HEADER    HYDROLASE                               22-JUL-05   2BX4              
TITLE     CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE (P21212)        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 3C-LIKE PROTEINASE NSP5;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 3241-3546;                                        
COMPND   5 SYNONYM: 3CL-PRO,3CLP,MAIN PROTEASE,MPRO,NON-STRUCTURAL PROTEIN 5,   
COMPND   6 NSP5,SARS CORONAVIRUS MAIN PROTEINASE;                               
COMPND   7 EC: 3.4.22.69;                                                       
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SARS CORONAVIRUS SIN2774;                       
SOURCE   3 ORGANISM_TAXID: 235410;                                              
SOURCE   4 GENE: 1A;                                                            
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: TUNER (DE3);                               
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    HYDROLASE, ANTI-PARALLEL B-BARREL, ANTI-PARALLEL A- HELICES, VIRAL    
KEYWDS   2 PROTEIN                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.H.G.VERSCHUEREN,J.R.MESTERS,J.BIGALKE,R.HILGENFELD                  
REVDAT   7   31-JAN-24 2BX4    1       REMARK                                   
REVDAT   6   07-DEC-22 2BX4    1       COMPND SOURCE DBREF                      
REVDAT   5   24-JUL-19 2BX4    1       REMARK                                   
REVDAT   4   13-JUL-11 2BX4    1       VERSN                                    
REVDAT   3   24-FEB-09 2BX4    1       VERSN                                    
REVDAT   2   02-NOV-05 2BX4    1       AUTHOR JRNL                              
REVDAT   1   26-SEP-05 2BX4    0                                                
JRNL        AUTH   J.TAN,K.H.G.VERSCHUEREN,K.ANAND,J.SHEN,M.YANG,Y.XU,Z.RAO,    
JRNL        AUTH 2 J.BIGALKE,B.HEISEN,J.R.MESTERS,K.CHEN,X.SHEN,H.JIANG,        
JRNL        AUTH 3 R.HILGENFELD                                                 
JRNL        TITL   PH-DEPENDENT CONFORMATIONAL FLEXIBILITY OF THE SARS-COV MAIN 
JRNL        TITL 2 PROTEINASE (M(PRO)) DIMER: MOLECULAR DYNAMICS SIMULATIONS    
JRNL        TITL 3 AND MULTIPLE X-RAY STRUCTURE ANALYSES.                       
JRNL        REF    J.MOL.BIOL.                   V. 354    25 2005              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   16242152                                                     
JRNL        DOI    10.1016/J.JMB.2005.09.012                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.79 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.79                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 108.46                         
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 5910                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.221                           
REMARK   3   R VALUE            (WORKING SET) : 0.208                           
REMARK   3   FREE R VALUE                     : 0.302                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 14.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 964                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.79                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.86                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 368                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 88.51                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2650                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 71                           
REMARK   3   BIN FREE R VALUE                    : 0.3560                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2316                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 46                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : 76.24                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 56.12                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.18000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : -1.18000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.563         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.435         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 44.175        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.938                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.873                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2368 ; 0.015 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3218 ; 1.360 ; 1.948       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   297 ; 4.093 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   107 ;33.379 ;24.299       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   385 ;15.352 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    12 ;12.557 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   364 ; 0.025 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1803 ; 0.000 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   985 ; 0.123 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1586 ; 0.289 ; 0.500       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   127 ; 0.148 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    62 ; 0.086 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    13 ; 0.174 ; 0.500       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1534 ; 0.143 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2391 ; 0.248 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   962 ; 0.247 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   827 ; 0.391 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 6                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     3        A     8                          
