HEADER    VIRAL PROTEIN                           05-JUN-23   8T23              
TITLE     CRYO-EM STRUCTURE OF THE RBD-ACE2 INTERFACE OF THE SARS-COV-2 TRIMERIC
TITLE    2 SPIKE PROTEIN BOUND TO ACE2 RECEPTOR AFTER LOCAL REFINEMENT AT UPRBD 
TITLE    3 CONFORMATION                                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ANGIOTENSIN-CONVERTING ENZYME;                             
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: SPIKE GLYCOPROTEIN;                                        
COMPND   7 CHAIN: B;                                                            
COMPND   8 FRAGMENT: RBD;                                                       
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: NEOVISON VISON;                                 
SOURCE   3 ORGANISM_TAXID: 452646;                                              
SOURCE   4 EXPRESSION_SYSTEM: HOMO SAPIENS;                                     
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 9606;                                       
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   8 ORGANISM_COMMON: HUMAN;                                              
SOURCE   9 ORGANISM_TAXID: 9606;                                                
SOURCE  10 GENE: S, 2;                                                          
SOURCE  11 EXPRESSION_SYSTEM: HOMO SAPIENS;                                     
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 9606                                        
KEYWDS    CORONAVIRUS, SPIKE, ACE2, MINK, PROTEIN BINDING, VIRAL PROTEIN        
EXPDTA    ELECTRON MICROSCOPY                                                   
AUTHOR    H.M.AHN,B.CALDERON,X.FAN,Y.GAO,N.HORGAN,B.ZHOU,B.LIANG                
REVDAT   2   30-OCT-24 8T23    1       REMARK                                   
REVDAT   1   25-OCT-23 8T23    0                                                
JRNL        AUTH   H.AHN,B.M.CALDERON,X.FAN,Y.GAO,N.L.HORGAN,N.JIANG,D.S.BLOHM, 
JRNL        AUTH 2 J.HOSSAIN,N.W.K.RAYYAN,S.H.OSMAN,X.LIN,M.CURRIER,J.STEEL,    
JRNL        AUTH 3 D.E.WENTWORTH,B.ZHOU,B.LIANG                                 
JRNL        TITL   STRUCTURAL BASIS OF THE AMERICAN MINK ACE2 BINDING BY Y453F  
JRNL        TITL 2 TRIMERIC SPIKE GLYCOPROTEINS OF SARS-COV-2.                  
JRNL        REF    J MED VIROL                   V.  95 29163 2023              
JRNL        REFN                   ISSN 1096-9071                               
JRNL        PMID   37842796                                                     
JRNL        DOI    10.1002/JMV.29163                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.87 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   SOFTWARE PACKAGES      : NULL                                      
REMARK   3   RECONSTRUCTION SCHEMA  : NULL                                      
REMARK   3                                                                      
REMARK   3 EM MAP-MODEL FITTING AND REFINEMENT                                  
REMARK   3   PDB ENTRY                    : NULL                                
REMARK   3   REFINEMENT SPACE             : NULL                                
REMARK   3   REFINEMENT PROTOCOL          : NULL                                
REMARK   3   REFINEMENT TARGET            : NULL                                
REMARK   3   OVERALL ANISOTROPIC B VALUE  : NULL                                
REMARK   3                                                                      
REMARK   3 FITTING PROCEDURE : NULL                                             
REMARK   3                                                                      
REMARK   3 EM IMAGE RECONSTRUCTION STATISTICS                                   
REMARK   3   NOMINAL PIXEL SIZE (ANGSTROMS)    : NULL                           
REMARK   3   ACTUAL PIXEL SIZE  (ANGSTROMS)    : NULL                           
REMARK   3   EFFECTIVE RESOLUTION (ANGSTROMS)  : 3.870                          
REMARK   3   NUMBER OF PARTICLES               : 512722                         
REMARK   3   CTF CORRECTION METHOD             : PHASE FLIPPING AND AMPLITUDE   
REMARK   3                                       CORRECTION                     
REMARK   3                                                                      
REMARK   3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL                    
REMARK   3                                                                      
REMARK   3 OTHER DETAILS: NULL                                                  
REMARK   4                                                                      
REMARK   4 8T23 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-JUN-23.                  
REMARK 100 THE DEPOSITION ID IS D_1000274328.                                   
