PDB Short entry for 6M2Q
HEADER    VIRAL PROTEIN                           28-FEB-20   6M2Q              
TITLE     SARS-COV-2 3CL PROTEASE (3CL PRO) APO STRUCTURE (SPACE GROUP C21)     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 3C-LIKE PROTEINASE;                                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: 3CL-PRO, 3CLP, MAIN PROTEASE, MPRO, NON-STRUCTURAL PROTEIN  
COMPND   5 5, NSP5, SARS CORONAVIRUS MAIN PROTEINASE;                           
COMPND   6 EC: 3.4.22.69;                                                       
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS   
SOURCE   3 2;                                                                   
SOURCE   4 ORGANISM_COMMON: 2019-NCOV;                                          
SOURCE   5 ORGANISM_TAXID: 2697049;                                             
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)                                  
KEYWDS    SARS-COV-2, 3CL PRO, VIRAL PROTEIN                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.X.SU,W.F.ZHAO,M.J.LI,H.XIE,Y.C.XU                                   
REVDAT   4   29-NOV-23 6M2Q    1       REMARK                                   
REVDAT   3   03-FEB-21 6M2Q    1       COMPND SOURCE DBREF                      
REVDAT   2   28-OCT-20 6M2Q    1       JRNL                                     
REVDAT   1   15-APR-20 6M2Q    0                                                
JRNL        AUTH   H.X.SU,S.YAO,W.F.ZHAO,M.J.LI,J.LIU,W.J.SHANG,H.XIE,C.Q.KE,   
JRNL        AUTH 2 H.C.HU,M.N.GAO,K.Q.YU,H.LIU,J.S.SHEN,W.TANG,L.K.ZHANG,       
JRNL        AUTH 3 G.F.XIAO,L.NI,D.W.WANG,J.P.ZUO,H.L.JIANG,F.BAI,Y.WU,Y.YE,    
JRNL        AUTH 4 Y.C.XU                                                       
JRNL        TITL   ANTI-SARS-COV-2 ACTIVITIES IN VITRO OF SHUANGHUANGLIAN       
JRNL        TITL 2 PREPARATIONS AND BIOACTIVE INGREDIENTS.                      
JRNL        REF    ACTA PHARMACOL.SIN.           V.  41  1167 2020              
JRNL        REFN                   ESSN 1745-7254                               
JRNL        PMID   32737471                                                     
JRNL        DOI    10.1038/S41401-020-0483-6                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.17.1                                        
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) : 38.42                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.380                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 29169                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.177                           
REMARK   3   R VALUE            (WORKING SET) : 0.176                           
REMARK   3   FREE R VALUE                     : 0.204                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.960                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1446                            
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 38.4230 -  3.6610    1.00     2877   154  0.1462 0.1651        
REMARK   3     2  3.6610 -  2.9061    1.00     2788   174  0.1639 0.1879        
REMARK   3     3  2.9061 -  2.5389    1.00     2788   142  0.1864 0.2158        
REMARK   3     4  2.5389 -  2.3068    0.99     2799   141  0.1885 0.2490        
REMARK   3     5  2.3068 -  2.1415    0.99     2774   126  0.1858 0.2044        
REMARK   3     6  2.1415 -  2.0152    0.99     2750   150  0.1881 0.2322        
REMARK   3     7  2.0152 -  1.9143    0.99     2727   146  0.2028 0.2488        
REMARK   3     8  1.9143 -  1.8310    0.98     2780   138  0.2258 0.2737        
REMARK   3     9  1.8310 -  1.7605    0.98     2738   119  0.2363 0.2591        
REMARK   3    10  1.7605 -  1.7000    0.98     2702   156  0.2548 0.3158        
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)     : 0.210            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.160           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.33                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 32.98                          
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      :  0.004           2411                                  
REMARK   3   ANGLE     :  0.680           3283                                  
REMARK   3   CHIRALITY :  0.045            374                                  
REMARK   3   PLANARITY :  0.005            427                                  
REMARK   3   DIHEDRAL  : 12.639           1422                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 8                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 1 THROUGH 43 )                    
REMARK   3    ORIGIN FOR THE GROUP (A): 114.1290 -24.9040  53.5999              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2087 T22:   0.1359                                     
REMARK   3      T33:   0.1880 T12:   0.0296                                     
REMARK   3      T13:   0.0048 T23:  -0.0024                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.3976 L22:   1.9604                                     
REMARK   3      L33:   2.9191 L12:  -0.4941                                     
REMARK   3      L13:   1.8091 L23:  -1.0631                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2683 S12:  -0.0843 S13:  -0.3093                       
REMARK   3      S21:  -0.1705 S22:  -0.0031 S23:   0.1505                       
REMARK   3      S31:   0.6407 S32:   0.0299 S33:  -0.2356                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 44 THROUGH 70 )                   
REMARK   3    ORIGIN FOR THE GROUP (A): 122.0433 -26.4620  70.9084              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3742 T22:   0.3207                                     
REMARK   3      T33:   0.2957 T12:   0.0324                                     
REMARK   3      T13:  -0.0210 T23:   0.0494                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   4.2901 L22:   2.2043                                     
REMARK   3      L33:   3.1100 L12:   3.4697                                     
