HEADER    PROTEIN BINDING                         03-AUG-23   8TOS              
TITLE     ACE2-PEPTIDE 6 COMPLEX                                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ANGIOTENSIN-CONVERTING ENZYME 2;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: PEPTIDE 6;                                                 
COMPND   7 CHAIN: E;                                                            
COMPND   8 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: ACE2;                                                          
SOURCE   6 EXPRESSION_SYSTEM: HOMO SAPIENS;                                     
SOURCE   7 EXPRESSION_SYSTEM_COMMON: HUMAN;                                     
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 9606;                                       
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 SYNTHETIC: YES;                                                      
SOURCE  11 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  12 ORGANISM_TAXID: 32630                                                
KEYWDS    PEPTIDASE, ENZYME, SARS-COV2, ANGIOTENSIN, PROTEIN BINDING            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.CHRISTIE,R.PAYNE                                                    
REVDAT   1   07-FEB-24 8TOS    0                                                
JRNL        AUTH   M.J.BEDDING,C.FRANCK,J.JOHANSEN-LEETE,A.AGGARWAL,            
JRNL        AUTH 2 J.W.C.MAXWELL,K.PATEL,P.M.E.HAWKINS,J.K.K.LOW,R.SIDDIQUEE,   
JRNL        AUTH 3 H.M.SANI,D.J.FORD,S.TURVILLE,J.P.MACKAY,T.PASSIOURA,         
JRNL        AUTH 4 M.CHRISTIE,R.J.PAYNE                                         
JRNL        TITL   DISCOVERY OF HIGH AFFINITY CYCLIC PEPTIDE LIGANDS FOR HUMAN  
JRNL        TITL 2 ACE2 WITH SARS-COV-2 ENTRY INHIBITORY ACTIVITY.              
JRNL        REF    ACS CHEM.BIOL.                V.  19   141 2024              
JRNL        REFN                   ESSN 1554-8937                               
JRNL        PMID   38085789                                                     
JRNL        DOI    10.1021/ACSCHEMBIO.3C00568                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.35 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.20.1_4487                                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 45.08                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.970                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 34870                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.183                           
REMARK   3   R VALUE            (WORKING SET) : 0.182                           
REMARK   3   FREE R VALUE                     : 0.200                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.890                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1704                            
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 45.0800 -  5.3800    1.00     2786   128  0.1706 0.1621        
REMARK   3     2  5.3800 -  4.2700    1.00     2800   138  0.1471 0.1729        
REMARK   3     3  4.2700 -  3.7300    1.00     2778   150  0.1556 0.1678        
REMARK   3     4  3.7300 -  3.3900    1.00     2763   138  0.1834 0.1685        
REMARK   3     5  3.3900 -  3.1500    0.99     2775   146  0.1906 0.2432        
REMARK   3     6  3.1500 -  2.9600    0.99     2771   137  0.2071 0.2664        
REMARK   3     7  2.9600 -  2.8100    0.99     2728   160  0.2096 0.2361        
REMARK   3     8  2.8100 -  2.6900    0.99     2742   177  0.2168 0.2215        
REMARK   3     9  2.6900 -  2.5900    0.99     2746   134  0.2037 0.2262        
REMARK   3    10  2.5900 -  2.5000    0.99     2821   111  0.2213 0.2615        
REMARK   3    11  2.5000 -  2.4200    0.99     2734   131  0.2215 0.2352        
REMARK   3    12  2.4200 -  2.3500    0.98     2722   154  0.2499 0.2798        
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)     : 0.220            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.040           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 39.62                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 53.77                          
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      :  0.003           5168                                  
REMARK   3   ANGLE     :  0.671           7014                                  
REMARK   3   CHIRALITY :  0.038            742                                  
REMARK   3   PLANARITY :  0.006            894                                  
REMARK   3   DIHEDRAL  :  5.893            698                                  
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): -32.6730  14.6346 -23.9231              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3227 T22:   0.3558                                     
REMARK   3      T33:   0.3307 T12:  -0.0082                                     
REMARK   3      T13:   0.0026 T23:   0.0126                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.3581 L22:   0.6896                                     
REMARK   3      L33:   0.3523 L12:   0.4716                                     
REMARK   3      L13:  -0.0620 L23:   0.0781                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0348 S12:   0.0871 S13:   0.1143                       
REMARK   3      S21:  -0.0251 S22:   0.0774 S23:  -0.0445                       
REMARK   3      S31:  -0.0346 S32:   0.0866 S33:   0.0001                       
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 8TOS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-AUG-23.                  