REMARK 245                                                                      
REMARK 245 EXPERIMENTAL DETAILS                                                 
REMARK 245   RECONSTRUCTION METHOD          : SINGLE PARTICLE                   
REMARK 245   SPECIMEN TYPE                  : NULL                              
REMARK 245                                                                      
REMARK 245 ELECTRON MICROSCOPE SAMPLE                                           
REMARK 245   SAMPLE TYPE                    : PARTICLE                          
REMARK 245   PARTICLE TYPE                  : POINT                             
REMARK 245   NAME OF SAMPLE                 : MINK VARIANT SPIKE RBD-ACE2       
REMARK 245                                    INTERFACE AFTER LOCAL REFINEMENT  
REMARK 245   SAMPLE CONCENTRATION (MG ML-1) : 1.50                              
REMARK 245   SAMPLE SUPPORT DETAILS         : NULL                              
REMARK 245   SAMPLE VITRIFICATION DETAILS   : NULL                              
REMARK 245   SAMPLE BUFFER                  : NULL                              
REMARK 245   PH                             : 8.00                              
REMARK 245   SAMPLE DETAILS                 : NULL                              
REMARK 245                                                                      
REMARK 245 DATA ACQUISITION                                                     
REMARK 245   DATE OF EXPERIMENT                : NULL                           
REMARK 245   NUMBER OF MICROGRAPHS-IMAGES      : 11392                          
REMARK 245   TEMPERATURE (KELVIN)              : NULL                           
REMARK 245   MICROSCOPE MODEL                  : FEI TITAN KRIOS                
REMARK 245   DETECTOR TYPE                     : GATAN K3 (6K X 4K)             
REMARK 245   MINIMUM DEFOCUS (NM)              : 750.00                         
REMARK 245   MAXIMUM DEFOCUS (NM)              : 1750.00                        
REMARK 245   MINIMUM TILT ANGLE (DEGREES)      : NULL                           
REMARK 245   MAXIMUM TILT ANGLE (DEGREES)      : NULL                           
REMARK 245   NOMINAL CS                        : NULL                           
REMARK 245   IMAGING MODE                      : OTHER                          
REMARK 245   ELECTRON DOSE (ELECTRONS NM**-2)  : 4998.00                        
REMARK 245   ILLUMINATION MODE                 : OTHER                          
REMARK 245   NOMINAL MAGNIFICATION             : 81000                          
REMARK 245   CALIBRATED MAGNIFICATION          : NULL                           
REMARK 245   SOURCE                            : FIELD EMISSION GUN             
REMARK 245   ACCELERATION VOLTAGE (KV)         : 300                            
REMARK 245   IMAGING DETAILS                   : NULL                           
REMARK 247                                                                      
REMARK 247 ELECTRON MICROSCOPY                                                  
REMARK 247  THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON          
REMARK 247  MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE              
REMARK 247  THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES           
REMARK 247  ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION         
REMARK 247  OF THE STRUCTURE FACTORS.                                           
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, G, H                            
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     MET A     1                                                      
REMARK 465     LEU A     2                                                      
REMARK 465     GLY A     3                                                      
REMARK 465     SER A     4                                                      
REMARK 465     SER A     5                                                      
REMARK 465     TRP A     6                                                      
REMARK 465     LEU A     7                                                      
REMARK 465     LEU A     8                                                      
REMARK 465     LEU A     9                                                      
REMARK 465     SER A    10                                                      
REMARK 465     LEU A    11                                                      
REMARK 465     ALA A    12                                                      
REMARK 465     ALA A    13                                                      
REMARK 465     LEU A    14                                                      
REMARK 465     THR A    15                                                      
REMARK 465     ALA A    16                                                      
REMARK 465     ALA A    17                                                      
REMARK 465     GLN A    18                                                      
REMARK 465     ASP A   615                                                      
REMARK 465     GLN A   616                                                      
REMARK 465     SER A   617                                                      
REMARK 465     ILE A   618                                                      