REMARK   3    ORIGIN FOR THE GROUP (A):   1.2366   5.5530  18.1928              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0099 T22:   0.1303                                     
REMARK   3      T33:   0.0111 T12:   0.1200                                     
REMARK   3      T13:  -0.1176 T23:  -0.2848                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  32.7831 L22:   2.1454                                     
REMARK   3      L33:  53.0145 L12:   7.3754                                     
REMARK   3      L13: -13.2933 L23:  -7.8023                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1407 S12:  -2.0291 S13:   2.4547                       
REMARK   3      S21:   0.5856 S22:  -0.0967 S23:   0.3838                       
REMARK   3      S31:  -1.4549 S32:  -1.3295 S33:   0.2373                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     9        A    98                          
REMARK   3    ORIGIN FOR THE GROUP (A):  15.8558 -15.6365   0.3632              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2262 T22:   0.0690                                     
REMARK   3      T33:  -0.0029 T12:   0.1802                                     
REMARK   3      T13:  -0.0688 T23:  -0.1241                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   8.8952 L22:   6.8243                                     
REMARK   3      L33:   4.9829 L12:  -6.2869                                     
REMARK   3      L13:   0.9085 L23:   0.2114                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.8683 S12:   1.0205 S13:  -0.8183                       
REMARK   3      S21:  -0.9141 S22:  -0.5676 S23:   0.0746                       
REMARK   3      S31:   1.2580 S32:   0.4094 S33:  -0.3007                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    99        A   188                          
REMARK   3    ORIGIN FOR THE GROUP (A):  13.5832  -5.2689  13.2369              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.2806 T22:  -0.2899                                     
REMARK   3      T33:  -0.2193 T12:   0.0579                                     
REMARK   3      T13:  -0.0075 T23:  -0.0715                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   9.2237 L22:   5.1728                                     
REMARK   3      L33:   7.7828 L12:  -4.2698                                     
REMARK   3      L13:   3.2031 L23:   1.4174                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.2700 S12:  -0.3868 S13:  -0.0081                       
REMARK   3      S21:   0.3453 S22:   0.3447 S23:  -0.3801                       
REMARK   3      S31:   0.2310 S32:   0.1788 S33:  -0.0747                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   189        A   200                          
REMARK   3    ORIGIN FOR THE GROUP (A):  19.6233  -9.9461  26.7271              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.5642 T22:   0.5161                                     
REMARK   3      T33:   0.0913 T12:   0.5865                                     
REMARK   3      T13:  -0.1740 T23:  -0.1575                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4789 L22:  47.7220                                     
REMARK   3      L33:   3.4136 L12:  -1.0461                                     
REMARK   3      L13:  -1.1779 L23:   7.4184                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.3920 S12:   0.0580 S13:   0.2644                       
REMARK   3      S21:   0.7964 S22:  -1.2769 S23:   0.0735                       
REMARK   3      S31:   1.7350 S32:   0.9308 S33:   0.8849                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   201        A   269                          
REMARK   3    ORIGIN FOR THE GROUP (A):  13.2156  14.5159  32.8522              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1793 T22:  -0.0330                                     
REMARK   3      T33:   0.1083 T12:   0.0458                                     
REMARK   3      T13:  -0.1927 T23:  -0.2104                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  10.3234 L22:   7.9684                                     
REMARK   3      L33:   9.2496 L12:  -3.3574                                     
REMARK   3      L13:   1.6726 L23:  -1.8080                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.3722 S12:  -0.3823 S13:   0.6395                       
REMARK   3      S21:   0.7307 S22:  -0.3224 S23:   0.1034                       
REMARK   3      S31:  -0.9619 S32:   0.0057 S33:   0.6946                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 6                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   270        A   300                          
REMARK   3    ORIGIN FOR THE GROUP (A):   5.6919   8.4480  30.5950              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0223 T22:   0.1360                                     
REMARK   3      T33:   0.4869 T12:   0.0263                                     
REMARK   3      T13:  -0.0756 T23:  -0.4005                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:  10.8504 L22:   8.8297                                     
REMARK   3      L33:  21.6063 L12:  -2.7056                                     
REMARK   3      L13:   1.0953 L23:  -1.2449                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0740 S12:  -0.4675 S13:  -0.5388                       
REMARK   3      S21:   0.1345 S22:  -0.6887 S23:   1.5703                       
REMARK   3      S31:   0.5265 S32:  -1.7591 S33:   0.7628                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2BX4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 22-JUL-05.                  
