HEADER    IMMUNE SYSTEM                           07-JUL-21   7P3D              
TITLE     MHC I A02 ALLELE PRESENTING YLQPRTFLL                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MHC CLASS I ANTIGEN;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: BETA-2-MICROGLOBULIN;                                      
COMPND   7 CHAIN: B;                                                            
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: SPIKE GLYCOPROTEIN;                                        
COMPND  11 CHAIN: C;                                                            
COMPND  12 SYNONYM: S GLYCOPROTEIN,E2,PEPLOMER PROTEIN;                         
COMPND  13 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: HLA-A;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  10 ORGANISM_COMMON: HUMAN;                                              
SOURCE  11 ORGANISM_TAXID: 9606;                                                
SOURCE  12 GENE: B2M, CDABP0092, HDCMA22P;                                      
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  15 MOL_ID: 3;                                                           
SOURCE  16 SYNTHETIC: YES;                                                      
SOURCE  17 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS   
SOURCE  18 2;                                                                   
SOURCE  19 ORGANISM_COMMON: 2019-NCOV, SARS-COV-2;                              
SOURCE  20 ORGANISM_TAXID: 2697049                                              
KEYWDS    VIRAL EPITOPE, IMMUNE SYSTEM, WUHAN VIRUS, S PROTEIN EPITOPE, MHC     
KEYWDS   2 PRESENTATION                                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.J.RIZKALLAH,A.K.SEWELL,A.WALL,A.FULLER                              
REVDAT   5   20-NOV-24 7P3D    1       REMARK                                   
REVDAT   4   31-JAN-24 7P3D    1       REMARK                                   
REVDAT   3   17-AUG-22 7P3D    1       JRNL                                     
REVDAT   2   27-JUL-22 7P3D    1       JRNL                                     
REVDAT   1   28-JUL-21 7P3D    0                                                
JRNL        AUTH   G.DOLTON,C.RIUS,M.S.HASAN,A.WALL,B.SZOMOLAY,E.BEHIRY,        
JRNL        AUTH 2 T.WHALLEY,J.SOUTHGATE,A.FULLER,T.MORIN,K.TOPLEY,L.R.TAN,     
JRNL        AUTH 3 P.J.R.GOULDER,O.B.SPILLER,P.J.RIZKALLAH,L.C.JONES,           
JRNL        AUTH 4 T.R.CONNOR,A.K.SEWELL                                        
JRNL        TITL   EMERGENCE OF IMMUNE ESCAPE AT DOMINANT SARS-COV-2 KILLER T   
JRNL        TITL 2 CELL EPITOPE.                                                
JRNL        REF    CELL                          V. 185  2936 2022              
JRNL        REFN                   ISSN 1097-4172                               
JRNL        PMID   35931021                                                     
JRNL        DOI    10.1016/J.CELL.2022.07.002                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.67 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0267                                      
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) : 1.67                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 51.89                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 50389                          
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) : 0.191                           
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.231                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2697                            
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) : 1.67                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.71                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3642                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.44                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3440                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 214                          
REMARK   3   BIN FREE R VALUE                    : 0.3660                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3173                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 29                                      
REMARK   3   SOLVENT ATOMS            : 449                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.08000                                              
REMARK   3    B22 (A**2) : -0.61000                                             
REMARK   3    B33 (A**2) : 0.60000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.37000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.104         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.107         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.103         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.474         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.958                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.939                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3386 ; 0.012 ; 0.013       