REMARK 465     LYS A   619                                                      
REMARK 465     VAL A   620                                                      
REMARK 465     ARG A   621                                                      
REMARK 465     ILE A   622                                                      
REMARK 465     SER A   623                                                      
REMARK 465     LEU A   624                                                      
REMARK 465     LYS A   625                                                      
REMARK 465     SER A   626                                                      
REMARK 465     ALA A   627                                                      
REMARK 465     LEU A   628                                                      
REMARK 465     GLY A   629                                                      
REMARK 465     GLU A   630                                                      
REMARK 465     LYS A   631                                                      
REMARK 465     ALA A   632                                                      
REMARK 465     TYR A   633                                                      
REMARK 465     GLU A   634                                                      
REMARK 465     TRP A   635                                                      
REMARK 465     ASN A   636                                                      
REMARK 465     ASP A   637                                                      
REMARK 465     ASN A   638                                                      
REMARK 465     GLU A   639                                                      
REMARK 465     MET A   640                                                      
REMARK 465     TYR A   641                                                      
REMARK 465     PHE A   642                                                      
REMARK 465     PHE A   643                                                      
REMARK 465     GLN A   644                                                      
REMARK 465     SER A   645                                                      
REMARK 465     SER A   646                                                      
REMARK 465     ILE A   647                                                      
REMARK 465     ALA A   648                                                      
REMARK 465     TYR A   649                                                      
REMARK 465     ALA A   650                                                      
REMARK 465     MET A   651                                                      
REMARK 465     ARG A   652                                                      
REMARK 465     GLU A   653                                                      
REMARK 465     TYR A   654                                                      
REMARK 465     PHE A   655                                                      
REMARK 465     SER A   656                                                      
REMARK 465     LYS A   657                                                      
REMARK 465     VAL A   658                                                      
REMARK 465     LYS A   659                                                      
REMARK 465     LYS A   660                                                      
REMARK 465     GLN A   661                                                      
REMARK 465     THR A   662                                                      
REMARK 465     ILE A   663                                                      
REMARK 465     PRO A   664                                                      
REMARK 465     PHE A   665                                                      
REMARK 465     VAL A   666                                                      
REMARK 465     ASP A   667                                                      
REMARK 465     LYS A   668                                                      
REMARK 465     ASP A   669                                                      
REMARK 465     VAL A   670                                                      
REMARK 465     ARG A   671                                                      
REMARK 465     VAL A   672                                                      
REMARK 465     SER A   673                                                      
REMARK 465     ASP A   674                                                      
REMARK 465     LEU A   675                                                      
REMARK 465     LYS A   676                                                      
REMARK 465     PRO A   677                                                      
REMARK 465     ARG A   678                                                      
REMARK 465     ILE A   679                                                      
REMARK 465     SER A   680                                                      
REMARK 465     PHE A   681                                                      
REMARK 465     ASN A   682                                                      
REMARK 465     PHE A   683                                                      
REMARK 465     ILE A   684                                                      
REMARK 465     VAL A   685                                                      
