HEADER    VIRAL PROTEIN                           07-FEB-22   7TWX              
TITLE     CRYSTAL STRUCTURE OF SARS-COV-2 NSP3 MACRODOMAIN IN COMPLEX WITH ADP- 
TITLE    2 RIBOSE AT PH 7 (P43 CRYSTAL FORM)                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NON-STRUCTURAL PROTEIN 3;                                  
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: NSP3, PL2-PRO, PAPAIN-LIKE PROTEASE, PAPAIN-LIKE PROTEINASE,
COMPND   5 PL-PRO;                                                              
COMPND   6 EC: 3.4.19.121, 3.4.22.-;                                            
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS   
SOURCE   3 2;                                                                   
SOURCE   4 ORGANISM_TAXID: 2697049;                                             
SOURCE   5 GENE: REP, 1A-1B;                                                    
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008                                      
KEYWDS    SARS-COV-2, ROOM TEMPERATURE DIFFRACTION, PROTEIN DYNAMICS, WATER     
KEYWDS   2 NETWORKS, VIRAL PROTEIN                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.J.CORREY,J.S.FRASER                                                 
REVDAT   2   18-OCT-23 7TWX    1       REMARK                                   
REVDAT   1   23-FEB-22 7TWX    0                                                
JRNL        AUTH   G.J.CORREY,J.S.FRASER                                        
JRNL        TITL   CRYSTAL STRUCTURE OF SARS-COV-2 NSP3 MACRODOMAIN IN COMPLEX  
JRNL        TITL 2 WITH ADP-RIBOSE AT PH 7 (P43 CRYSTAL FORM)                   
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    0.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.20_4459                                     
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) : 0.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.23                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.350                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 227327                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.096                           
REMARK   3   R VALUE            (WORKING SET) : 0.095                           
REMARK   3   FREE R VALUE                     : 0.109                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.850                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 11034                           
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 44.2300 -  2.8000    1.00     7478   368  0.1184 0.1442        
REMARK   3     2  2.8000 -  2.2200    1.00     7296   358  0.1097 0.1291        
REMARK   3     3  2.2200 -  1.9400    1.00     7276   402  0.1065 0.1150        
REMARK   3     4  1.9400 -  1.7600    1.00     7229   394  0.1032 0.1184        
REMARK   3     5  1.7600 -  1.6400    1.00     7275   337  0.0998 0.1114        
REMARK   3     6  1.6400 -  1.5400    1.00     7243   368  0.0917 0.1024        
REMARK   3     7  1.5400 -  1.4600    1.00     7245   368  0.0858 0.0843        
REMARK   3     8  1.4600 -  1.4000    1.00     7221   364  0.0889 0.0897        
REMARK   3     9  1.4000 -  1.3500    1.00     7218   346  0.0867 0.0900        
REMARK   3    10  1.3500 -  1.3000    1.00     7184   408  0.0853 0.0922        
REMARK   3    11  1.3000 -  1.2600    1.00     7221   346  0.0826 0.0944        
REMARK   3    12  1.2600 -  1.2200    1.00     7236   350  0.0796 0.0876        
REMARK   3    13  1.2200 -  1.1900    1.00     7188   378  0.0766 0.0886        
REMARK   3    14  1.1900 -  1.1600    1.00     7181   369  0.0752 0.0867        
REMARK   3    15  1.1600 -  1.1300    1.00     7201   347  0.0722 0.0762        
REMARK   3    16  1.1300 -  1.1100    1.00     7213   343  0.0711 0.0810        
REMARK   3    17  1.1100 -  1.0900    1.00     7232   379  0.0712 0.0884        
REMARK   3    18  1.0900 -  1.0700    1.00     7149   344  0.0720 0.0819        
REMARK   3    19  1.0700 -  1.0500    1.00     7191   392  0.0739 0.0945        
REMARK   3    20  1.0500 -  1.0300    1.00     7150   408  0.0739 0.0832        
REMARK   3    21  1.0300 -  1.0100    1.00     7239   317  0.0763 0.1005        
REMARK   3    22  1.0100 -  1.0000    1.00     7157   360  0.0810 0.0932        
REMARK   3    23  1.0000 -  0.9800    1.00     7204   363  0.0808 0.0955        
REMARK   3    24  0.9800 -  0.9700    1.00     7153   367  0.0840 0.1001        
REMARK   3    25  0.9700 -  0.9600    1.00     7230   377  0.0886 0.0992        
REMARK   3    26  0.9600 -  0.9400    1.00     7135   389  0.0889 0.1010        
REMARK   3    27  0.9400 -  0.9300    1.00     7190   355  0.0916 0.1098        
REMARK   3    28  0.9300 -  0.9200    1.00     7122   406  0.0963 0.1097        
REMARK   3    29  0.9200 -  0.9100    1.00     7201   358  0.0972 0.1166        
REMARK   3    30  0.9100 -  0.9000    0.98     7035   373  0.1082 0.1010        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.10                                          
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)     : 0.040            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 5.298            
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 6.89                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 11.88                          
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      :  0.010           2968                                  
REMARK   3   ANGLE     :  1.192           4088                                  
REMARK   3   CHIRALITY :  0.085            468                                  
REMARK   3   PLANARITY :  0.011            540                                  
REMARK   3   DIHEDRAL  : 13.296           1090                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
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 7TWX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-FEB-22.                  
