HEADER    VIRAL PROTEIN                           17-OCT-22   8H6I              
TITLE     THE CRYSTAL STRUCTURE OF SARS-COV-2 3C-LIKE PROTEASE DOUBLE MUTANT    
TITLE    2 (L50F AND E166V) IN COMPLEX WITH A TRADITIONAL CHINESE MEDICINE      
TITLE    3 INHIBITORS                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 3C-LIKE PROTEINASE NSP5;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: 3CL-PRO,3CLP,MAIN PROTEASE,MPRO,NON-STRUCTURAL PROTEIN 5,   
COMPND   5 NSP5,SARS CORONAVIRUS MAIN PROTEINASE;                               
COMPND   6 EC: 3.4.22.69;                                                       
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS   
SOURCE   3 2;                                                                   
SOURCE   4 ORGANISM_COMMON: 2019-NCOV, SARS-COV-2;                              
SOURCE   5 ORGANISM_TAXID: 2697049;                                             
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    SARS-COV-2, MUTANT, VIRAL PROTEIN                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.LIN,X.LIU                                                           
REVDAT   3   23-OCT-24 8H6I    1       REMARK                                   
REVDAT   2   25-OCT-23 8H6I    1       JRNL                                     
REVDAT   1   11-OCT-23 8H6I    0                                                
JRNL        AUTH   Y.DUAN,H.ZHOU,X.LIU,S.IKETANI,M.LIN,X.ZHANG,Q.BIAN,H.WANG,   
JRNL        AUTH 2 H.SUN,S.J.HONG,B.CULBERTSON,H.MOHRI,M.I.LUCK,Y.ZHU,X.LIU,    
JRNL        AUTH 3 Y.LU,X.YANG,K.YANG,Y.SABO,A.CHAVEZ,S.P.GOFF,Z.RAO,D.D.HO,    
JRNL        AUTH 4 H.YANG                                                       
JRNL        TITL   MOLECULAR MECHANISMS OF SARS-COV-2 RESISTANCE TO             
JRNL        TITL 2 NIRMATRELVIR.                                                
JRNL        REF    NATURE                        V. 622   376 2023              
JRNL        REFN                   ESSN 1476-4687                               
JRNL        PMID   37696289                                                     
JRNL        DOI    10.1038/S41586-023-06609-0                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.19.2_4158                                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 43.38                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.980                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 20854                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.201                           
REMARK   3   R VALUE            (WORKING SET) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.227                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.580                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1997                            
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 43.3800 -  4.5800    0.99     1396   148  0.1824 0.1889        
REMARK   3     2  4.5700 -  3.6300    1.00     1370   146  0.1641 0.1785        
REMARK   3     3  3.6300 -  3.1700    1.00     1346   142  0.1835 0.2010        
REMARK   3     4  3.1700 -  2.8800    1.00     1374   145  0.2041 0.2402        
REMARK   3     5  2.8800 -  2.6800    1.00     1354   144  0.2224 0.2580        
REMARK   3     6  2.6800 -  2.5200    0.99     1343   140  0.2189 0.3043        
REMARK   3     7  2.5200 -  2.3900    0.99     1358   144  0.2275 0.2851        
REMARK   3     8  2.3900 -  2.2900    1.00     1344   142  0.2250 0.2951        
REMARK   3     9  2.2900 -  2.2000    0.99     1339   142  0.2187 0.2694        
REMARK   3    10  2.2000 -  2.1200    0.99     1311   138  0.2169 0.2577        
REMARK   3    11  2.1200 -  2.0600    0.99     1340   143  0.2198 0.2793        
REMARK   3    12  2.0600 -  2.0000    0.99     1345   142  0.2420 0.2970        
REMARK   3    13  2.0000 -  1.9500    0.98     1324   142  0.2531 0.2733        
REMARK   3    14  1.9500 -  1.9000    0.97     1313   139  0.2621 0.3148        
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)     : 0.240            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.120           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 32.24                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 36.62                          
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      :   NULL           NULL                                  
REMARK   3   ANGLE     :   NULL           NULL                                  
REMARK   3   CHIRALITY :   NULL           NULL                                  
REMARK   3   PLANARITY :   NULL           NULL                                  
REMARK   3   DIHEDRAL  :   NULL           NULL                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 8H6I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 25-OCT-22.                  
