HEADER    VIRAL PROTEIN                           12-SEP-13   4MOD              
TITLE     STRUCTURE OF THE MERS-COV FUSION CORE                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HR1 OF S PROTEIN, LINKER, HR2 OF S PROTEIN;                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 OTHER_DETAILS: AMINO ACIDS 992-1054 (HR1) AND AMINO ACIDS 1252-1286  
COMPND   6 (HR2) LINKED BY A 22-RESIDUE LINKER (LVPRGSGGSGGSGGLEVLFQGP)         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HUMAN BETACORONAVIRUS 2C EMC/2012, SYNTHETIC    
SOURCE   3 CONSTRUCT;                                                           
SOURCE   4 ORGANISM_COMMON: MERS-COV;                                           
SOURCE   5 ORGANISM_TAXID: 1235996, 32630;                                      
SOURCE   6 STRAIN: HCOV-EMC;                                                    
SOURCE   7 GENE: SPIKE, S;                                                      
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  10 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  12 EXPRESSION_SYSTEM_PLASMID: PET-21A                                   
KEYWDS    MERS-COV, VIRAL ENVELOPE PROTEINS, SPIKE, TRIMER OF HAIRPINS, 6-HELIX 
KEYWDS   2 BUNDLE, MEMBRANE FUSION, VIRAL PROTEIN                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.GAO,G.LU,J.QI,Y.LI,Y.WU,Y.DENG,H.GENG,H.XIAO,W.TAN,J.YAN,G.F.GAO    
REVDAT   4   08-NOV-23 4MOD    1       REMARK                                   
REVDAT   3   24-AUG-22 4MOD    1       JRNL   SEQADV                            
REVDAT   2   28-JUN-17 4MOD    1       SOURCE                                   
REVDAT   1   09-OCT-13 4MOD    0                                                
JRNL        AUTH   J.GAO,G.LU,J.QI,Y.LI,Y.WU,Y.DENG,H.GENG,H.LI,Q.WANG,H.XIAO,  
JRNL        AUTH 2 W.TAN,J.YAN,G.F.GAO                                          
JRNL        TITL   STRUCTURE OF THE FUSION CORE AND INHIBITION OF FUSION BY A   
JRNL        TITL 2 HEPTAD REPEAT PEPTIDE DERIVED FROM THE S PROTEIN OF MIDDLE   
JRNL        TITL 3 EAST RESPIRATORY SYNDROME CORONAVIRUS.                       
JRNL        REF    J.VIROL.                      V.  87 13134 2013              
JRNL        REFN                   ESSN 1098-5514                               
JRNL        PMID   24067982                                                     
JRNL        DOI    10.1128/JVI.02433-13                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.8_1069)                     
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 : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 37.78                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 2.040                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 12169                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.186                           
REMARK   3   R VALUE            (WORKING SET) : 0.185                           
REMARK   3   FREE R VALUE                     : 0.214                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.790                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 583                             
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 37.7904 -  3.0171    0.98     2840   146  0.1869 0.1952        
REMARK   3     2  3.0171 -  2.3949    1.00     2896   148  0.1844 0.2165        
REMARK   3     3  2.3949 -  2.0922    1.00     2932   148  0.1784 0.2257        
REMARK   3     4  2.0922 -  1.9009    1.00     2918   141  0.1876 0.2625        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.200            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.650           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.51                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.009           1210                                  
REMARK   3   ANGLE     :  1.033           1638                                  
REMARK   3   CHIRALITY :  0.071            200                                  
REMARK   3   PLANARITY :  0.003            214                                  
REMARK   3   DIHEDRAL  : 19.300            448                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: ALL                                                    
REMARK   3    ORIGIN FOR THE GROUP (A):  -8.1446  10.6624  18.0261              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0351 T22:   0.0314                                     
REMARK   3      T33:   0.0413 T12:  -0.0037                                     
REMARK   3      T13:  -0.0004 T23:   0.0003                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.2027 L22:   0.1198                                     
REMARK   3      L33:   0.1060 L12:  -0.0954                                     
REMARK   3      L13:   0.1419 L23:  -0.0909                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0077 S12:   0.0007 S13:   0.0129                       
REMARK   3      S21:   0.0011 S22:   0.0203 S23:  -0.0107                       
REMARK   3      S31:  -0.0385 S32:   0.0143 S33:   0.0072                       
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 4MOD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-SEP-13.                  