REMARK 465     THR A   686                                                      
REMARK 465     SER A   687                                                      
REMARK 465     PRO A   688                                                      
REMARK 465     GLU A   689                                                      
REMARK 465     ASN A   690                                                      
REMARK 465     MET A   691                                                      
REMARK 465     SER A   692                                                      
REMARK 465     ASP A   693                                                      
REMARK 465     ILE A   694                                                      
REMARK 465     ILE A   695                                                      
REMARK 465     PRO A   696                                                      
REMARK 465     ARG A   697                                                      
REMARK 465     ALA A   698                                                      
REMARK 465     ASP A   699                                                      
REMARK 465     VAL A   700                                                      
REMARK 465     GLU A   701                                                      
REMARK 465     GLU A   702                                                      
REMARK 465     ALA A   703                                                      
REMARK 465     ILE A   704                                                      
REMARK 465     ARG A   705                                                      
REMARK 465     LYS A   706                                                      
REMARK 465     SER A   707                                                      
REMARK 465     ARG A   708                                                      
REMARK 465     GLY A   709                                                      
REMARK 465     ARG A   710                                                      
REMARK 465     ILE A   711                                                      
REMARK 465     ASN A   712                                                      
REMARK 465     ASP A   713                                                      
REMARK 465     ALA A   714                                                      
REMARK 465     PHE A   715                                                      
REMARK 465     ARG A   716                                                      
REMARK 465     LEU A   717                                                      
REMARK 465     ASP A   718                                                      
REMARK 465     ASP A   719                                                      
REMARK 465     ASN A   720                                                      
REMARK 465     SER A   721                                                      
REMARK 465     LEU A   722                                                      
REMARK 465     GLU A   723                                                      
REMARK 465     PHE A   724                                                      
REMARK 465     LEU A   725                                                      
REMARK 465     GLY A   726                                                      
REMARK 465     ILE A   727                                                      
REMARK 465     GLN A   728                                                      
REMARK 465     PRO A   729                                                      
REMARK 465     THR A   730                                                      
REMARK 465     LEU A   731                                                      
REMARK 465     GLU A   732                                                      
REMARK 465     PRO A   733                                                      
REMARK 465     PRO A   734                                                      
REMARK 465     TYR A   735                                                      
REMARK 465     GLN A   736                                                      
REMARK 465     PRO A   737                                                      
REMARK 465     PRO A   738                                                      
REMARK 465     VAL A   739                                                      
REMARK 465     GLY A   740                                                      
REMARK 465     SER A   741                                                      
REMARK 465     GLY A   742                                                      
REMARK 465     SER A   743                                                      
REMARK 465     GLY A   744                                                      
REMARK 465     SER A   745                                                      
REMARK 465     GLY A   746                                                      
REMARK 465     HIS A   747                                                      
REMARK 465     HIS A   748                                                      
REMARK 465     HIS A   749                                                      
REMARK 465     HIS A   750                                                      
REMARK 465     HIS A   751                                                      
REMARK 465     HIS A   752                                                      