REMARK   3   BOND LENGTHS OTHERS               (A):  3026 ; 0.001 ; 0.017       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4598 ; 1.586 ; 1.663       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  6967 ; 1.376 ; 1.585       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   402 ; 7.632 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   215 ;28.621 ;21.070       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   553 ;13.846 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    32 ;21.961 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   412 ; 0.078 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3911 ; 0.010 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   861 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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  : 3                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 2                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     1        A   180                          
REMARK   3    RESIDUE RANGE :   C     1        C    10                          
REMARK   3    ORIGIN FOR THE GROUP (A):  15.8726  -5.4086  -2.0264              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0118 T22:   0.0085                                     
REMARK   3      T33:   0.0359 T12:  -0.0007                                     
REMARK   3      T13:   0.0052 T23:  -0.0044                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.9523 L22:   1.7028                                     
REMARK   3      L33:   0.8092 L12:  -0.1863                                     
REMARK   3      L13:   0.0317 L23:  -0.3401                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0076 S12:   0.0694 S13:   0.0618                       
REMARK   3      S21:  -0.1268 S22:  -0.0058 S23:  -0.1010                       
REMARK   3      S31:  -0.0132 S32:   0.0303 S33:  -0.0018                       
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   181        A   276                          
REMARK   3    ORIGIN FOR THE GROUP (A):   4.2502  20.8110  20.3653              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0606 T22:   0.0715                                     
REMARK   3      T33:   0.0891 T12:  -0.0232                                     
REMARK   3      T13:   0.0006 T23:  -0.0118                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.0689 L22:   1.3895                                     
REMARK   3      L33:   6.7713 L12:   0.2189                                     
REMARK   3      L13:   0.3991 L23:   2.5656                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0278 S12:  -0.0461 S13:   0.0257                       
REMARK   3      S21:   0.0630 S22:   0.0037 S23:  -0.0035                       
REMARK   3      S31:  -0.1916 S32:  -0.0208 S33:  -0.0315                       
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 :   B     0        B    99                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -6.2377   1.2477  13.0532              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0276 T22:   0.0219                                     
REMARK   3      T33:   0.0462 T12:   0.0009                                     
REMARK   3      T13:   0.0183 T23:   0.0169                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.6804 L22:   3.1080                                     
REMARK   3      L33:   1.3191 L12:  -2.0691                                     
REMARK   3      L13:  -0.1893 L23:   0.1278                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0983 S12:  -0.1231 S13:  -0.2120                       
REMARK   3      S21:   0.2630 S22:   0.0921 S23:   0.2729                       
REMARK   3      S31:   0.0193 S32:  -0.1196 S33:   0.0063                       
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 U VALUES : WITH TLS ADDED                                 
REMARK   4                                                                      
REMARK   4 7P3D COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-JUL-21.                  
REMARK 100 THE DEPOSITION ID IS D_1292116858.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 28-JUN-21                          
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               : DIAMOND                            
REMARK 200  BEAMLINE                       : I04-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.91808                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 2M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DIALS                              
REMARK 200  DATA SCALING SOFTWARE          : DIALS                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 53176                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.670                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 79.390                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 3.900                              
REMARK 200  R MERGE                    (I) : 0.16200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.67                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.70                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 1.41900                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 0.900                              