REMARK 100 THE DEPOSITION ID IS D_1300032931.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 28-SEP-22                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL02U1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.978490                           
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M                 
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : AUTOPROC                           
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 20854                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 43.380                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY                : 6.502                              
REMARK 200  R MERGE                    (I) : 0.07500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.1500                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.01                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.26                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.42600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.020                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHENIX                                                
REMARK 200 STARTING MODEL: 7VIC                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 37.92                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.98                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2% W/V LIDOCAINE HYDROCHLORIDE         
REMARK 280  MONOHYDRATE, 0.2% W/V PROCAINE HYDROCHLORIDE, 0.2% W/V              
REMARK 280  PROPARACAINE HYDROCHLORIDE, 0.2% W/V TETRACAINE HYDROCHLORIDE,      
REMARK 280  0.1 M BUFFER SYSTEM 2 PH 7.5 (SODIUM HEPES, MOPS ACID), 20% V/V     
REMARK 280  ETHYLENE GLYCOL, 10% W/V PEG 8,000, EVAPORATION, TEMPERATURE 293K   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       57.51900            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       26.85150            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       57.51900            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       26.85150            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2440 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 24910 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 596  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLY A   302                                                      
REMARK 465     VAL A   303                                                      
REMARK 465     THR A   304                                                      
REMARK 465     PHE A   305                                                      
REMARK 465     GLN A   306                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     PHE A 140    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     TYR A 154    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     ARG A 217    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG A 222    CG   CD   NE   CZ   NH1  NH2                        
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   O    HOH A   613     O    HOH A   619              2.09            
REMARK 500   O    HOH A   588     O    HOH A   606              2.13            
REMARK 500   OD2  ASP A    34     NZ   LYS A    90              2.15            
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    ASP A  33     -131.30     52.19                                   
REMARK 500    ASN A  51       65.73   -154.79                                   
REMARK 500    ASN A  84     -120.79     51.73                                   
REMARK 500    TYR A 154     -105.70     59.06                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  8H6I A    1   306  UNP    P0DTC1   R1A_SARS2     3264   3569             
SEQADV 8H6I PHE A   50  UNP  P0DTC1    LEU  3313 ENGINEERED MUTATION            
SEQADV 8H6I LEU A  100  UNP  P0DTC1    LYS  3363 CONFLICT                       
SEQADV 8H6I VAL A  166  UNP  P0DTC1    GLU  3429 ENGINEERED MUTATION            
SEQRES   1 A  306  SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL          
SEQRES   2 A  306  GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR          
SEQRES   3 A  306  LEU ASN GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO          
SEQRES   4 A  306  ARG HIS VAL ILE CYS THR SER GLU ASP MET PHE ASN PRO          
SEQRES   5 A  306  ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN          
SEQRES   6 A  306  PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE          
SEQRES   7 A  306  GLY HIS SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL          
SEQRES   8 A  306  ASP THR ALA ASN PRO LYS THR PRO LEU TYR LYS PHE VAL          
SEQRES   9 A  306  ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS          
SEQRES  10 A  306  TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET          
SEQRES  11 A  306  ARG PRO ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY          
SEQRES  12 A  306  SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS          
SEQRES  13 A  306  VAL SER PHE CYS TYR MET HIS HIS MET VAL LEU PRO THR          
SEQRES  14 A  306  GLY VAL HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR          
SEQRES  15 A  306  GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY          
SEQRES  16 A  306  THR ASP THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU          
SEQRES  17 A  306  TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN          
SEQRES  18 A  306  ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA          
SEQRES  19 A  306  MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL          
SEQRES  20 A  306  ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA          
SEQRES  21 A  306  VAL LEU ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN          
SEQRES  22 A  306  ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU          
SEQRES  23 A  306  LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN          
SEQRES  24 A  306  CYS SER GLY VAL THR PHE GLN                                  
HET    ODN  A 401      26                                                       
HETNAM     ODN (1BETA,6BETA,7BETA,8ALPHA,9BETA,10ALPHA,13ALPHA,14R,             
HETNAM   2 ODN  16BETA)-1,6,7,14-TETRAHYDROXY-7,20-EPOXYKAURAN-15-ONE           
FORMUL   2  ODN    C20 H30 O6                                                   
FORMUL   3  HOH   *126(H2 O)                                                    
HELIX    1 AA1 SER A   10  GLY A   15  1                                   6    
HELIX    2 AA2 HIS A   41  CYS A   44  5                                   4    
HELIX    3 AA3 GLU A   47  ASN A   51  5                                   5    
HELIX    4 AA4 ASN A   53  ARG A   60  1                                   8    
HELIX    5 AA5 SER A   62  HIS A   64  5                                   3    
HELIX    6 AA6 ILE A  200  ASN A  214  1                                  15    
HELIX    7 AA7 THR A  226  TYR A  237  1                                  12    
HELIX    8 AA8 THR A  243  LEU A  250  1                                   8    
HELIX    9 AA9 LEU A  250  GLY A  258  1                                   9    
HELIX   10 AB1 ALA A  260  GLY A  275  1                                  16    
HELIX   11 AB2 THR A  292  SER A  301  1                                  10    
SHEET    1 AA1 7 VAL A  73  LEU A  75  0                                        
SHEET    2 AA1 7 PHE A  66  ALA A  70 -1  N  ALA A  70   O  VAL A  73           
SHEET    3 AA1 7 MET A  17  CYS A  22 -1  N  THR A  21   O  LEU A  67           
SHEET    4 AA1 7 THR A  25  LEU A  32 -1  O  LEU A  27   N  VAL A  20           
SHEET    5 AA1 7 VAL A  35  PRO A  39 -1  O  TYR A  37   N  LEU A  30           
SHEET    6 AA1 7 VAL A  86  VAL A  91 -1  O  LEU A  87   N  CYS A  38           
SHEET    7 AA1 7 VAL A  77  GLN A  83 -1  N  GLN A  83   O  VAL A  86           
SHEET    1 AA2 5 LEU A 100  PHE A 103  0                                        
SHEET    2 AA2 5 CYS A 156  VAL A 166  1  O  VAL A 157   N  LEU A 100           
SHEET    3 AA2 5 VAL A 148  ASP A 153 -1  N  ASN A 151   O  SER A 158           
SHEET    4 AA2 5 THR A 111  TYR A 118 -1  N  SER A 113   O  PHE A 150           
SHEET    5 AA2 5 SER A 121  ALA A 129 -1  O  SER A 123   N  ALA A 116           
SHEET    1 AA3 3 LEU A 100  PHE A 103  0                                        
SHEET    2 AA3 3 CYS A 156  VAL A 166  1  O  VAL A 157   N  LEU A 100           
SHEET    3 AA3 3 HIS A 172  THR A 175 -1  O  ALA A 173   N  MET A 165           
LINK         SG  CYS A 145                 C14 ODN A 401     1555   1555  1.75  
CRYST1  115.038   53.703   44.505  90.00 102.93  90.00 C 1 2 1       4          
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      0.008693  0.000000  0.001996        0.00000                         
SCALE2      0.000000  0.018621  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.023054        0.00000