REMARK 465     GLY A   753                                                      
REMARK 465     SER A   754                                                      
REMARK 465     GLY A   755                                                      
REMARK 465     SER A   756                                                      
REMARK 465     GLY A   757                                                      
REMARK 465     LEU A   758                                                      
REMARK 465     ASN A   759                                                      
REMARK 465     ASP A   760                                                      
REMARK 465     ILE A   761                                                      
REMARK 465     PHE A   762                                                      
REMARK 465     GLU A   763                                                      
REMARK 465     ALA A   764                                                      
REMARK 465     GLN A   765                                                      
REMARK 465     LYS A   766                                                      
REMARK 465     ILE A   767                                                      
REMARK 465     GLU A   768                                                      
REMARK 465     TRP A   769                                                      
REMARK 465     HIS A   770                                                      
REMARK 465     GLU A   771                                                      
REMARK 465     GLN B   321                                                      
REMARK 465     PRO B   322                                                      
REMARK 465     THR B   323                                                      
REMARK 465     GLU B   324                                                      
REMARK 465     SER B   325                                                      
REMARK 465     ILE B   326                                                      
REMARK 465     VAL B   327                                                      
REMARK 465     ARG B   328                                                      
REMARK 465     PHE B   329                                                      
REMARK 465     PRO B   330                                                      
REMARK 465     ASN B   331                                                      
REMARK 465     ILE B   332                                                      
REMARK 465     THR B   333                                                      
REMARK 465     ASN B   334                                                      
REMARK 465     SER B   366                                                      
REMARK 465     VAL B   367                                                      
REMARK 465     LEU B   368                                                      
REMARK 465     TYR B   369                                                      
REMARK 465     ASN B   370                                                      
REMARK 465     SER B   371                                                      
REMARK 465     ALA B   372                                                      
REMARK 465     SER B   373                                                      
REMARK 465     PHE B   374                                                      
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   OH   TYR A   180     O    THR A   496              2.14            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    LEU A  45   CA  -  CB  -  CG  ANGL. DEV. =  16.9 DEGREES          
REMARK 500    LEU A 320   CA  -  CB  -  CG  ANGL. DEV. =  13.8 DEGREES          
REMARK 500    PRO A 389   C   -  N   -  CD  ANGL. DEV. = -17.2 DEGREES          
REMARK 500    PRO A 389   CA  -  N   -  CD  ANGL. DEV. = -16.4 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    SER A 155     -169.91   -125.24                                   
REMARK 500    TRP A 211     -156.20   -149.44                                   
REMARK 500    ALA A 212     -161.74   -126.04                                   
REMARK 500    ASP A 213       37.65     71.55                                   
REMARK 500    ASP A 225       31.72    -91.44                                   
REMARK 500    PRO A 235       44.30    -83.46                                   
REMARK 500    ASP A 250        2.97    -69.23                                   
REMARK 500    TYR A 252       98.74   -163.93                                   
REMARK 500    SER A 254       -3.74     74.77                                   
REMARK 500    ARG A 255      -23.40   -141.58                                   
REMARK 500    ARG A 273      -64.00    -93.22                                   
REMARK 500    ASP A 350       52.83    -90.64                                   
REMARK 500    PRO A 389     -175.21    -64.54                                   
REMARK 500    GLN A 442       12.00   -143.58                                   
REMARK 500    TRP A 473      -60.69   -100.15                                   
REMARK 500    MET A 474       33.26   -144.54                                   
REMARK 500    PRO A 490     -164.03    -71.83                                   
REMARK 500    LEU A 491      119.69    -38.29                                   
