 -  3.6600    0.95     2885   150  0.1899 0.2288        
REMARK   3     3  3.6600 -  3.2000    0.96     2863   129  0.2068 0.2540        
REMARK   3     4  3.2000 -  2.9100    0.95     2826   162  0.2248 0.2311        
REMARK   3     5  2.9100 -  2.7000    0.96     2869   105  0.2396 0.2745        
REMARK   3     6  2.7000 -  2.5400    0.96     2873   113  0.2549 0.2767        
REMARK   3     7  2.5400 -  2.4100    0.95     2805   142  0.2407 0.2697        
REMARK   3     8  2.4100 -  2.3100    0.95     2859   140  0.2416 0.3194        
REMARK   3     9  2.3100 -  2.2200    0.95     2827   149  0.2383 0.2354        
REMARK   3    10  2.2200 -  2.1400    0.95     2832   151  0.2349 0.2611        
REMARK   3    11  2.1400 -  2.0700    0.95     2795   155  0.2414 0.2379        
REMARK   3    12  2.0700 -  2.0200    0.96     2843   123  0.2495 0.2593        
REMARK   3    13  2.0200 -  1.9600    0.95     2802   156  0.2453 0.2469        
REMARK   3    14  1.9600 -  1.9100    0.95     2826   156  0.2499 0.2705        
REMARK   3    15  1.9100 -  1.8700    0.96     2846   119  0.2625 0.2773        
REMARK   3    16  1.8700 -  1.8300    0.95     2786   136  0.2625 0.2490        
REMARK   3    17  1.8300 -  1.7900    0.95     2834   143  0.2881 0.2580        
REMARK   3    18  1.7900 -  1.7600    0.94     2749   126  0.2980 0.3503        
REMARK   3    19  1.7600 -  1.7300    0.91     2734   163  0.2952 0.3409        
REMARK   3    20  1.7300 -  1.7000    0.85     2499   131  0.3117 0.3201        
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)     : NULL             
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 37.768           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 19.82                          
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      :  0.009           4797                                  
REMARK   3   ANGLE     :  0.796           6526                                  
REMARK   3   CHIRALITY :  0.066            743                                  
REMARK   3   PLANARITY :  0.004            849                                  
REMARK   3   DIHEDRAL  : 12.805           1730                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 7                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 1 THROUGH 91 )                    
REMARK   3    ORIGIN FOR THE GROUP (A):  20.7200 -26.4301  12.9559              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0962 T22:   0.1567                                     
REMARK   3      T33:   0.1225 T12:   0.0478                                     
REMARK   3      T13:   0.0011 T23:  -0.0157                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.5667 L22:   1.4332                                     
REMARK   3      L33:   1.6744 L12:  -0.5584                                     
REMARK   3      L13:  -0.6986 L23:   0.2770                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0684 S12:  -0.0481 S13:  -0.2201                       
REMARK   3      S21:   0.0343 S22:   0.0068 S23:  -0.1250                       
REMARK   3      S31:   0.1777 S32:   0.2558 S33:   0.0424                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 92 THROUGH 180 )                  
REMARK   3    ORIGIN FOR THE GROUP (A):  11.0187 -18.1087  15.5109              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0578 T22:   0.0914                                     
REMARK   3      T33:   0.0654 T12:   0.0110                                     
REMARK   3      T13:   0.0255 T23:  -0.0075                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.5313 L22:   2.1863                                     
REMARK   3      L33:   1.7786 L12:  -0.6929                                     
REMARK   3      L13:  -0.3605 L23:   0.1263                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0665 S12:   0.0464 S13:  -0.0765                       
REMARK   3      S21:   0.0515 S22:   0.0392 S23:   0.1384                       
REMARK   3      S31:  -0.0240 S32:   0.0796 S33:   0.0156                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 181 THROUGH 300 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  -2.6143   1.4473  15.9600              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1849 T22:   0.1618                                     
REMARK   3      T33:   0.1408 T12:   0.0562                                     
REMARK   3      T13:  -0.0089 T23:   0.0397                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.5382 L22:   1.5392                                     