REMARK 100 THE DEPOSITION ID IS D_1000263045.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUN-21                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 9.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.3.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.7749                             
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 : XDS FEB 5, 2021                    
REMARK 200  DATA SCALING SOFTWARE          : XDS FEB 5, 2021                    
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 227330                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 0.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 44.230                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 6.600                              
REMARK 200  R MERGE                    (I) : 0.02632                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 36.0300                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 0.93                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.15700                            
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 2.8.3                                          
REMARK 200 STARTING MODEL: 7KQO                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.73                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM CHES PH 9.5, 28% PEG 3000,        
REMARK 280  VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y,X,Z+3/4                                              
REMARK 290       4555   Y,-X,Z+1/4                                              
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       19.96200            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       29.94300            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        9.98100            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
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     1                                                      
REMARK 465     SER B     1                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ILE A  106   N    CA   C    O    CB   CG1  CG2                   
REMARK 480     ILE A  106   CD1                                                 
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    HIS A  86     -133.02     55.63                                   
REMARK 500    SER A 128       -1.76     68.61                                   
REMARK 500    HIS B  86     -129.94     55.72                                   
REMARK 500    HIS B  86     -127.33     55.72                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG B 141         0.10    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 654        DISTANCE =  5.85 ANGSTROMS                       
REMARK 525    HOH A 655        DISTANCE =  5.98 ANGSTROMS                       
REMARK 525    HOH A 656        DISTANCE =  6.07 ANGSTROMS                       
REMARK 525    HOH A 657        DISTANCE =  6.18 ANGSTROMS                       
REMARK 525    HOH A 658        DISTANCE =  6.19 ANGSTROMS                       
REMARK 525    HOH A 659        DISTANCE =  6.35 ANGSTROMS                       
REMARK 525    HOH A 660        DISTANCE =  6.63 ANGSTROMS                       
REMARK 525    HOH A 661        DISTANCE =  6.64 ANGSTROMS                       
REMARK 525    HOH A 662        DISTANCE =  6.90 ANGSTROMS                       
REMARK 525    HOH A 663        DISTANCE =  6.96 ANGSTROMS                       
REMARK 525    HOH A 664        DISTANCE =  6.99 ANGSTROMS                       