REMARK 500    ASP A 509       29.09     49.23                                   
REMARK 500    TYR A 515      -61.68   -125.72                                   
REMARK 500    TYR A 516      -57.89   -120.23                                   
REMARK 500    THR A 517      137.26   -172.33                                   
REMARK 500    ARG A 518       57.95     39.31                                   
REMARK 500    LYS A 541       -1.31     65.01                                   
REMARK 500    SER A 559      111.14   -162.91                                   
REMARK 500    ASN A 586        8.75    -65.54                                   
REMARK 500    LYS A 596       65.50   -106.19                                   
REMARK 500    GLU A 597      -36.62   -130.45                                   
REMARK 500    LEU B 387       -2.30    -57.78                                   
REMARK 500    ASP B 428       38.15    -95.09                                   
REMARK 500    PHE B 464       64.13     60.33                                   
REMARK 500    ASN B 481       31.23    -97.72                                   
REMARK 500    ASN B 487       -5.18     73.65                                   
REMARK 500    LEU B 517       48.22    -82.61                                   
REMARK 500    HIS B 519       36.89    -98.39                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: EMD-40979   RELATED DB: EMDB                             
REMARK 900 CRYO-EM STRUCTURE OF THE RBD-ACE2 INTERFACE OF THE SARS-COV-2        
REMARK 900 TRIMERIC SPIKE PROTEIN BOUND TO ACE2 RECEPTOR AFTER LOCAL            
REMARK 900 REFINEMENT AT UPRBD CONFORMATION                                     
DBREF1 8T23 A    1   739  UNP                  A0A7T0Q2W2_NEOVI                 
DBREF2 8T23 A     A0A7T0Q2W2                          1         739             
DBREF  8T23 B  321   528  UNP    P0DTC2   SPIKE_SARS2    321    528             
SEQADV 8T23 GLY A  740  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 SER A  741  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 GLY A  742  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 SER A  743  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 GLY A  744  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 SER A  745  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 GLY A  746  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 HIS A  747  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 HIS A  748  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 HIS A  749  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 HIS A  750  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 HIS A  751  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 HIS A  752  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 GLY A  753  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 SER A  754  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 GLY A  755  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 SER A  756  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 GLY A  757  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 LEU A  758  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 ASN A  759  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 ASP A  760  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 ILE A  761  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 PHE A  762  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 GLU A  763  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 ALA A  764  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 GLN A  765  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 LYS A  766  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 ILE A  767  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 GLU A  768  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 TRP A  769  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 HIS A  770  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 GLU A  771  UNP  A0A7T0Q2W           EXPRESSION TAG                 
SEQADV 8T23 PHE B  453  UNP  P0DTC2    TYR   453 VARIANT                        
SEQRES   1 A  771  MET LEU GLY SER SER TRP LEU LEU LEU SER LEU ALA ALA          
SEQRES   2 A  771  LEU THR ALA ALA GLN SER THR THR GLU ASP LEU ALA LYS          
SEQRES   3 A  771  THR PHE LEU GLU LYS PHE ASN TYR GLU ALA GLU GLU LEU          
SEQRES   4 A  771  SER TYR GLN ASN SER LEU ALA SER TRP ASN TYR ASN THR          
SEQRES   5 A  771  ASN ILE THR ASP GLU ASN ILE GLN LYS MET ASN ILE ALA          
SEQRES   6 A  771  GLY ALA LYS TRP SER ALA PHE TYR GLU GLU GLU SER GLN          
SEQRES   7 A  771  HIS ALA LYS THR TYR PRO LEU GLU GLU ILE GLN ASP PRO          
SEQRES   8 A  771  ILE ILE LYS ARG GLN LEU ARG ALA LEU GLN GLN SER GLY          
SEQRES   9 A  771  SER SER VAL LEU SER ALA ASP LYS ARG GLU ARG LEU ASN          
SEQRES  10 A  771  THR ILE LEU ASN ALA MET SER THR ILE TYR SER THR GLY          
SEQRES  11 A  771  LYS ALA CYS ASN PRO ASN ASN PRO GLN GLU CYS LEU LEU          
SEQRES  12 A  771  LEU GLU PRO GLY LEU ASP ASP ILE MET GLU ASN SER LYS          
SEQRES  13 A  771  ASP TYR ASN GLU ARG LEU TRP ALA TRP GLU GLY TRP ARG          
SEQRES  14 A  771  SER GLU VAL GLY LYS GLN LEU ARG PRO LEU TYR GLU GLU          
SEQRES  15 A  771  TYR VAL ALA LEU LYS ASN GLU MET ALA ARG ALA ASN ASN          