REMARK 100 THE DEPOSITION ID IS D_1000276050.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-NOV-20                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : AUSTRALIAN SYNCHROTRON             
REMARK 200  BEAMLINE                       : MX2                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9537                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS EIGER X 16M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 34882                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.350                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.080                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY                : 10.90                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.44                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 11.00                              
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 58.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.93                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG5KMME, MAGNESIUM FORMATE, SODIUM      
REMARK 280  ACETATE, PH 4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 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       4555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+2/3,Z+2/3                                   
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   SMTRY1   4  1.000000  0.000000  0.000000       89.78300            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       51.83624            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       23.41733            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       89.78300            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       51.83624            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       23.41733            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       89.78300            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       51.83624            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       23.41733            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000      103.67248            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       46.83467            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000      103.67248            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       46.83467            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000      103.67248            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       46.83467            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4150 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 25630 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, E, 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 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     GLN A    18                                                      
REMARK 465     GLY A   337                                                      
REMARK 465     ASN A   338                                                      
REMARK 465     VAL A   339                                                      
REMARK 465     GLN A   340                                                      
REMARK 465     LYS A   341                                                      
REMARK 465     GLY A   615                                                      
REMARK 465     SER A   616                                                      
REMARK 465     HIS A   617                                                      
REMARK 465     HIS A   618                                                      
REMARK 465     HIS A   619                                                      
REMARK 465     HIS A   620                                                      
REMARK 465     HIS A   621                                                      
REMARK 465     HIS A   622                                                      
REMARK 465     HIS A   623                                                      
REMARK 465     HIS A   624                                                      
REMARK 465     HIS A   625                                                      
REMARK 465     HIS A   626                                                      
REMARK 465     SER A   627                                                      
REMARK 465     GLY A   628                                                      
REMARK 465     LEU A   629                                                      
REMARK 465     ASN A   630                                                      
REMARK 465     ASP A   631                                                      
REMARK 465     ILE A   632                                                      
REMARK 465     PHE A   633                                                      
REMARK 465     GLU A   634                                                      
REMARK 465     ALA A   635                                                      