REMARK 525    HOH A 665        DISTANCE =  7.08 ANGSTROMS                       
REMARK 525    HOH A 666        DISTANCE =  7.66 ANGSTROMS                       
REMARK 525    HOH A 667        DISTANCE =  7.74 ANGSTROMS                       
REMARK 525    HOH B 588        DISTANCE =  5.90 ANGSTROMS                       
REMARK 525    HOH B 589        DISTANCE =  5.92 ANGSTROMS                       
REMARK 525    HOH B 590        DISTANCE =  6.03 ANGSTROMS                       
REMARK 525    HOH B 591        DISTANCE =  6.08 ANGSTROMS                       
REMARK 525    HOH B 592        DISTANCE =  6.42 ANGSTROMS                       
REMARK 525    HOH B 593        DISTANCE =  6.47 ANGSTROMS                       
REMARK 525    HOH B 594        DISTANCE =  6.52 ANGSTROMS                       
REMARK 525    HOH B 595        DISTANCE =  6.81 ANGSTROMS                       
REMARK 525    HOH B 596        DISTANCE =  6.96 ANGSTROMS                       
REMARK 525    HOH B 597        DISTANCE =  7.05 ANGSTROMS                       
REMARK 525    HOH B 598        DISTANCE =  8.23 ANGSTROMS                       
DBREF  7TWX A    3   169  UNP    P0DTD1   R1AB_SARS2    1025   1191             
DBREF  7TWX B    3   169  UNP    P0DTD1   R1AB_SARS2    1025   1191             
SEQADV 7TWX SER A    1  UNP  P0DTD1              EXPRESSION TAG                 
SEQADV 7TWX MET A    2  UNP  P0DTD1              EXPRESSION TAG                 
SEQADV 7TWX SER B    1  UNP  P0DTD1              EXPRESSION TAG                 
SEQADV 7TWX MET B    2  UNP  P0DTD1              EXPRESSION TAG                 
SEQRES   1 A  169  SER MET VAL ASN SER PHE SER GLY TYR LEU LYS LEU THR          
SEQRES   2 A  169  ASP ASN VAL TYR ILE LYS ASN ALA ASP ILE VAL GLU GLU          
SEQRES   3 A  169  ALA LYS LYS VAL LYS PRO THR VAL VAL VAL ASN ALA ALA          
SEQRES   4 A  169  ASN VAL TYR LEU LYS HIS GLY GLY GLY VAL ALA GLY ALA          
SEQRES   5 A  169  LEU ASN LYS ALA THR ASN ASN ALA MET GLN VAL GLU SER          
SEQRES   6 A  169  ASP ASP TYR ILE ALA THR ASN GLY PRO LEU LYS VAL GLY          
SEQRES   7 A  169  GLY SER CYS VAL LEU SER GLY HIS ASN LEU ALA LYS HIS          
SEQRES   8 A  169  CYS LEU HIS VAL VAL GLY PRO ASN VAL ASN LYS GLY GLU          
SEQRES   9 A  169  ASP ILE GLN LEU LEU LYS SER ALA TYR GLU ASN PHE ASN          
SEQRES  10 A  169  GLN HIS GLU VAL LEU LEU ALA PRO LEU LEU SER ALA GLY          
SEQRES  11 A  169  ILE PHE GLY ALA ASP PRO ILE HIS SER LEU ARG VAL CYS          
SEQRES  12 A  169  VAL ASP THR VAL ARG THR ASN VAL TYR LEU ALA VAL PHE          
SEQRES  13 A  169  ASP LYS ASN LEU TYR ASP LYS LEU VAL SER SER PHE LEU          
SEQRES   1 B  169  SER MET VAL ASN SER PHE SER GLY TYR LEU LYS LEU THR          
SEQRES   2 B  169  ASP ASN VAL TYR ILE LYS ASN ALA ASP ILE VAL GLU GLU          
SEQRES   3 B  169  ALA LYS LYS VAL LYS PRO THR VAL VAL VAL ASN ALA ALA          
SEQRES   4 B  169  ASN VAL TYR LEU LYS HIS GLY GLY GLY VAL ALA GLY ALA          
SEQRES   5 B  169  LEU ASN LYS ALA THR ASN ASN ALA MET GLN VAL GLU SER          
SEQRES   6 B  169  ASP ASP TYR ILE ALA THR ASN GLY PRO LEU LYS VAL GLY          
SEQRES   7 B  169  GLY SER CYS VAL LEU SER GLY HIS ASN LEU ALA LYS HIS          
SEQRES   8 B  169  CYS LEU HIS VAL VAL GLY PRO ASN VAL ASN LYS GLY GLU          
SEQRES   9 B  169  ASP ILE GLN LEU LEU LYS SER ALA TYR GLU ASN PHE ASN          
SEQRES  10 B  169  GLN HIS GLU VAL LEU LEU ALA PRO LEU LEU SER ALA GLY          
SEQRES  11 B  169  ILE PHE GLY ALA ASP PRO ILE HIS SER LEU ARG VAL CYS          
SEQRES  12 B  169  VAL ASP THR VAL ARG THR ASN VAL TYR LEU ALA VAL PHE          