SEQRES  16 A  771  TYR GLU ASP TYR GLY ASP TYR TRP ARG GLY ASP TYR GLU          
SEQRES  17 A  771  GLU GLU TRP ALA ASP GLY TYR ASN TYR SER ARG ASN GLN          
SEQRES  18 A  771  LEU ILE GLU ASP VAL GLU HIS THR PHE THR GLN ILE LYS          
SEQRES  19 A  771  PRO LEU TYR GLU HIS LEU HIS ALA TYR VAL ARG ALA LYS          
SEQRES  20 A  771  LEU MET ASP ALA TYR PRO SER ARG ILE SER PRO THR GLY          
SEQRES  21 A  771  CYS LEU PRO ALA HIS LEU LEU GLY ASP MET TRP GLY ARG          
SEQRES  22 A  771  PHE TRP THR ASN LEU TYR PRO LEU MET VAL PRO PHE GLY          
SEQRES  23 A  771  GLN LYS PRO ASN ILE ASP VAL THR ASP ALA MET VAL ASN          
SEQRES  24 A  771  GLN SER TRP ASP ALA ARG ARG ILE PHE LYS GLU ALA GLU          
SEQRES  25 A  771  LYS PHE PHE VAL SER VAL GLY LEU PRO ASN MET THR GLU          
SEQRES  26 A  771  GLY PHE TRP GLN ASN SER MET LEU THR GLU PRO GLY ASP          
SEQRES  27 A  771  ASN ARG LYS VAL VAL CYS HIS PRO THR ALA TRP ASP LEU          
SEQRES  28 A  771  GLY LYS HIS ASP PHE ARG ILE LYS MET CYS THR LYS VAL          
SEQRES  29 A  771  THR MET ASP ASP PHE LEU THR ALA HIS HIS GLU MET GLY          
SEQRES  30 A  771  HIS ILE GLN TYR ASP MET ALA TYR ALA ALA GLN PRO PHE          
SEQRES  31 A  771  LEU LEU ARG ASN GLY ALA ASN GLU GLY PHE HIS GLU ALA          
SEQRES  32 A  771  VAL GLY GLU ILE MET SER LEU SER ALA ALA THR PRO ASN          
SEQRES  33 A  771  HIS LEU LYS ASN ILE GLY LEU LEU PRO PRO ASP PHE SER          
SEQRES  34 A  771  GLU ASP SER GLU THR ASP ILE ASN PHE LEU LEU LYS GLN          
SEQRES  35 A  771  ALA LEU THR ILE VAL GLY THR LEU PRO PHE THR TYR MET          
SEQRES  36 A  771  LEU GLU LYS TRP ARG TRP MET VAL PHE LYS GLY GLU ILE          
SEQRES  37 A  771  PRO LYS GLU GLN TRP MET GLN LYS TRP TRP GLU MET LYS          
SEQRES  38 A  771  ARG ASP ILE VAL GLY VAL VAL GLU PRO LEU PRO HIS ASP          
SEQRES  39 A  771  GLU THR TYR CYS ASP PRO ALA ALA LEU PHE HIS VAL ALA          
SEQRES  40 A  771  ASN ASP TYR SER PHE ILE ARG TYR TYR THR ARG THR ILE          
SEQRES  41 A  771  TYR GLN PHE GLN PHE GLN GLU ALA LEU CYS GLN ILE ALA          
SEQRES  42 A  771  LYS HIS GLU GLY PRO LEU TYR LYS CYS ASP ILE SER ASN          
SEQRES  43 A  771  SER ARG GLU ALA GLY GLN LYS LEU HIS GLU MET LEU SER          
SEQRES  44 A  771  LEU GLY ARG SER LYS PRO TRP THR PHE ALA LEU GLU ARG          
SEQRES  45 A  771  VAL VAL GLY ALA LYS THR MET ASP VAL ARG PRO LEU LEU          
SEQRES  46 A  771  ASN TYR PHE GLU PRO LEU PHE THR TRP LEU LYS GLU GLN          
SEQRES  47 A  771  ASN ARG ASN SER PHE VAL GLY TRP ASN THR ASP TRP SER          
SEQRES  48 A  771  PRO TYR ALA ASP GLN SER ILE LYS VAL ARG ILE SER LEU          
SEQRES  49 A  771  LYS SER ALA LEU GLY GLU LYS ALA TYR GLU TRP ASN ASP          
SEQRES  50 A  771  ASN GLU MET TYR PHE PHE GLN SER SER ILE ALA TYR ALA          
SEQRES  51 A  771  MET ARG GLU TYR PHE SER LYS VAL LYS LYS GLN THR ILE          
SEQRES  52 A  771  PRO PHE VAL ASP LYS ASP VAL ARG VAL SER ASP LEU LYS          
SEQRES  53 A  771  PRO ARG ILE SER PHE ASN PHE ILE VAL THR SER PRO GLU          
SEQRES  54 A  771  ASN MET SER ASP ILE ILE PRO ARG ALA ASP VAL GLU GLU          
SEQRES  55 A  771  ALA ILE ARG LYS SER ARG GLY ARG ILE ASN ASP ALA PHE          
SEQRES  56 A  771  ARG LEU ASP ASP ASN SER LEU GLU PHE LEU GLY ILE GLN          
SEQRES  57 A  771  PRO THR LEU GLU PRO PRO TYR GLN PRO PRO VAL GLY SER          
SEQRES  58 A  771  GLY SER GLY SER GLY HIS HIS HIS HIS HIS HIS GLY SER          
SEQRES  59 A  771  GLY SER GLY LEU ASN ASP ILE PHE GLU ALA GLN LYS ILE          
SEQRES  60 A  771  GLU TRP HIS GLU                                              
SEQRES   1 B  208  GLN PRO THR GLU SER ILE VAL ARG PHE PRO ASN ILE THR          
SEQRES   2 B  208  ASN LEU CYS PRO PHE GLY GLU VAL PHE ASN ALA THR ARG          
SEQRES   3 B  208  PHE ALA SER VAL TYR ALA TRP ASN ARG LYS ARG ILE SER          
SEQRES   4 B  208  ASN CYS VAL ALA ASP TYR SER VAL LEU TYR ASN SER ALA          
SEQRES   5 B  208  SER PHE SER THR PHE LYS CYS TYR GLY VAL SER PRO THR          
SEQRES   6 B  208  LYS LEU ASN ASP LEU CYS PHE THR ASN VAL TYR ALA ASP          
SEQRES   7 B  208  SER PHE VAL ILE ARG GLY ASP GLU VAL ARG GLN ILE ALA          
SEQRES   8 B  208  PRO GLY GLN THR GLY LYS ILE ALA ASP TYR ASN TYR LYS          
SEQRES   9 B  208  LEU PRO ASP ASP PHE THR GLY CYS VAL ILE ALA TRP ASN          
SEQRES  10 B  208  SER ASN ASN LEU ASP SER LYS VAL GLY GLY ASN TYR ASN          
SEQRES  11 B  208  TYR LEU PHE ARG LEU PHE ARG LYS SER ASN LEU LYS PRO          
SEQRES  12 B  208  PHE GLU ARG ASP ILE SER THR GLU ILE TYR GLN ALA GLY          
SEQRES  13 B  208  SER THR PRO CYS ASN GLY VAL GLU GLY PHE ASN CYS TYR          
SEQRES  14 B  208  PHE PRO LEU GLN SER TYR GLY PHE GLN PRO THR ASN GLY          
SEQRES  15 B  208  VAL GLY TYR GLN PRO TYR ARG VAL VAL VAL LEU SER PHE          
SEQRES  16 B  208  GLU LEU LEU HIS ALA PRO ALA THR VAL CYS GLY PRO LYS          
HET    NAG  G   1      14                                                       
HET    NAG  G   2      14                                                       
HET    NAG  H   1      14                                                       
HET    FUC  H   2      10                                                       
HET    NAG  A 801      14                                                       
HET    NAG  B 601      14                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM     FUC ALPHA-L-FUCOPYRANOSE                                             