REMARK 465     GLN A   636                                                      
REMARK 465     LYS A   637                                                      
REMARK 465     ILE A   638                                                      
REMARK 465     GLU A   639                                                      
REMARK 465     TRP A   640                                                      
REMARK 465     HIS A   641                                                      
REMARK 465     GLU A   642                                                      
REMARK 465     ACE E     0                                                      
REMARK 465     TYR E     1                                                      
REMARK 465     TRP E    14                                                      
REMARK 465     CYS E    15                                                      
REMARK 465     NH2 E    16                                                      
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   OG1  THR A    78     NZ   LYS A   114     3555     2.08            
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    HIS A 195       34.77     70.79                                   
REMARK 500    SER A 254       -1.91     80.01                                   
REMARK 500    ASP A 471        2.10    -68.92                                   
REMARK 500    TRP E  10      -16.83     73.00                                   
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                              ZN A 707  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 374   NE2                                                    
REMARK 620 2 HIS A 378   NE2  94.4                                              
REMARK 620 3 GLU A 402   OE1  87.3 115.4                                        
REMARK 620 4 GLU A 402   OE2 153.1  93.7  66.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 8TOQ   RELATED DB: PDB                                   
REMARK 900 ACE2 IN COMPLEX WITH PEPTIDE- SAME CITATION                          
REMARK 900 RELATED ID: 8TOR   RELATED DB: PDB                                   
REMARK 900 PEPTIDE                                                              
DBREF  8TOS A   18   614  UNP    Q9BYF1   ACE2_HUMAN      18    614             
DBREF  8TOS E    0    16  PDB    8TOS     8TOS             0     16             
SEQADV 8TOS GLY A  615  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS SER A  616  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  617  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  618  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  619  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  620  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  621  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  622  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  623  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  624  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  625  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  626  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS SER A  627  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS GLY A  628  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS LEU A  629  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS ASN A  630  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS ASP A  631  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS ILE A  632  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS PHE A  633  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS GLU A  634  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS ALA A  635  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS GLN A  636  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS LYS A  637  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS ILE A  638  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS GLU A  639  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS TRP A  640  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS HIS A  641  UNP  Q9BYF1              EXPRESSION TAG                 
SEQADV 8TOS GLU A  642  UNP  Q9BYF1              EXPRESSION TAG                 
SEQRES   1 A  625  GLN SER THR ILE GLU GLU GLN ALA LYS THR PHE LEU ASP          
SEQRES   2 A  625  LYS PHE ASN HIS GLU ALA GLU ASP LEU PHE TYR GLN SER          
SEQRES   3 A  625  SER LEU ALA SER TRP ASN TYR ASN THR ASN ILE THR GLU          
SEQRES   4 A  625  GLU ASN VAL GLN ASN MET ASN ASN ALA GLY ASP LYS TRP          
SEQRES   5 A  625  SER ALA PHE LEU LYS GLU GLN SER THR LEU ALA GLN MET          
SEQRES   6 A  625  TYR PRO LEU GLN GLU ILE GLN ASN LEU THR VAL LYS LEU          
SEQRES   7 A  625  GLN LEU GLN ALA LEU GLN GLN ASN GLY SER SER VAL LEU          
SEQRES   8 A  625  SER GLU ASP LYS SER LYS ARG LEU ASN THR ILE LEU ASN          
SEQRES   9 A  625  THR MET SER THR ILE TYR SER THR GLY LYS VAL CYS ASN          
SEQRES  10 A  625  PRO ASP ASN PRO GLN GLU CYS LEU LEU LEU GLU PRO GLY          
SEQRES  11 A  625  LEU ASN GLU ILE MET ALA ASN SER LEU ASP TYR ASN GLU          
