HEADER    OXYGEN STORAGE                          21-AUG-19   6KRC              
TITLE     AN X-RAY STRUCTURE OF FERRIC F43Y/F46S SPERM WHALE MYOGLOBIN          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MYOGLOBIN;                                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PHYSETER MACROCEPHALUS;                         
SOURCE   3 ORGANISM_COMMON: SPERM WHALE;                                        
SOURCE   4 ORGANISM_TAXID: 9755;                                                
SOURCE   5 GENE: MB;                                                            
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    MYOGLOBIN, OXYGEN STORAGE                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.YUAN,Y.W.LIN                                                        
REVDAT   2   22-NOV-23 6KRC    1       REMARK                                   
REVDAT   1   01-JUL-20 6KRC    0                                                
JRNL        AUTH   P.ZHANG,H.YUAN,J.XU,X.J.WANG,S.Q.GAO,X.TAN,Y.W.LIN           
JRNL        TITL   A CATALYTIC BINDING SITE TOGETHER WITH A DISTAL TYR IN       
JRNL        TITL 2 MYOGLOBINAFFORDS CATALYTIC EFFICIENCIES SIMILAR TO NATURAL   
JRNL        TITL 3 PEROXIDASES.                                                 
JRNL        REF    ACS CATALYSIS                 V.  10   891 2020              
JRNL        REFN                   ESSN 2155-5435                               
JRNL        DOI    10.1021/ACSCATAL.9B05080                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.39 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.13_2998                                     
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 : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.39                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.72                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.380                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 31345                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.136                           
REMARK   3   R VALUE            (WORKING SET) : 0.134                           
REMARK   3   FREE R VALUE                     : 0.173                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1567                            
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 10.0000 -  3.0900    1.00     2895   149  0.1465 0.1824        
REMARK   3     2  3.0900 -  2.4500    1.00     2774   139  0.1458 0.1678        
REMARK   3     3  2.4500 -  2.1400    1.00     2717   157  0.1242 0.1695        
REMARK   3     4  2.1400 -  1.9400    1.00     2703   150  0.1139 0.1665        
REMARK   3     5  1.9400 -  1.8000    1.00     2676   157  0.1204 0.1724        
REMARK   3     6  1.8000 -  1.7000    1.00     2711   129  0.1114 0.1621        
REMARK   3     7  1.7000 -  1.6100    1.00     2679   143  0.1105 0.1465        
REMARK   3     8  1.6100 -  1.5400    1.00     2676   133  0.1066 0.1509        
REMARK   3     9  1.5400 -  1.4800    1.00     2672   147  0.1126 0.1847        
REMARK   3    10  1.4800 -  1.4300    1.00     2648   147  0.1251 0.1876        
REMARK   3    11  1.4300 -  1.3900    0.97     2627   116  0.1451 0.2210        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
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)     : 0.115            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 14.952           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 14.49                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.49                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.009           1376                                  
REMARK   3   ANGLE     :  2.804           1877                                  
REMARK   3   CHIRALITY :  0.160            196                                  
REMARK   3   PLANARITY :  0.007            237                                  
REMARK   3   DIHEDRAL  :  9.852           1086                                  
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 6KRC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-AUG-19.                  