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: 4I4W                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.41                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM NITRATE, 0.1 M BIS TRIS     
REMARK 280  PROPANE PH 7.5, AND 20 % W/V PEG 3350, VAPOR DIFFUSION, SITTING     
REMARK 280  DROP, TEMPERATURE 293K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       39.70800            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6060 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18850 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 256   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  17      129.86   -172.34                                   
REMARK 500    ASP A  29     -121.91     55.90                                   
REMARK 500    HIS A 114      104.62   -161.97                                   
REMARK 500    TYR A 123      -74.09   -109.95                                   
REMARK 500    TRP A 274       90.57    -68.53                                   
REMARK 500    TRP B  60       -2.80     82.62                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 GLY A    1     SER A    2                 -147.57                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B 104  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASN B  83   OD1                                                    
REMARK 620 2 HIS B  84   O    85.6                                              
REMARK 620 3 LEU B  87   O    99.3  91.5                                        
REMARK 620 4 HOH B 254   O   179.3  93.8  81.0                                  
REMARK 620 5 HOH B 310   O    84.5  87.0 175.8  95.2                            
REMARK 620 6 HOH B 311   O    84.7 169.2  85.4  95.9  96.8                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 7P3E   RELATED DB: PDB                                   
DBREF1 7P3D A    1   276  UNP                  A0A5B8RNS7_HUMAN                 
DBREF2 7P3D A     A0A5B8RNS7                         25         300             
DBREF  7P3D B    1    99  UNP    P61769   B2MG_HUMAN      21    119             
DBREF  7P3D C    1     9  UNP    P0DTC2   SPIKE_SARS2    269    277             
SEQADV 7P3D MET B    0  UNP  P61769              INITIATING METHIONINE          
SEQRES   1 A  276  GLY SER HIS SER MET ARG TYR PHE PHE THR SER VAL SER          
SEQRES   2 A  276  ARG PRO GLY ARG GLY GLU PRO ARG PHE ILE ALA VAL GLY          
SEQRES   3 A  276  TYR VAL ASP ASP THR GLN PHE VAL ARG PHE ASP SER ASP          
SEQRES   4 A  276  ALA ALA SER GLN ARG MET GLU PRO ARG ALA PRO TRP ILE          
SEQRES   5 A  276  GLU GLN GLU GLY PRO GLU TYR TRP ASP GLY GLU THR ARG          
SEQRES   6 A  276  LYS VAL LYS ALA HIS SER GLN THR HIS ARG VAL ASP LEU          
SEQRES   7 A  276  GLY THR LEU ARG GLY TYR TYR ASN GLN SER GLU ALA GLY          
SEQRES   8 A  276  SER HIS THR VAL GLN ARG MET TYR GLY CYS ASP VAL GLY          
SEQRES   9 A  276  SER ASP TRP ARG PHE LEU ARG GLY TYR HIS GLN TYR ALA          
SEQRES  10 A  276  TYR ASP GLY LYS ASP TYR ILE ALA LEU LYS GLU ASP LEU          
SEQRES  11 A  276  ARG SER TRP THR ALA ALA ASP MET ALA ALA GLN THR THR          
SEQRES  12 A  276  LYS HIS LYS TRP GLU ALA ALA HIS VAL ALA GLU GLN LEU          
SEQRES  13 A  276  ARG ALA TYR LEU GLU GLY THR CYS VAL GLU TRP LEU ARG          
SEQRES  14 A  276  ARG TYR LEU GLU ASN GLY LYS GLU THR LEU GLN ARG THR          
SEQRES  15 A  276  ASP ALA PRO LYS THR HIS MET THR HIS HIS ALA VAL SER          
SEQRES  16 A  276  ASP HIS GLU ALA THR LEU ARG CYS TRP ALA LEU SER PHE          
SEQRES  17 A  276  TYR PRO ALA GLU ILE THR LEU THR TRP GLN ARG ASP GLY          
SEQRES  18 A  276  GLU ASP GLN THR GLN ASP THR GLU LEU VAL GLU THR ARG          
SEQRES  19 A  276  PRO ALA GLY ASP GLY THR PHE GLN LYS TRP ALA ALA VAL          
SEQRES  20 A  276  VAL VAL PRO SER GLY GLN GLU GLN ARG TYR THR CYS HIS          
SEQRES  21 A  276  VAL GLN HIS GLU GLY LEU PRO LYS PRO LEU THR LEU ARG          
SEQRES  22 A  276  TRP GLU PRO                                                  
SEQRES   1 B  100  MET ILE GLN ARG THR PRO LYS ILE GLN VAL TYR SER ARG          
SEQRES   2 B  100  HIS PRO ALA GLU ASN GLY LYS SER ASN PHE LEU ASN CYS          
SEQRES   3 B  100  TYR VAL SER GLY PHE HIS PRO SER ASP ILE GLU VAL ASP          
SEQRES   4 B  100  LEU LEU LYS ASN GLY GLU ARG ILE GLU LYS VAL GLU HIS          
SEQRES   5 B  100  SER ASP LEU SER PHE SER LYS ASP TRP SER PHE TYR LEU          
SEQRES   6 B  100  LEU TYR TYR THR GLU PHE THR PRO THR GLU LYS ASP GLU          
SEQRES   7 B  100  TYR ALA CYS ARG VAL ASN HIS VAL THR LEU SER GLN PRO          
SEQRES   8 B  100  LYS ILE VAL LYS TRP ASP ARG ASP MET                          
SEQRES   1 C    9  TYR LEU GLN PRO ARG THR PHE LEU LEU                          
HET    EDO  A 301       4                                                       
HET    EDO  A 302       4                                                       
HET    ACT  A 303       4                                                       
HET    EDO  B 101       4                                                       