REMARK   3      L13:   0.9256 L23:   1.5548                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1941 S12:  -0.5502 S13:  -0.1917                       
REMARK   3      S21:   0.2369 S22:  -0.1452 S23:   0.1202                       
REMARK   3      S31:   0.4935 S32:  -0.1619 S33:  -0.0272                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 71 THROUGH 99 )                   
REMARK   3    ORIGIN FOR THE GROUP (A): 119.9788 -34.4575  58.0941              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.4143 T22:   0.2246                                     
REMARK   3      T33:   0.2975 T12:   0.0658                                     
REMARK   3      T13:  -0.0244 T23:   0.0438                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.8410 L22:   4.0071                                     
REMARK   3      L33:   3.6446 L12:  -0.1517                                     
REMARK   3      L13:   1.5860 L23:   0.1842                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.3381 S12:  -0.1194 S13:  -0.5004                       
REMARK   3      S21:   0.0841 S22:  -0.1444 S23:   0.0844                       
REMARK   3      S31:   0.8724 S32:  -0.0128 S33:  -0.1723                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 100 THROUGH 180 )                 
REMARK   3    ORIGIN FOR THE GROUP (A): 117.6652 -16.8780  51.3439              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1240 T22:   0.1397                                     
REMARK   3      T33:   0.1354 T12:   0.0215                                     
REMARK   3      T13:  -0.0005 T23:   0.0195                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.9550 L22:   4.3854                                     
REMARK   3      L33:   3.8573 L12:   0.7861                                     
REMARK   3      L13:   1.4688 L23:   0.0575                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0070 S12:  -0.0059 S13:   0.0009                       
REMARK   3      S21:  -0.2002 S22:   0.0356 S23:   0.0461                       
REMARK   3      S31:   0.1355 S32:   0.2988 S33:  -0.0237                       
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 181 THROUGH 213 )                 
REMARK   3    ORIGIN FOR THE GROUP (A): 121.2359  -5.1385  48.5617              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1978 T22:   0.1818                                     
REMARK   3      T33:   0.1727 T12:  -0.0742                                     
REMARK   3      T13:   0.0040 T23:  -0.0054                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.5398 L22:   1.5331                                     
REMARK   3      L33:   3.9928 L12:  -0.5965                                     
REMARK   3      L13:   1.3777 L23:  -1.9544                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1944 S12:   0.1313 S13:   0.1668                       
REMARK   3      S21:   0.2638 S22:  -0.1045 S23:  -0.2014                       
REMARK   3      S31:  -0.6246 S32:   0.4699 S33:   0.2970                       
REMARK   3   TLS GROUP : 6                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 214 THROUGH 236 )                 
REMARK   3    ORIGIN FOR THE GROUP (A): 120.6189   8.2712  32.5347              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.4467 T22:   0.4006                                     
REMARK   3      T33:   0.3225 T12:  -0.1693                                     
REMARK   3      T13:  -0.0491 T23:   0.1345                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   4.3648 L22:   2.5366                                     
REMARK   3      L33:   2.2462 L12:   0.4300                                     
REMARK   3      L13:  -0.5922 L23:   0.2127                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0129 S12:   0.3593 S13:   0.3607                       
REMARK   3      S21:  -0.1260 S22:  -0.0591 S23:  -0.3966                       
REMARK   3      S31:  -0.5680 S32:   0.2574 S33:   0.0233                       
REMARK   3   TLS GROUP : 7                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 237 THROUGH 274 )                 
REMARK   3    ORIGIN FOR THE GROUP (A): 122.7014   2.7076  32.5981              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2831 T22:   0.4181                                     
REMARK   3      T33:   0.2453 T12:  -0.1659                                     
REMARK   3      T13:  -0.0276 T23:   0.0800                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.2495 L22:   1.9882                                     
REMARK   3      L33:   3.7150 L12:  -0.7030                                     
REMARK   3      L13:  -0.4602 L23:   0.6643                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1150 S12:   0.6655 S13:   0.3892                       
REMARK   3      S21:  -0.0856 S22:   0.0747 S23:  -0.1663                       
REMARK   3      S31:  -0.4506 S32:   0.3871 S33:   0.0602                       
REMARK   3   TLS GROUP : 8                                                      
REMARK   3    SELECTION: CHAIN 'A' AND (RESID 275 THROUGH 305 )                 
REMARK   3    ORIGIN FOR THE GROUP (A): 112.0051  -4.7814  36.0649              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1538 T22:   0.2652                                     
REMARK   3      T33:   0.1449 T12:  -0.0938                                     
REMARK   3      T13:   0.0205 T23:   0.0386                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   5.8877 L22:   6.6896                                     
REMARK   3      L33:   6.4397 L12:  -2.8076                                     
REMARK   3      L13:  -0.7752 L23:   1.9895                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0014 S12:   0.3812 S13:  -0.1270                       
REMARK   3      S21:   0.0337 S22:  -0.2886 S23:   0.3180                       
REMARK   3      S31:   0.2439 S32:  -0.2800 S33:   0.2236                       
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 6M2Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 03-MAR-20.                  