SEQRES  13 B  169  ASP LYS ASN LEU TYR ASP LYS LEU VAL SER SER PHE LEU          
HET    AR6  A 201      57                                                       
HETNAM     AR6 [(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-              
HETNAM   2 AR6  OXOLAN-2-YL]METHYL [HYDROXY-[[(2R,3S,4R,5S)-3,4,5-              
HETNAM   3 AR6  TRIHYDROXYOXOLAN-2-YL]METHOXY]PHOSPHORYL] HYDROGEN              
HETNAM   4 AR6  PHOSPHATE                                                       
HETSYN     AR6 ADENOSINE-5-DIPHOSPHORIBOSE                                      
FORMUL   3  AR6    C15 H23 N5 O14 P2                                            
FORMUL   4  HOH   *765(H2 O)                                                    
HELIX    1 AA1 ASP A   22  LYS A   31  1                                  10    
HELIX    2 AA2 GLY A   47  THR A   57  1                                  11    
HELIX    3 AA3 ASN A   59  GLY A   73  1                                  15    
HELIX    4 AA4 ASN A   99  GLY A  103  5                                   5    
HELIX    5 AA5 GLN A  107  ASN A  115  1                                   9    
HELIX    6 AA6 PHE A  116  HIS A  119  5                                   4    
HELIX    7 AA7 ASP A  135  VAL A  147  1                                  13    
HELIX    8 AA8 ASP A  157  VAL A  165  1                                   9    
HELIX    9 AA9 ASP B   22  LYS B   31  1                                  10    
HELIX   10 AB1 GLY B   47  THR B   57  1                                  11    
HELIX   11 AB2 ASN B   59  GLY B   73  1                                  15    
HELIX   12 AB3 ASN B   99  GLY B  103  5                                   5    
HELIX   13 AB4 ASP B  105  GLN B  107  5                                   3    
HELIX   14 AB5 LEU B  108  ASN B  115  1                                   8    
HELIX   15 AB6 PHE B  116  HIS B  119  5                                   4    
HELIX   16 AB7 ALA B  129  GLY B  133  5                                   5    
HELIX   17 AB8 ASP B  135  VAL B  147  1                                  13    
HELIX   18 AB9 ASP B  157  LEU B  169  1                                  13    
SHEET    1 AA1 4 LEU A  10  LYS A  11  0                                        
SHEET    2 AA1 4 VAL A  16  ASN A  20 -1  O  ILE A  18   N  LEU A  10           
SHEET    3 AA1 4 ASN A 150  VAL A 155  1  O  LEU A 153   N  TYR A  17           
SHEET    4 AA1 4 VAL A 121  ALA A 124  1  N  LEU A 122   O  TYR A 152           
SHEET    1 AA2 3 VAL A  34  ALA A  38  0                                        
SHEET    2 AA2 3 HIS A  91  VAL A  95  1  O  VAL A  95   N  ASN A  37           
SHEET    3 AA2 3 SER A  80  SER A  84 -1  N  LEU A  83   O  CYS A  92           
SHEET    1 AA3 4 LEU B  10  LYS B  11  0                                        
SHEET    2 AA3 4 VAL B  16  ASN B  20 -1  O  ILE B  18   N  LEU B  10           
SHEET    3 AA3 4 ASN B 150  VAL B 155  1  O  LEU B 153   N  TYR B  17           
SHEET    4 AA3 4 VAL B 121  ALA B 124  1  N  LEU B 122   O  TYR B 152           
SHEET    1 AA4 3 VAL B  34  ALA B  38  0                                        
SHEET    2 AA4 3 HIS B  91  VAL B  95  1  O  VAL B  95   N  ASN B  37           
SHEET    3 AA4 3 SER B  80  SER B  84 -1  N  LEU B  83   O  CYS B  92           
CRYST1   88.454   88.454   39.924  90.00  90.00  90.00 P 43          8          
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      0.011305  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011305  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.025048        0.00000