REMARK 100 THE DEPOSITION ID IS D_1000082163.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-JUL-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL17U                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.03906                            
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 12172                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 4.500                              
REMARK 200  R MERGE                    (I) : 0.07400                            
REMARK 200  R SYM                      (I) : 0.07400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.4420                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.15600                            
REMARK 200  R SYM FOR SHELL            (I) : 0.15600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 11.71                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: 1WNC                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.13                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M BIS-TRIS, 25%(W/V) POLYETHYLENE     
REMARK 280  GLYCOL 3350, PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE     
REMARK 280  291K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6980 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11090 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -64.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
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: 7090 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11110 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -62.0 KCAL/MOL                        
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 350   BIOMT1   2 -0.500000 -0.866025  0.000000      -21.40800            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000       37.07974            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000      -42.81600            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  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 A1301  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B1301  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B1354  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     MET A   991                                                      
REMARK 465     GLU A   992                                                      
REMARK 465     LEU A  1040                                                      
REMARK 465     SER A  1041                                                      
REMARK 465     ASN A  1042                                                      
REMARK 465     THR A  1043                                                      
REMARK 465     PHE A  1044                                                      
REMARK 465     GLY A  1045                                                      
REMARK 465     ALA A  1046                                                      
REMARK 465     ILE A  1047                                                      
REMARK 465     SER A  1048                                                      
REMARK 465     ALA A  1049                                                      
REMARK 465     SER A  1050                                                      
REMARK 465     ILE A  1051                                                      
REMARK 465     GLY A  1052                                                      
REMARK 465     ASP A  1053                                                      
REMARK 465     ILE A  1054                                                      
REMARK 465     LEU A  1055                                                      
REMARK 465     VAL A  1056                                                      
REMARK 465     PRO A  1057                                                      
REMARK 465     ARG A  1058                                                      
REMARK 465     GLY A  1059                                                      
REMARK 465     SER A  1060                                                      
REMARK 465     GLY A  1061                                                      
REMARK 465     GLY A  1062                                                      
REMARK 465     SER A  1063                                                      
REMARK 465     GLY A  1064                                                      
REMARK 465     GLY A  1065                                                      
REMARK 465     SER A  1066                                                      
REMARK 465     GLY A  1067                                                      
REMARK 465     GLY A  1068                                                      
REMARK 465     LEU A  1069                                                      
REMARK 465     GLU A  1070                                                      
REMARK 465     VAL A  1071                                                      
REMARK 465     LEU A  1072                                                      
REMARK 465     PHE A  1073                                                      
REMARK 465     GLN A  1074                                                      
REMARK 465     GLY A  1075                                                      
REMARK 465     PRO A  1076                                                      
REMARK 465     LEU A  1252                                                      
REMARK 465     THR A  1253                                                      
REMARK 465     LEU A  1283                                                      
REMARK 465     LYS A  1284                                                      
REMARK 465     GLU A  1285                                                      
REMARK 465     LEU A  1286                                                      
REMARK 465     LEU A  1287                                                      
REMARK 465     GLU A  1288                                                      
REMARK 465     HIS A  1289                                                      
REMARK 465     HIS A  1290                                                      
REMARK 465     HIS A  1291                                                      
REMARK 465     HIS A  1292                                                      
REMARK 465     HIS A  1293                                                      
REMARK 465     HIS A  1294                                                      
REMARK 465     MET B   991                                                      
REMARK 465     GLU B   992                                                      
REMARK 465     LEU B  1040                                                      
REMARK 465     SER B  1041                                                      
REMARK 465     ASN B  1042                                                      
REMARK 465     THR B  1043                                                      
REMARK 465     PHE B  1044                                                      
REMARK 465     GLY B  1045                                                      
REMARK 465     ALA B  1046                                                      
REMARK 465     ILE B  1047                                                      
REMARK 465     SER B  1048                                                      
REMARK 465     ALA B  1049                                                      
REMARK 465     SER B  1050                                                      
REMARK 465     ILE B  1051                                                      
REMARK 465     GLY B  1052                                                      
REMARK 465     ASP B  1053                                                      
REMARK 465     ILE B  1054                                                      
REMARK 465     LEU B  1055                                                      