REMARK   3      L33:   1.4266 L12:  -1.2101                                     
REMARK   3      L13:  -0.2718 L23:   0.2587                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0537 S12:  -0.0644 S13:   0.2625                       
REMARK   3      S21:   0.0710 S22:   0.0831 S23:   0.0604                       
REMARK   3      S31:  -0.3070 S32:  -0.2469 S33:  -0.0226                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: CHAIN 'B' AND (RESID 1 THROUGH 91 )                    
REMARK   3    ORIGIN FOR THE GROUP (A):  -8.6533 -26.3649  42.8703              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0706 T22:   0.0505                                     
REMARK   3      T33:   0.0541 T12:  -0.0124                                     
REMARK   3      T13:  -0.0089 T23:  -0.0088                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.0295 L22:   1.3959                                     
REMARK   3      L33:   1.4522 L12:   0.3316                                     
REMARK   3      L13:  -0.5057 L23:  -0.3704                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0689 S12:   0.0945 S13:  -0.1256                       
REMARK   3      S21:  -0.0998 S22:   0.0266 S23:   0.0440                       
REMARK   3      S31:   0.1576 S32:  -0.0908 S33:   0.0176                       
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    SELECTION: CHAIN 'B' AND (RESID 92 THROUGH 155 )                  
REMARK   3    ORIGIN FOR THE GROUP (A):   2.2793 -19.0594  38.7602              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0680 T22:   0.0559                                     
REMARK   3      T33:   0.0626 T12:  -0.0013                                     
REMARK   3      T13:   0.0091 T23:   0.0005                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.9075 L22:   1.7303                                     
REMARK   3      L33:   1.1301 L12:   0.6415                                     
REMARK   3      L13:  -0.5005 L23:  -0.1824                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0500 S12:   0.0472 S13:  -0.1120                       
REMARK   3      S21:  -0.1203 S22:   0.0165 S23:  -0.0948                       
REMARK   3      S31:   0.0246 S32:   0.0540 S33:   0.0164                       
REMARK   3   TLS GROUP : 6                                                      
REMARK   3    SELECTION: CHAIN 'B' AND (RESID 156 THROUGH 213 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):   1.5466  -9.1123  43.6869              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0697 T22:   0.0225                                     
REMARK   3      T33:   0.0239 T12:  -0.0026                                     
REMARK   3      T13:  -0.0238 T23:   0.0156                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.3335 L22:   0.8926                                     
REMARK   3      L33:   0.8350 L12:   1.0220                                     
REMARK   3      L13:  -0.4087 L23:  -0.1885                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1005 S12:  -0.0210 S13:   0.1399                       
REMARK   3      S21:   0.0264 S22:  -0.0242 S23:   0.0425                       
REMARK   3      S31:  -0.1019 S32:   0.0015 S33:   0.0300                       
REMARK   3   TLS GROUP : 7                                                      
REMARK   3    SELECTION: CHAIN 'B' AND (RESID 214 THROUGH 300 )                 
REMARK   3    ORIGIN FOR THE GROUP (A):  18.4648   3.8480  38.4503              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1866 T22:   0.0863                                     
REMARK   3      T33:   0.1119 T12:  -0.0195                                     
REMARK   3      T13:  -0.0006 T23:   0.0088                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.4061 L22:   1.6681                                     
REMARK   3      L33:   1.3331 L12:   0.8749                                     
REMARK   3      L13:  -0.3655 L23:  -0.3277                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0440 S12:   0.0867 S13:   0.1655                       
REMARK   3      S21:  -0.0970 S22:  -0.0125 S23:   0.0139                       
REMARK   3      S31:  -0.2809 S32:   0.0622 S33:  -0.0013                       
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 7EIN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 02-APR-21.                  