HET    EDO  B 102       4                                                       
HET    EDO  B 103       4                                                       
HET     CA  B 104       1                                                       
HET    EDO  C 101       4                                                       
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETNAM     ACT ACETATE ION                                                      
HETNAM      CA CALCIUM ION                                                      
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   4  EDO    6(C2 H6 O2)                                                  
FORMUL   6  ACT    C2 H3 O2 1-                                                  
FORMUL  10   CA    CA 2+                                                        
FORMUL  12  HOH   *449(H2 O)                                                    
HELIX    1 AA1 ALA A   49  GLU A   55  5                                   7    
HELIX    2 AA2 GLY A   56  TYR A   85  1                                  30    
HELIX    3 AA3 ASP A  137  ALA A  150  1                                  14    
HELIX    4 AA4 HIS A  151  GLY A  162  1                                  12    
HELIX    5 AA5 GLY A  162  GLY A  175  1                                  14    
HELIX    6 AA6 GLY A  175  GLN A  180  1                                   6    
HELIX    7 AA7 GLN A  253  GLN A  255  5                                   3    
SHEET    1 AA1 8 GLU A  46  PRO A  47  0                                        
SHEET    2 AA1 8 THR A  31  ASP A  37 -1  N  ARG A  35   O  GLU A  46           
SHEET    3 AA1 8 ARG A  21  VAL A  28 -1  N  VAL A  28   O  THR A  31           
SHEET    4 AA1 8 HIS A   3  VAL A  12 -1  N  ARG A   6   O  TYR A  27           
SHEET    5 AA1 8 THR A  94  VAL A 103 -1  O  VAL A  95   N  SER A  11           
SHEET    6 AA1 8 PHE A 109  TYR A 118 -1  O  LEU A 110   N  ASP A 102           
SHEET    7 AA1 8 LYS A 121  LEU A 126 -1  O  ILE A 124   N  TYR A 116           
SHEET    8 AA1 8 TRP A 133  ALA A 135 -1  O  THR A 134   N  ALA A 125           
SHEET    1 AA2 4 LYS A 186  ALA A 193  0                                        
SHEET    2 AA2 4 GLU A 198  PHE A 208 -1  O  THR A 200   N  HIS A 192           
SHEET    3 AA2 4 PHE A 241  PRO A 250 -1  O  ALA A 245   N  CYS A 203           
SHEET    4 AA2 4 THR A 228  LEU A 230 -1  N  GLU A 229   O  ALA A 246           
SHEET    1 AA3 4 LYS A 186  ALA A 193  0                                        
SHEET    2 AA3 4 GLU A 198  PHE A 208 -1  O  THR A 200   N  HIS A 192           
SHEET    3 AA3 4 PHE A 241  PRO A 250 -1  O  ALA A 245   N  CYS A 203           
SHEET    4 AA3 4 ARG A 234  PRO A 235 -1  N  ARG A 234   O  GLN A 242           
SHEET    1 AA4 4 GLU A 222  GLN A 224  0                                        
SHEET    2 AA4 4 THR A 214  ARG A 219 -1  N  ARG A 219   O  GLU A 222           
SHEET    3 AA4 4 TYR A 257  GLN A 262 -1  O  HIS A 260   N  THR A 216           
SHEET    4 AA4 4 LEU A 270  ARG A 273 -1  O  LEU A 272   N  CYS A 259           
SHEET    1 AA5 4 LYS B   6  SER B  11  0                                        
SHEET    2 AA5 4 ASN B  21  PHE B  30 -1  O  SER B  28   N  LYS B   6           
SHEET    3 AA5 4 PHE B  62  PHE B  70 -1  O  TYR B  66   N  CYS B  25           
SHEET    4 AA5 4 GLU B  50  HIS B  51 -1  N  GLU B  50   O  TYR B  67           
SHEET    1 AA6 4 LYS B   6  SER B  11  0                                        
SHEET    2 AA6 4 ASN B  21  PHE B  30 -1  O  SER B  28   N  LYS B   6           
SHEET    3 AA6 4 PHE B  62  PHE B  70 -1  O  TYR B  66   N  CYS B  25           
SHEET    4 AA6 4 SER B  55  PHE B  56 -1  N  SER B  55   O  TYR B  63           
SHEET    1 AA7 4 GLU B  44  ARG B  45  0                                        
SHEET    2 AA7 4 GLU B  36  LYS B  41 -1  N  LYS B  41   O  GLU B  44           
SHEET    3 AA7 4 TYR B  78  ASN B  83 -1  O  ARG B  81   N  ASP B  38           
SHEET    4 AA7 4 LYS B  91  LYS B  94 -1  O  VAL B  93   N  CYS B  80           
SSBOND   1 CYS A  101    CYS A  164                          1555   1555  2.10  
SSBOND   2 CYS A  203    CYS A  259                          1555   1555  2.09  
SSBOND   3 CYS B   25    CYS B   80                          1555   1555  1.98  
LINK         OD1 ASN B  83                CA    CA B 104     1555   1555  2.50  
LINK         O   HIS B  84                CA    CA B 104     1555   1555  2.41  
LINK         O   LEU B  87                CA    CA B 104     1555   1555  2.43  
LINK        CA    CA B 104                 O   HOH B 254     1555   1555  2.60  
LINK        CA    CA B 104                 O   HOH B 310     1555   1555  2.40  
LINK        CA    CA B 104                 O   HOH B 311     1555   1555  2.61  
CISPEP   1 TYR A  209    PRO A  210          0         0.26                     
CISPEP   2 HIS B   31    PRO B   32          0        -1.79                     
CRYST1   56.629   79.416   57.892  90.00 116.44  90.00 P 1 21 1      2          
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      0.017659  0.000000  0.008782        0.00000                         
SCALE2      0.000000  0.012592  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019292        0.00000