REMARK 465     VAL B  1056                                                      
REMARK 465     PRO B  1057                                                      
REMARK 465     ARG B  1058                                                      
REMARK 465     GLY B  1059                                                      
REMARK 465     SER B  1060                                                      
REMARK 465     GLY B  1061                                                      
REMARK 465     GLY B  1062                                                      
REMARK 465     SER B  1063                                                      
REMARK 465     GLY B  1064                                                      
REMARK 465     GLY B  1065                                                      
REMARK 465     SER B  1066                                                      
REMARK 465     GLY B  1067                                                      
REMARK 465     GLY B  1068                                                      
REMARK 465     LEU B  1069                                                      
REMARK 465     GLU B  1070                                                      
REMARK 465     VAL B  1071                                                      
REMARK 465     LEU B  1072                                                      
REMARK 465     PHE B  1073                                                      
REMARK 465     GLN B  1074                                                      
REMARK 465     GLY B  1075                                                      
REMARK 465     PRO B  1076                                                      
REMARK 465     LEU B  1252                                                      
REMARK 465     THR B  1253                                                      
REMARK 465     LEU B  1283                                                      
REMARK 465     LYS B  1284                                                      
REMARK 465     GLU B  1285                                                      
REMARK 465     LEU B  1286                                                      
REMARK 465     LEU B  1287                                                      
REMARK 465     GLU B  1288                                                      
REMARK 465     HIS B  1289                                                      
REMARK 465     HIS B  1290                                                      
REMARK 465     HIS B  1291                                                      
REMARK 465     HIS B  1292                                                      
REMARK 465     HIS B  1293                                                      
REMARK 465     HIS B  1294                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OG   SER A  1279     O    HOH A  1347              1.99            
REMARK 500   O    HOH A  1326     O    HOH A  1361              2.00            
REMARK 500   O    GLU A  1039     O    HOH A  1319              2.03            
REMARK 500   O    HOH B  1346     O    HOH B  1355              2.05            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   NE2  GLN B  1254     O    HOH A  1335     2555     1.60            
REMARK 500   N    GLN A  1254     O    HOH A  1345     2555     2.14            
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    GLN A 994      -33.48   -161.23                                   
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 GLN B 1254     ILE B 1255                 -136.66                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1WNC   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE SARS-COV FUSION CORE                                
REMARK 900 RELATED ID: 1WDF   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE MHV FUSION CORE                                     
DBREF  4MOD A  992  1054  UNP    K0BRG7   K0BRG7_9BETC   992   1054             
DBREF  4MOD A 1055  1076  PDB    4MOD     4MOD          1055   1076             
DBREF  4MOD A 1252  1286  UNP    K0BRG7   K0BRG7_9BETC  1252   1286             
DBREF  4MOD B  992  1054  UNP    K0BRG7   K0BRG7_9BETC   992   1054             
DBREF  4MOD B 1055  1076  PDB    4MOD     4MOD          1055   1076             
DBREF  4MOD B 1252  1286  UNP    K0BRG7   K0BRG7_9BETC  1252   1286             
SEQADV 4MOD MET A  991  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD LEU A 1287  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD GLU A 1288  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS A 1289  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS A 1290  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS A 1291  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS A 1292  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS A 1293  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS A 1294  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD MET B  991  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD LEU B 1287  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD GLU B 1288  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS B 1289  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS B 1290  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS B 1291  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS B 1292  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS B 1293  UNP  K0BRG7              EXPRESSION TAG                 
SEQADV 4MOD HIS B 1294  UNP  K0BRG7              EXPRESSION TAG                 
SEQRES   1 A  129  MET GLU ASN GLN LYS LEU ILE ALA ASN LYS PHE ASN GLN          
SEQRES   2 A  129  ALA LEU GLY ALA MET GLN THR GLY PHE THR THR THR ASN          
SEQRES   3 A  129  GLU ALA PHE GLN LYS VAL GLN ASP ALA VAL ASN ASN ASN          
SEQRES   4 A  129  ALA GLN ALA LEU SER LYS LEU ALA SER GLU LEU SER ASN          
SEQRES   5 A  129  THR PHE GLY ALA ILE SER ALA SER ILE GLY ASP ILE LEU          
SEQRES   6 A  129  VAL PRO ARG GLY SER GLY GLY SER GLY GLY SER GLY GLY          
SEQRES   7 A  129  LEU GLU VAL LEU PHE GLN GLY PRO LEU THR GLN ILE ASN          
SEQRES   8 A  129  THR THR LEU LEU ASP LEU THR TYR GLU MET LEU SER LEU          
SEQRES   9 A  129  GLN GLN VAL VAL LYS ALA LEU ASN GLU SER TYR ILE ASP          
SEQRES  10 A  129  LEU LYS GLU LEU LEU GLU HIS HIS HIS HIS HIS HIS              
SEQRES   1 B  129  MET GLU ASN GLN LYS LEU ILE ALA ASN LYS PHE ASN GLN          
SEQRES   2 B  129  ALA LEU GLY ALA MET GLN THR GLY PHE THR THR THR ASN          
SEQRES   3 B  129  GLU ALA PHE GLN LYS VAL GLN ASP ALA VAL ASN ASN ASN          
SEQRES   4 B  129  ALA GLN ALA LEU SER LYS LEU ALA SER GLU LEU SER ASN          
SEQRES   5 B  129  THR PHE GLY ALA ILE SER ALA SER ILE GLY ASP ILE LEU          
SEQRES   6 B  129  VAL PRO ARG GLY SER GLY GLY SER GLY GLY SER GLY GLY          
SEQRES   7 B  129  LEU GLU VAL LEU PHE GLN GLY PRO LEU THR GLN ILE ASN          
SEQRES   8 B  129  THR THR LEU LEU ASP LEU THR TYR GLU MET LEU SER LEU          
SEQRES   9 B  129  GLN GLN VAL VAL LYS ALA LEU ASN GLU SER TYR ILE ASP          
SEQRES  10 B  129  LEU LYS GLU LEU LEU GLU HIS HIS HIS HIS HIS HIS              
FORMUL   3  HOH   *129(H2 O)                                                    
HELIX    1   1 GLN A  994  GLU A 1039  1                                  46    
HELIX    2   2 LEU A 1262  GLU A 1278  1                                  17    
HELIX    3   3 GLN B  994  GLU B 1039  1                                  46    
HELIX    4   4 LEU B 1262  GLU B 1278  1                                  17    
CISPEP   1 GLN A 1254    ILE A 1255          0        11.84                     
CRYST1   42.816   42.816   75.566  90.00  90.00 120.00 P 3           6          
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      0.023356  0.013484  0.000000        0.00000                         
SCALE2      0.000000  0.026969  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013233        0.00000