SEQRES  12 A  625  ARG LEU TRP ALA TRP GLU SER TRP ARG SER GLU VAL GLY          
SEQRES  13 A  625  LYS GLN LEU ARG PRO LEU TYR GLU GLU TYR VAL VAL LEU          
SEQRES  14 A  625  LYS ASN GLU MET ALA ARG ALA ASN HIS TYR GLU ASP TYR          
SEQRES  15 A  625  GLY ASP TYR TRP ARG GLY ASP TYR GLU VAL ASN GLY VAL          
SEQRES  16 A  625  ASP GLY TYR ASP TYR SER ARG GLY GLN LEU ILE GLU ASP          
SEQRES  17 A  625  VAL GLU HIS THR PHE GLU GLU ILE LYS PRO LEU TYR GLU          
SEQRES  18 A  625  HIS LEU HIS ALA TYR VAL ARG ALA LYS LEU MET ASN ALA          
SEQRES  19 A  625  TYR PRO SER TYR ILE SER PRO ILE GLY CYS LEU PRO ALA          
SEQRES  20 A  625  HIS LEU LEU GLY ASP MET TRP GLY ARG PHE TRP THR ASN          
SEQRES  21 A  625  LEU TYR SER LEU THR VAL PRO PHE GLY GLN LYS PRO ASN          
SEQRES  22 A  625  ILE ASP VAL THR ASP ALA MET VAL ASP GLN ALA TRP ASP          
SEQRES  23 A  625  ALA GLN ARG ILE PHE LYS GLU ALA GLU LYS PHE PHE VAL          
SEQRES  24 A  625  SER VAL GLY LEU PRO ASN MET THR GLN GLY PHE TRP GLU          
SEQRES  25 A  625  ASN SER MET LEU THR ASP PRO GLY ASN VAL GLN LYS ALA          
SEQRES  26 A  625  VAL CYS HIS PRO THR ALA TRP ASP LEU GLY LYS GLY ASP          
SEQRES  27 A  625  PHE ARG ILE LEU MET CYS THR LYS VAL THR MET ASP ASP          
SEQRES  28 A  625  PHE LEU THR ALA HIS HIS GLU MET GLY HIS ILE GLN TYR          
SEQRES  29 A  625  ASP MET ALA TYR ALA ALA GLN PRO PHE LEU LEU ARG ASN          
SEQRES  30 A  625  GLY ALA ASN GLU GLY PHE HIS GLU ALA VAL GLY GLU ILE          
SEQRES  31 A  625  MET SER LEU SER ALA ALA THR PRO LYS HIS LEU LYS SER          
SEQRES  32 A  625  ILE GLY LEU LEU SER PRO ASP PHE GLN GLU ASP ASN GLU          
SEQRES  33 A  625  THR GLU ILE ASN PHE LEU LEU LYS GLN ALA LEU THR ILE          
SEQRES  34 A  625  VAL GLY THR LEU PRO PHE THR TYR MET LEU GLU LYS TRP          
SEQRES  35 A  625  ARG TRP MET VAL PHE LYS GLY GLU ILE PRO LYS ASP GLN          
SEQRES  36 A  625  TRP MET LYS LYS TRP TRP GLU MET LYS ARG GLU ILE VAL          
SEQRES  37 A  625  GLY VAL VAL GLU PRO VAL PRO HIS ASP GLU THR TYR CYS          
SEQRES  38 A  625  ASP PRO ALA SER LEU PHE HIS VAL SER ASN ASP TYR SER          
SEQRES  39 A  625  PHE ILE ARG TYR TYR THR ARG THR LEU TYR GLN PHE GLN          
SEQRES  40 A  625  PHE GLN GLU ALA LEU CYS GLN ALA ALA LYS HIS GLU GLY          
SEQRES  41 A  625  PRO LEU HIS LYS CYS ASP ILE SER ASN SER THR GLU ALA          
SEQRES  42 A  625  GLY GLN LYS LEU PHE ASN MET LEU ARG LEU GLY LYS SER          
SEQRES  43 A  625  GLU PRO TRP THR LEU ALA LEU GLU ASN VAL VAL GLY ALA          
SEQRES  44 A  625  LYS ASN MET ASN VAL ARG PRO LEU LEU ASN TYR PHE GLU          
SEQRES  45 A  625  PRO LEU PHE THR TRP LEU LYS ASP GLN ASN LYS ASN SER          
SEQRES  46 A  625  PHE VAL GLY TRP SER THR ASP TRP SER PRO TYR ALA GLY          
SEQRES  47 A  625  SER HIS HIS HIS HIS HIS HIS HIS HIS HIS HIS SER GLY          
SEQRES  48 A  625  LEU ASN ASP ILE PHE GLU ALA GLN LYS ILE GLU TRP HIS          
SEQRES  49 A  625  GLU                                                          
SEQRES   1 E   17  ACE TYR ALA ARG PRO LEU ARG HIS ARG PRO TRP TYR VAL          
SEQRES   2 E   17  SER TRP CYS NH2                                              
HET    NAG  B   1      26                                                       
HET    FUC  B   2      20                                                       
HET    NAG  C   1      26                                                       
HET    FUC  C   2      20                                                       
HET    GOL  A 701      14                                                       
HET    GOL  A 702      14                                                       
HET    NAG  A 703      27                                                       
HET    GOL  A 704      14                                                       
HET    GOL  A 705      14                                                       
HET    GOL  A 706      14                                                       
HET     ZN  A 707       1                                                       
HET     CL  A 708       1                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM     FUC ALPHA-L-FUCOPYRANOSE                                             
HETNAM     GOL GLYCEROL                                                         
HETNAM      ZN ZINC ION                                                         
HETNAM      CL CHLORIDE ION                                                     
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                                                  
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   3  NAG    3(C8 H15 N O6)                                               
FORMUL   3  FUC    2(C6 H12 O5)                                                 
FORMUL   5  GOL    5(C3 H8 O3)                                                  
FORMUL  11   ZN    ZN 2+                                                        