REMARK 100 THE DEPOSITION ID IS D_1290025017.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-JUN-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 6.60                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8125                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 6890                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.790                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 108.000                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.1                               
REMARK 200  DATA REDUNDANCY                : 6.900                              
REMARK 200  R MERGE                    (I) : 0.07000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.79                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.87                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 77.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.33000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1UJ1                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 36.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.60                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+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       54.11500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       22.27850            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       54.11500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       22.27850            
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: 2410 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 25740 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.7 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        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 A2002  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     SER A     1                                                      
REMARK 465     GLY A     2                                                      
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 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     54.18                                   
REMARK 500    ASP A  34       46.51   -100.59                                   
REMARK 500    THR A  45       58.74   -115.51                                   
REMARK 500    ALA A  46      -53.42     55.53                                   
REMARK 500    ASN A  51       88.04   -162.03                                   
REMARK 500    ALA A  70       64.84   -102.20                                   
REMARK 500    LEU A  75     -157.32    -93.66                                   
REMARK 500    ASN A  84     -102.41     57.86                                   
REMARK 500    HIS A 134        8.08     82.66                                   
REMARK 500    LYS A 137       46.58    -96.18                                   
REMARK 500    SER A 139      -57.60     51.81                                   
REMARK 500    TYR A 154      -89.63     59.33                                   
REMARK 500    PRO A 168       -5.04    -52.90                                   
REMARK 500    GLN A 189       85.26    -68.57                                   
REMARK 500    ALA A 191       89.33    -68.90                                   
REMARK 500    ARG A 217      -10.93   -140.31                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2005        DISTANCE =  9.58 ANGSTROMS                       
REMARK 525    HOH A2007        DISTANCE =  6.67 ANGSTROMS                       
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN               
REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW,          
REMARK 700 TWO SHEETS ARE DEFINED.                                              
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1O5S   RELATED DB: PDB                                   
REMARK 900 STRUCTURE MODEL OF THE CATALYTIC DOMAIN OF SARS-                     
REMARK 900 CORONAVIRUSPOLYMERASE                                                
REMARK 900 RELATED ID: 1P4X   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF SARS PROTEIN FROM STAPHYLOCOCCUS AUREUS         
REMARK 900 RELATED ID: 1P76   RELATED DB: PDB                                   
REMARK 900 3D STRUCTURE OF THE SUBSTRATE-BOUND SARS CHYMOTRYPSIN-LIKECYSTEINE   
REMARK 900 PROTEINASE                                                           
REMARK 900 RELATED ID: 1P9S   RELATED DB: PDB                                   
REMARK 900 CORONAVIRUS MAIN PROTEINASE (3CLPRO) STRUCTURE : BASIS FORDESIGN OF  
REMARK 900 ANTI-SARS DRUGS                                                      
REMARK 900 RELATED ID: 1P9T   RELATED DB: PDB                                   
REMARK 900 CORONAVIRUS MAIN PROTEINASE (3CLPRO) STRUCTURE : BASIS FORDESIGN OF  
REMARK 900 ANTI-SARS DRUGS                                                      
REMARK 900 RELATED ID: 1P9U   RELATED DB: PDB                                   
REMARK 900 CORONAVIRUS MAIN PROTEINASE (3CLPRO) STRUCTURE : BASIS FORDESIGN OF  
REMARK 900 ANTI-SARS DRUGS                                                      
REMARK 900 RELATED ID: 1PA5   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF SARS CORONAVIRUS PROTEINASE                             
REMARK 900 RELATED ID: 1PUK   RELATED DB: PDB                                   
REMARK 900 3C-LIKE PROTEINASE DOMAIN STRUCTURE OF HUMAN CORONAVIRUS(STRAIN      
REMARK 900 SARS) MODELED IN-SILICO                                              
REMARK 900 RELATED ID: 1Q1X   RELATED DB: PDB                                   
REMARK 900 CORONAVIRUS MAIN PROTEINASE (3CLPRO) STRUCTURE : BASIS FORDESIGN OF  
REMARK 900 ANTI-SARS LIGANDS                                                    
REMARK 900 RELATED ID: 1Q2W   RELATED DB: PDB                                   
REMARK 900 X-RAY CRYSTAL STRUCTURE OF THE SARS CORONAVIRUS MAINPROTEASE         
REMARK 900 RELATED ID: 1Q4Z   RELATED DB: PDB                                   
REMARK 900 S1 SUBUNIT MODEL OF SARS CORONAVIRUS S PROTEIN                       
REMARK 900 RELATED ID: 1QZ8   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS NSP9                           
REMARK 900 RELATED ID: 1SSK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE N-TERMINAL RNA-BINDING DOMAIN OF THE SARSCOV        
REMARK 900 NUCLEOCAPSID PROTEIN                                                 
REMARK 900 RELATED ID: 1SXF   RELATED DB: PDB                                   
REMARK 900 HOMOLOGY MODEL FOR HUMAN SARS-CORONAVIRUS RNA-DEPENDENT              
REMARK 900 RNAPOLYMERASE                                                        
REMARK 900 RELATED ID: 1UJ1   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE(3CLPRO)        
REMARK 900 RELATED ID: 1UK2   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE(3CLPRO) AT     
REMARK 900 PH8.0                                                                
REMARK 900 RELATED ID: 1UK3   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE(3CLPRO) AT     
REMARK 900 PH7.6                                                                
REMARK 900 RELATED ID: 1UK4   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE(3CLPRO)        
REMARK 900 COMPLEXED WITH AN INHIBITOR                                          
REMARK 900 RELATED ID: 1UW7   RELATED DB: PDB                                   
REMARK 900 NSP9 REPLICASE PROTEIN FROM SARS-CORONAVIRUS.                        