HETSYN     NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-           
HETSYN   2 NAG  D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO-          
HETSYN   3 NAG  2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE                         
HETSYN     FUC ALPHA-L-FUCOSE; 6-DEOXY-ALPHA-L-GALACTOPYRANOSE; L-              
HETSYN   2 FUC  FUCOSE; FUCOSE                                                  
FORMUL   3  NAG    5(C8 H15 N O6)                                               
FORMUL   4  FUC    C6 H12 O5                                                    
HELIX    1 AA1 THR A   20  ASN A   53  1                                  34    
HELIX    2 AA2 LYS A   61  GLY A   66  1                                   6    
HELIX    3 AA3 GLY A   66  TYR A   83  1                                  18    
HELIX    4 AA4 ASP A   90  GLN A  102  1                                  13    
HELIX    5 AA5 SER A  109  THR A  129  1                                  21    
HELIX    6 AA6 LEU A  144  LEU A  148  5                                   5    
HELIX    7 AA7 ASP A  150  SER A  155  1                                   6    
HELIX    8 AA8 ASP A  157  TRP A  163  1                                   7    
HELIX    9 AA9 TRP A  163  VAL A  172  1                                  10    
HELIX   10 AB1 GLY A  173  ARG A  177  5                                   5    
HELIX   11 AB2 GLU A  182  LYS A  187  1                                   6    
HELIX   12 AB3 TYR A  199  ARG A  204  1                                   6    
HELIX   13 AB4 ARG A  219  ILE A  223  5                                   5    
HELIX   14 AB5 ASP A  225  THR A  231  1                                   7    
HELIX   15 AB6 ILE A  233  PRO A  235  5                                   3    
HELIX   16 AB7 LEU A  236  LEU A  248  1                                  13    
HELIX   17 AB8 MET A  249  TYR A  252  5                                   4    
HELIX   18 AB9 ARG A  306  SER A  317  1                                  12    
HELIX   19 AC1 THR A  324  SER A  331  1                                   8    
HELIX   20 AC2 THR A  365  ASP A  382  1                                  18    
HELIX   21 AC3 MET A  383  ALA A  386  5                                   4    
HELIX   22 AC4 PRO A  389  ARG A  393  5                                   5    
HELIX   23 AC5 ASN A  397  ALA A  413  1                                  17    
HELIX   24 AC6 PRO A  415  GLY A  422  1                                   8    
HELIX   25 AC7 ASP A  431  ASP A  435  5                                   5    
HELIX   26 AC8 ILE A  446  PHE A  452  5                                   7    
HELIX   27 AC9 THR A  453  PHE A  464  1                                  12    
HELIX   28 AD1 GLN A  475  VAL A  485  1                                  11    
HELIX   29 AD2 ASP A  499  ALA A  507  5                                   9    
HELIX   30 AD3 THR A  519  PHE A  523  5                                   5    
HELIX   31 AD4 GLN A  524  GLU A  527  5                                   4    
HELIX   32 AD5 ALA A  528  ALA A  533  1                                   6    
HELIX   33 AD6 SER A  547  HIS A  555  1                                   9    
HELIX   34 AD7 PRO A  565  GLY A  575  1                                  11    
HELIX   35 AD8 LEU A  585  TYR A  587  5                                   3    
HELIX   36 AD9 PHE A  588  LYS A  596  1                                   9    
HELIX   37 AE1 LYS B  386  LEU B  390  5                                   5    
HELIX   38 AE2 ASP B  405  ILE B  410  5                                   6    
HELIX   39 AE3 GLY B  416  ASN B  422  1                                   7    
HELIX   40 AE4 SER B  438  SER B  443  1                                   6    
SHEET    1 AA1 2 TRP A 349  GLY A 352  0                                        
SHEET    2 AA1 2 ASP A 355  ARG A 357 -1  O  ARG A 357   N  TRP A 349           
SHEET    1 AA2 3 TYR B 396  ARG B 403  0                                        
SHEET    2 AA2 3 PRO B 507  SER B 514 -1  O  SER B 514   N  TYR B 396           
SHEET    3 AA2 3 GLY B 431  ASN B 437 -1  N  ILE B 434   O  VAL B 511           
SSBOND   1 CYS A  133    CYS A  141                          1555   1555  2.02  
SSBOND   2 CYS A  344    CYS A  361                          1555   1555  2.03  
SSBOND   3 CYS A  530    CYS A  542                          1555   1555  2.04  
SSBOND   4 CYS B  336    CYS B  361                          1555   1555  2.03  
SSBOND   5 CYS B  379    CYS B  432                          1555   1555  2.04  
SSBOND   6 CYS B  480    CYS B  488                          1555   1555  2.03  
LINK         ND2 ASN A  53                 C1  NAG A 801     1555   1555  1.44  
LINK         ND2 ASN A 216                 C1  NAG H   1     1555   1555  1.46  
LINK         ND2 ASN A 322                 C1  NAG G   1     1555   1555  1.45  
LINK         ND2 ASN B 343                 C1  NAG B 601     1555   1555  1.44  
LINK         O4  NAG G   1                 C1  NAG G   2     1555   1555  1.44  
LINK         O6  NAG H   1                 C1  FUC H   2     1555   1555  1.45  
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1                      
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000