REMARK 100 THE DEPOSITION ID IS D_1300021511.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-MAR-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               : SSRF                               
REMARK 200  BEAMLINE                       : BL17U                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97918                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS EIGER2 XE 16M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 59085                              
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     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 6.800                              
REMARK 200  R MERGE                    (I) : 0.06300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 29.9000                            
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) : 1.76                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.06300                            
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: 7C6S                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 38.22                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 1500, 0.1 M BIS-TRIS, PH 6.5,    
REMARK 280  VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291K                     
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       26.56250            
REMARK 290   SMTRY3   2  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: 4750 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 24640 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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     SER A   301                                                      
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 465     SER B   301                                                      
REMARK 465     GLY B   302                                                      
REMARK 465     VAL B   303                                                      
REMARK 465     THR B   304                                                      
REMARK 465     PHE B   305                                                      
REMARK 465     GLN B   306                                                      
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     TYR A 154    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     ARG A 222    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     TYR B 154    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     ARG B 222    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG B 298    CG   CD   NE   CZ   NH1  NH2                        
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     -129.94     51.58                                   
REMARK 500    ASN A  51       74.32   -160.99                                   
REMARK 500    ASN A  84     -117.20     46.52                                   
REMARK 500    TYR A 154     -100.18     72.83                                   
REMARK 500    ASP B  33     -130.10     54.08                                   
REMARK 500    ASN B  51       73.06   -159.10                                   
REMARK 500    ASN B  84     -119.30     48.73                                   
REMARK 500    TYR B 154      -95.98     69.59                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  7EIN A    1   306  UNP    P0DTC1   R1A_SARS2     3264   3569             
DBREF  7EIN B    1   306  UNP    P0DTC1   R1A_SARS2     3264   3569             
DBREF  7EIN C    1     4  PDB    7EIN     7EIN             1      4             
DBREF  7EIN D    1     4  PDB    7EIN     7EIN             1      4             
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 B  306  SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL          
SEQRES   2 B  306  GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR          
SEQRES   3 B  306  LEU ASN GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO          
SEQRES   4 B  306  ARG HIS VAL ILE CYS THR SER GLU ASP MET LEU ASN PRO          
SEQRES   5 B  306  ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN          
SEQRES   6 B  306  PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE          
SEQRES   7 B  306  GLY HIS SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL          
SEQRES   8 B  306  ASP THR ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL          
SEQRES   9 B  306  ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS          
SEQRES  10 B  306  TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET          
SEQRES  11 B  306  ARG PRO ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY          
SEQRES  12 B  306  SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS          
SEQRES  13 B  306  VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR          
SEQRES  14 B  306  GLY VAL HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR          
SEQRES  15 B  306  GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY          
SEQRES  16 B  306  THR ASP THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU          
SEQRES  17 B  306  TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN          
SEQRES  18 B  306  ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA          
SEQRES  19 B  306  MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL          
SEQRES  20 B  306  ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA          
SEQRES  21 B  306  VAL LEU ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN          
SEQRES  22 B  306  ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU          