REMARK 900 RELATED ID: 1WNC   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE SARS-COV SPIKE PROTEIN FUSION CORE          
REMARK 900 RELATED ID: 1XAK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE SARS-CORONAVIRUS ORF7A ACCESSORY PROTEIN            
REMARK 900 RELATED ID: 1XJP   RELATED DB: PDB                                   
REMARK 900 MOLECULAR DOCKING MODEL OF SARS CORONAVIRUS SPIKE PROTEINS1 SUBUNIT  
REMARK 900 WITH ITS RECEPTOR, ACE2                                              
REMARK 900 RELATED ID: 1XJR   RELATED DB: PDB                                   
REMARK 900 THE STRUCTURE OF A RIGOROUSLY CONSERVED RNA ELEMENT WITHINTHE SARS   
REMARK 900 VIRUS GENOME                                                         
REMARK 900 RELATED ID: 2BW6   RELATED DB: PDB                                   
REMARK 900 THE STRUCTURE OF SARS 3C LIKE PROTEASE AT 1.9A                       
REMARK 900 RELATED ID: 2BX3   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF SARS CORONAVIRUS MAIN PROTEINASE (P21212)       
DBREF  2BX4 A    1   306  UNP    P0C6U8   R1A_SARS      3241   3546             
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 THR VAL TYR CYS PRO          
SEQRES   4 A  306  ARG HIS VAL ILE CYS THR ALA GLU ASP MET LEU ASN PRO          
SEQRES   5 A  306  ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS SER          
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 LEU LEU ARG LEU LYS VAL          
SEQRES   8 A  306  ASP THR SER 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 HIS 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 LYS 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 LEU 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 ALA LEU LYS GLU LEU LEU GLN          
SEQRES  22 A  306  ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER THR ILE          
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   *46(H2 O)                                                     
HELIX    1   1 SER A   10  GLY A   15  1                                   6    
HELIX    2   2 HIS A   41  CYS A   44  5                                   4    
HELIX    3   3 GLU A   47  ASN A   51  5                                   5    
HELIX    4   4 ASN A   53  ARG A   60  1                                   8    
HELIX    5   5 SER A   62  PHE A   66  5                                   5    
HELIX    6   6 ILE A  200  GLY A  215  1                                  16    
HELIX    7   7 THR A  226  TYR A  237  1                                  12    
HELIX    8   8 THR A  243  GLY A  258  1                                  16    
HELIX    9   9 ALA A  260  ASN A  274  1                                  15    
HELIX   10  10 THR A  292  GLN A  299  1                                   8    
SHEET    1  AA 7 VAL A  73  GLN A  74  0                                        
SHEET    2  AA 7 LEU A  67  ALA A  70 -1  O  ALA A  70   N  VAL A  73           
SHEET    3  AA 7 MET A  17  CYS A  22 -1  O  GLN A  19   N  GLN A  69           
SHEET    4  AA 7 THR A  25  LEU A  32 -1  O  THR A  25   N  CYS A  22           
SHEET    5  AA 7 THR A  35  PRO A  39 -1  O  THR A  35   N  LEU A  32           
SHEET    6  AA 7 LEU A  86  VAL A  91 -1  O  LEU A  87   N  CYS A  38           
SHEET    7  AA 7 VAL A  77  GLN A  83 -1  N  ILE A  78   O  LYS A  90           
SHEET    1  AB 5 LYS A 100  PHE A 103  0                                        
SHEET    2  AB 5 CYS A 156  GLU A 166  1  O  VAL A 157   N  LYS A 102           
SHEET    3  AB 5 VAL A 148  ASP A 153 -1  O  GLY A 149   N  CYS A 160           
SHEET    4  AB 5 THR A 111  TYR A 118 -1  O  SER A 113   N  PHE A 150           
SHEET    5  AB 5 SER A 121  ALA A 129 -1  O  SER A 121   N  TYR A 118           
SHEET    1  AC 3 LYS A 100  PHE A 103  0                                        
SHEET    2  AC 3 CYS A 156  GLU A 166  1  O  VAL A 157   N  LYS A 102           
SHEET    3  AC 3 HIS A 172  THR A 175 -1  O  ALA A 173   N  MET A 165           
CRYST1  108.230   44.557   54.198  90.00  90.00  90.00 P 21 21 2     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      0.009240  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.022443  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.018451        0.00000