REMARK 100 THE DEPOSITION ID IS D_1300015957.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-FEB-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                       : BL18U1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9793                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 S 6M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29174                              
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     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 6.700                              
REMARK 200  R MERGE                    (I) : 0.07700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 4.0000                             
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     (%) : 98.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.90100                            
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 2.5.6                                          
REMARK 200 STARTING MODEL: 6LU7                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 38.35                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM MES, PH5.8, 10% PEG6000, 3%        
REMARK 280  DMSO, 1MM DTT, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       57.43400            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       26.80000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       57.43400            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       26.80000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3060 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 24780 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL                        
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   BIOMT1   2 -1.000000  0.000000  0.000000      212.29297            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       87.69201            
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 460  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 565  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 575  LIES ON A SPECIAL POSITION.                          
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     GLN A   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     GLU A  47    CG   CD   OE1  OE2                                  
REMARK 470     ASN A  72    CG   OD1  ND2                                       
REMARK 470     TYR A 154    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     ASN A 221    CG   OD1  ND2                                       
REMARK 470     ARG A 222    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     -130.06     52.32                                   
REMARK 500    ASN A  51       68.67   -161.95                                   
REMARK 500    ASN A  84     -117.22     53.56                                   
REMARK 500    TYR A 154     -104.85     55.46                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  6M2Q A    1   306  UNP    P0DTD1   R1AB_SARS2    3264   3569             
SEQRES   1 A  306  SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL          
SEQRES   2 A  306  GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR          
SEQRES   3 A  306  LEU ASN GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO          
SEQRES   4 A  306  ARG HIS VAL ILE CYS THR SER GLU ASP MET LEU ASN PRO          
SEQRES   5 A  306  ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN          
SEQRES   6 A  306  PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE          
SEQRES   7 A  306  GLY HIS SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL          
SEQRES   8 A  306  ASP THR ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL          
SEQRES   9 A  306  ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS          
SEQRES  10 A  306  TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET          
SEQRES  11 A  306  ARG PRO ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY          
SEQRES  12 A  306  SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS          
SEQRES  13 A  306  VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR          
SEQRES  14 A  306  GLY VAL HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR          
SEQRES  15 A  306  GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY          
SEQRES  16 A  306  THR ASP THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU          
SEQRES  17 A  306  TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN          
SEQRES  18 A  306  ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA          
SEQRES  19 A  306  MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL          
SEQRES  20 A  306  ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA          
SEQRES  21 A  306  VAL LEU ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN          
SEQRES  22 A  306  ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU          
SEQRES  23 A  306  LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN          
SEQRES  24 A  306  CYS SER GLY VAL THR PHE GLN                                  
FORMUL   2  HOH   *223(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 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  GLY A  302  1                                  11    
SHEET    1 AA1 7 VAL A  73  LEU A  75  0                                        
SHEET    2 AA1 7 PHE A  66  ALA A  70 -1  N  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  TYR A  37   N  LEU A  30           
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  SER A  81   O  LYS A  88           
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           
CRYST1  114.868   53.600   44.705  90.00 101.25  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      0.008706  0.000000  0.001731        0.00000                         
SCALE2      0.000000  0.018657  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022807        0.00000