SEQRES  23 B  306  LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN          
SEQRES  24 B  306  CYS SER GLY VAL THR PHE GLN                                  
SEQRES   1 C    4  ACY LEU LEU OAR                                              
SEQRES   1 D    4  ACY LEU LEU OAR                                              
HET    ACY  C   1       3                                                       
HET    OAR  C   4      11                                                       
HET    ACY  D   1       3                                                       
HET    OAR  D   4      11                                                       
HETNAM     ACY ACETIC ACID                                                      
HETNAM     OAR N-(4-AMINO-5-HYDROXY-PENTYL)-GUANIDINE                           
FORMUL   3  ACY    2(C2 H4 O2)                                                  
FORMUL   3  OAR    2(C6 H16 N4 O)                                               
FORMUL   5  HOH   *488(H2 O)                                                    
HELIX    1 AA1 SER A   10  GLY A   15  1                                   6    
HELIX    2 AA2 HIS A   41  CYS A   44  5                                   4    
HELIX    3 AA3 GLU A   47  ASN A   51  5                                   5    
HELIX    4 AA4 ASN A   53  ARG A   60  1                                   8    
HELIX    5 AA5 LYS A   61  PHE A   66  5                                   6    
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  CYS A  300  1                                   9    
HELIX   12 AB3 SER B   10  GLY B   15  1                                   6    
HELIX   13 AB4 HIS B   41  CYS B   44  5                                   4    
HELIX   14 AB5 GLU B   47  ASN B   51  5                                   5    
HELIX   15 AB6 ASN B   53  ARG B   60  1                                   8    
HELIX   16 AB7 LYS B   61  PHE B   66  5                                   6    
HELIX   17 AB8 ILE B  200  ASN B  214  1                                  15    
HELIX   18 AB9 THR B  226  TYR B  237  1                                  12    
HELIX   19 AC1 THR B  243  LEU B  250  1                                   8    
HELIX   20 AC2 LEU B  250  GLY B  258  1                                   9    
HELIX   21 AC3 ALA B  260  GLY B  275  1                                  16    
HELIX   22 AC4 THR B  292  CYS B  300  1                                   9    
SHEET    1 AA1 7 VAL A  73  LEU A  75  0                                        
SHEET    2 AA1 7 LEU A  67  ALA A  70 -1  N  VAL A  68   O  LEU A  75           
SHEET    3 AA1 7 MET A  17  CYS A  22 -1  N  GLN A  19   O  GLN A  69           
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  TYR A  37   N  LEU A  30           
SHEET    6 AA1 7 VAL A  86  VAL A  91 -1  O  LEU A  87   N  CYS A  38           
SHEET    7 AA1 7 VAL A  77  GLN A  83 -1  N  GLN A  83   O  VAL A  86           
SHEET    1 AA2 5 TYR A 101  PHE A 103  0                                        
SHEET    2 AA2 5 CYS A 156  GLU A 166  1  O  PHE A 159   N  LYS A 102           
SHEET    3 AA2 5 VAL A 148  ASP A 153 -1  N  ASN A 151   O  SER A 158           
SHEET    4 AA2 5 THR A 111  TYR A 118 -1  N  SER A 113   O  PHE A 150           
SHEET    5 AA2 5 SER A 121  ALA A 129 -1  O  SER A 123   N  ALA A 116           
SHEET    1 AA3 3 TYR A 101  PHE A 103  0                                        
SHEET    2 AA3 3 CYS A 156  GLU A 166  1  O  PHE A 159   N  LYS A 102           
SHEET    3 AA3 3 HIS A 172  THR A 175 -1  O  ALA A 173   N  MET A 165           
SHEET    1 AA4 7 VAL B  73  LEU B  75  0                                        
SHEET    2 AA4 7 LEU B  67  ALA B  70 -1  N  ALA B  70   O  VAL B  73           
SHEET    3 AA4 7 MET B  17  CYS B  22 -1  N  GLN B  19   O  GLN B  69           
SHEET    4 AA4 7 THR B  25  LEU B  32 -1  O  THR B  25   N  CYS B  22           
SHEET    5 AA4 7 VAL B  35  PRO B  39 -1  O  TYR B  37   N  LEU B  30           
SHEET    6 AA4 7 VAL B  86  VAL B  91 -1  O  LEU B  87   N  CYS B  38           
SHEET    7 AA4 7 VAL B  77  GLN B  83 -1  N  GLN B  83   O  VAL B  86           
SHEET    1 AA5 5 TYR B 101  PHE B 103  0                                        
SHEET    2 AA5 5 CYS B 156  GLU B 166  1  O  VAL B 157   N  LYS B 102           
SHEET    3 AA5 5 VAL B 148  ASP B 153 -1  N  ASN B 151   O  SER B 158           
SHEET    4 AA5 5 THR B 111  TYR B 118 -1  N  SER B 113   O  PHE B 150           
SHEET    5 AA5 5 SER B 121  ALA B 129 -1  O  SER B 123   N  ALA B 116           
SHEET    1 AA6 3 TYR B 101  PHE B 103  0                                        
SHEET    2 AA6 3 CYS B 156  GLU B 166  1  O  VAL B 157   N  LYS B 102           
SHEET    3 AA6 3 HIS B 172  THR B 175 -1  O  ALA B 173   N  MET B 165           
LINK         SG  CYS A 145                 C   OAR C   4     1555   1555  1.77  
LINK         SG  CYS B 145                 C   OAR D   4     1555   1555  1.77  
LINK         C   ACY C   1                 N   LEU C   2     1555   1555  1.34  
LINK         C   LEU C   3                 N   OAR C   4     1555   1555  1.33  
LINK         C   ACY D   1                 N   LEU D   2     1555   1555  1.34  
LINK         C   LEU D   3                 N   OAR D   4     1555   1555  1.33  
CRYST1   46.041   53.125  113.635  90.00 101.05  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      0.021720  0.000000  0.004240        0.00000                         
SCALE2      0.000000  0.018824  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008966        0.00000