FORMUL  12   CL    CL 1-                                                        
FORMUL  13  HOH   *109(H2 O)                                                    
HELIX    1 AA1 SER A   19  ASN A   53  1                                  35    
HELIX    2 AA2 THR A   55  GLN A   81  1                                  27    
HELIX    3 AA3 MET A   82  TYR A   83  5                                   2    
HELIX    4 AA4 PRO A   84  ILE A   88  5                                   5    
HELIX    5 AA5 ASN A   90  GLN A  102  1                                  13    
HELIX    6 AA6 ASN A  103  LEU A  108  5                                   6    
HELIX    7 AA7 SER A  109  THR A  129  1                                  21    
HELIX    8 AA8 PRO A  146  SER A  155  1                                  10    
HELIX    9 AA9 ASP A  157  ASN A  194  1                                  38    
HELIX   10 AB1 ASP A  198  GLY A  205  1                                   8    
HELIX   11 AB2 ASP A  206  GLU A  208  5                                   3    
HELIX   12 AB3 SER A  218  TYR A  252  1                                  35    
HELIX   13 AB4 HIS A  265  LEU A  267  5                                   3    
HELIX   14 AB5 TRP A  275  ASN A  277  5                                   3    
HELIX   15 AB6 LEU A  278  VAL A  283  1                                   6    
HELIX   16 AB7 VAL A  293  GLN A  300  1                                   8    
HELIX   17 AB8 ASP A  303  VAL A  318  1                                  16    
HELIX   18 AB9 THR A  324  SER A  331  1                                   8    
HELIX   19 AC1 THR A  365  TYR A  385  1                                  21    
HELIX   20 AC2 PRO A  389  ARG A  393  5                                   5    
HELIX   21 AC3 GLY A  399  THR A  414  1                                  16    
HELIX   22 AC4 THR A  414  ILE A  421  1                                   8    
HELIX   23 AC5 ASP A  431  VAL A  447  1                                  17    
HELIX   24 AC6 GLY A  448  GLY A  466  1                                  19    
HELIX   25 AC7 PRO A  469  ASP A  471  5                                   3    
HELIX   26 AC8 GLN A  472  ILE A  484  1                                  13    
HELIX   27 AC9 ASP A  499  SER A  502  5                                   4    
HELIX   28 AD1 LEU A  503  ASN A  508  1                                   6    
HELIX   29 AD2 ILE A  513  ALA A  533  1                                  21    
HELIX   30 AD3 PRO A  538  CYS A  542  5                                   5    
HELIX   31 AD4 SER A  547  ARG A  559  1                                  13    
HELIX   32 AD5 PRO A  565  GLY A  575  1                                  11    
HELIX   33 AD6 VAL A  581  PHE A  588  1                                   8    
HELIX   34 AD7 PHE A  588  ASN A  599  1                                  12    
HELIX   35 AD8 LYS A  600  SER A  602  5                                   3    
SHEET    1 AA1 2 LYS A 131  CYS A 133  0                                        
SHEET    2 AA1 2 CYS A 141  LEU A 143 -1  O  LEU A 142   N  VAL A 132           
SHEET    1 AA2 2 LEU A 262  PRO A 263  0                                        
SHEET    2 AA2 2 VAL A 487  VAL A 488  1  O  VAL A 488   N  LEU A 262           
SHEET    1 AA3 2 THR A 347  GLY A 352  0                                        
SHEET    2 AA3 2 ASP A 355  LEU A 359 -1  O  ARG A 357   N  TRP A 349           
SHEET    1 AA4 2 ARG E   3  PRO E   4  0                                        
SHEET    2 AA4 2 TYR E  11  VAL E  12 -1  O  VAL E  12   N  ARG E   3           
SSBOND   1 CYS A  133    CYS A  141                          1555   1555  2.04  
SSBOND   2 CYS A  344    CYS A  361                          1555   1555  2.03  
SSBOND   3 CYS A  530    CYS A  542                          1555   1555  2.03  
LINK         ND2 ASN A  90                 C1  NAG B   1     1555   1555  1.44  
LINK         ND2 ASN A 103                 C1  NAG C   1     1555   1555  1.41  
LINK         ND2 ASN A 546                 C1  NAG A 703     1555   1555  1.43  
LINK         O6  NAG B   1                 C1  FUC B   2     1555   1555  1.44  
LINK         O6  NAG C   1                 C1  FUC C   2     1555   1555  1.44  
LINK         NE2 HIS A 374                ZN    ZN A 707     1555   1555  2.04  
LINK         NE2 HIS A 378                ZN    ZN A 707     1555   1555  2.04  
LINK         OE1 GLU A 402                ZN    ZN A 707     1555   1555  2.02  
LINK         OE2 GLU A 402                ZN    ZN A 707     1555   1555  2.00  
CISPEP   1 GLU A  145    PRO A  146          0        -2.01                     
CISPEP   2 ARG E    8    PRO E    9          0        15.08                     
CRYST1  179.566  179.566   70.252  90.00  90.00 120.00 H 3           9          
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      0.005569  0.003215  0.000000        0.00000                         
SCALE2      0.000000  0.006431  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014234        0.00000