REMARK 100 THE DEPOSITION ID IS D_1300013507.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-NOV-17                          
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                       : BL18U1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.987                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 S 6M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-3000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-3000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 31430                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.390                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 4.600                              
REMARK 200  R MERGE                    (I) : 0.10700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.39                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.42                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.76200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 5XKV                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.13                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG8000, 0.1 M NAAC, 0.1 M MES PH    
REMARK 280  6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       19.88800            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       39.33700            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       24.18900            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       39.33700            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       19.88800            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       24.18900            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1110 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 7830 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 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 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   304     O    HOH A   331              2.01            
REMARK 500   O    HOH A   304     O    HOH A   387              2.07            
REMARK 500   O    HOH A   516     O    HOH A   517              2.19            
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  20       70.09   -156.33                                   
REMARK 500    LYS A  96      -60.49   -107.50                                   
REMARK 500    LYS A  98       63.53     61.55                                   
REMARK 500    PHE A 123       53.47   -148.83                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 512        DISTANCE =  6.08 ANGSTROMS                       
REMARK 525    HOH A 513        DISTANCE =  6.41 ANGSTROMS                       
REMARK 525    HOH A 514        DISTANCE =  6.54 ANGSTROMS                       
REMARK 525    HOH A 515        DISTANCE =  6.82 ANGSTROMS                       
REMARK 525    HOH A 516        DISTANCE =  7.20 ANGSTROMS                       
REMARK 525    HOH A 517        DISTANCE =  7.36 ANGSTROMS                       
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                             HEM A 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  93   NE2                                                    
REMARK 620 2 HEM A 201   NA   91.6                                              
REMARK 620 3 HEM A 201   NB   91.3  88.9                                        
REMARK 620 4 HEM A 201   NC  100.7 167.2  94.4                                  
REMARK 620 5 HEM A 201   ND   95.0  84.4 170.9  90.9                            
REMARK 620 6 HOH A 331   O   177.5  89.4  91.0  78.1  82.8                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEM A 201                 
DBREF  6KRC A    1   153  UNP    P02185   MYG_PHYMC        2    154             
SEQADV 6KRC TYR A   43  UNP  P02185    PHE    44 ENGINEERED MUTATION            
SEQADV 6KRC SER A   46  UNP  P02185    PHE    47 ENGINEERED MUTATION            
SEQRES   1 A  153  VAL LEU SER GLU GLY GLU TRP GLN LEU VAL LEU HIS VAL          
SEQRES   2 A  153  TRP ALA LYS VAL GLU ALA ASP VAL ALA GLY HIS GLY GLN          
SEQRES   3 A  153  ASP ILE LEU ILE ARG LEU PHE LYS SER HIS PRO GLU THR          
SEQRES   4 A  153  LEU GLU LYS TYR ASP ARG SER LYS HIS LEU LYS THR GLU          
SEQRES   5 A  153  ALA GLU MET LYS ALA SER GLU ASP LEU LYS LYS HIS GLY          
SEQRES   6 A  153  VAL THR VAL LEU THR ALA LEU GLY ALA ILE LEU LYS LYS          
SEQRES   7 A  153  LYS GLY HIS HIS GLU ALA GLU LEU LYS PRO LEU ALA GLN          
SEQRES   8 A  153  SER HIS ALA THR LYS HIS LYS ILE PRO ILE LYS TYR LEU          
SEQRES   9 A  153  GLU PHE ILE SER GLU ALA ILE ILE HIS VAL LEU HIS SER          
SEQRES  10 A  153  ARG HIS PRO GLY ASP PHE GLY ALA ASP ALA GLN GLY ALA          
SEQRES  11 A  153  MET ASN LYS ALA LEU GLU LEU PHE ARG LYS ASP ILE ALA          
SEQRES  12 A  153  ALA LYS TYR LYS GLU LEU GLY TYR GLN GLY                      
HET    HEM  A 201      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3  HOH   *217(H2 O)                                                    
HELIX    1 AA1 SER A    3  ALA A   19  1                                  17    
HELIX    2 AA2 ASP A   20  HIS A   36  1                                  17    
HELIX    3 AA3 PRO A   37  TYR A   43  5                                   7    
HELIX    4 AA4 ARG A   45  LEU A   49  5                                   5    
HELIX    5 AA5 THR A   51  SER A   58  1                                   8    
HELIX    6 AA6 SER A   58  LYS A   78  1                                  21    
HELIX    7 AA7 HIS A   82  LYS A   96  1                                  15    
HELIX    8 AA8 PRO A  100  HIS A  119  1                                  20    
HELIX    9 AA9 PRO A  120  PHE A  123  5                                   4    
HELIX   10 AB1 GLY A  124  LEU A  149  1                                  26    
LINK         NE2 HIS A  93                FE   HEM A 201     1555   1555  2.16  
LINK        FE   HEM A 201                 O   HOH A 331     1555   1555  2.23  
SITE     1 AC1 19 THR A  39  LYS A  42  TYR A  43  HIS A  64                    
SITE     2 AC1 19 THR A  67  VAL A  68  ALA A  71  LEU A  89                    
SITE     3 AC1 19 SER A  92  HIS A  93  HIS A  97  ILE A  99                    
SITE     4 AC1 19 TYR A 103  HOH A 310  HOH A 331  HOH A 339                    
SITE     5 AC1 19 HOH A 344  HOH A 387  HOH A 489                               
CRYST1   39.776   48.378   78.674  90.00  90.00  90.00 P 21 21 21    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      0.025141  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.020671  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012711        0.00000