HEADER    PHOTOSYNTHESIS                          16-APR-13   4K7B              
TITLE     CRYSTAL STRUCTURE OF EXTRINSIC PROTEIN IN PHOTOSYSTEM II              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: EXTRINSIC PROTEIN IN PHOTOSYSTEM II;                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 56-179;                                       
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: CHAETOCEROS GRACILIS;                           
SOURCE   3 ORGANISM_TAXID: 184592;                                              
SOURCE   4 GENE: PSB31;                                                         
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PHOTOSYNTHESIS                                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.NAGAO,M.SUGA,A.NIIKURA,A.OKUMURA,F.H.M.KOUA,T.SUZUKI,T.TOMO,        
AUTHOR   2 I.ENAMI,J.R.SHEN                                                     
REVDAT   3   20-MAR-24 4K7B    1       REMARK                                   
REVDAT   2   16-OCT-13 4K7B    1       JRNL                                     
REVDAT   1   18-SEP-13 4K7B    0                                                
JRNL        AUTH   R.NAGAO,M.SUGA,A.NIIKURA,A.OKUMURA,F.H.KOUA,T.SUZUKI,T.TOMO, 
JRNL        AUTH 2 I.ENAMI,J.R.SHEN                                             
JRNL        TITL   CRYSTAL STRUCTURE OF PSB31, A NOVEL EXTRINSIC PROTEIN OF     
JRNL        TITL 2 PHOTOSYSTEM II FROM A MARINE CENTRIC DIATOM AND IMPLICATIONS 
JRNL        TITL 3 FOR ITS BINDING AND FUNCTION                                 
JRNL        REF    BIOCHEMISTRY                  V.  52  6646 2013              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   23988112                                                     
JRNL        DOI    10.1021/BI400770D                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.55 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.8_1069                                      
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MLHL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.25                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.940                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 22426                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.186                           
REMARK   3   R VALUE            (WORKING SET) : 0.186                           
REMARK   3   FREE R VALUE                     : 0.195                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.990                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1118                            
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 30.2543 -  3.0990    0.99     2756   130  0.1827 0.1709        
REMARK   3     2  3.0990 -  2.4601    1.00     2711   129  0.1896 0.1935        
REMARK   3     3  2.4601 -  2.1493    1.00     2665   144  0.1763 0.2199        
REMARK   3     4  2.1493 -  1.9528    1.00     2597   157  0.1809 0.1863        
REMARK   3     5  1.9528 -  1.8128    1.00     2680   143  0.1769 0.2022        
REMARK   3     6  1.8128 -  1.7060    1.00     2653   151  0.1917 0.2397        
REMARK   3     7  1.7060 -  1.6205    1.00     2624   140  0.2046 0.2260        
REMARK   3     8  1.6205 -  1.5500    1.00     2622   124  0.2208 0.2207        
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)     : 0.130            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.920           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 16.05                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.38                          
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      :  0.007            906                                  
REMARK   3   ANGLE     :  1.166           1230                                  
REMARK   3   CHIRALITY :  0.077            131                                  
REMARK   3   PLANARITY :  0.005            163                                  
REMARK   3   DIHEDRAL  : 11.744            345                                  
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):  42.9653 -13.5112 -13.9442              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1467 T22:   0.0697                                     
REMARK   3      T33:   0.0909 T12:   0.0243                                     
REMARK   3      T13:  -0.0131 T23:   0.0101                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.1185 L22:   0.7536                                     
REMARK   3      L33:   1.0240 L12:   0.5905                                     
REMARK   3      L13:  -0.2969 L23:  -0.0043                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0715 S12:   0.0414 S13:   0.0147                       
REMARK   3      S21:   0.0547 S22:  -0.0390 S23:   0.0000                       
REMARK   3      S31:  -0.0988 S32:  -0.0939 S33:  -0.0252                       
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 4K7B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-APR-13.                  
REMARK 100 THE DEPOSITION ID IS D_1000078981.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-JUN-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL41XU                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RAYONIX MX225HE                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22604                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.547                              
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     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 6.100                              
REMARK 200  R MERGE                    (I) : 0.06100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.4000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.58                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.49900                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS, MOLECULAR             
REMARK 200  REPLACEMENT                                                         
REMARK 200 SOFTWARE USED: PHASER, SHELX, SHELXD                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.66                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.0, VAPOR DIFFUSION, SITTING DROP    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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       10.42767            
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       20.85533            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       20.85533            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       10.42767            
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 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 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 361  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 380  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     ASP A     1                                                      
REMARK 465     GLY A     2                                                      
REMARK 465     SER A   114                                                      
REMARK 465     ARG A   115                                                      
REMARK 465     THR A   116                                                      
REMARK 465     LYS A   117                                                      
REMARK 465     ALA A   118                                                      
REMARK 465     GLY A   119                                                      
REMARK 465     ALA A   120                                                      
REMARK 465     ILE A   121                                                      
REMARK 465     TYR A   122                                                      
REMARK 465     VAL A   123                                                      
REMARK 465     ARG A   124                                                      
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     GLU A  97    CG   CD   OE1  OE2                                  
REMARK 470     ILE A  98    CG1  CG2  CD1                                       
REMARK 470     ASN A  99    CG   OD1  ND2                                       
REMARK 470     SER A 100    OG                                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A 100       47.75    -74.87                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 203                 
DBREF  4K7B A    1   124  UNP    B6ZHE7   B6ZHE7_9STRA    56    179             
SEQRES   1 A  124  ASP GLY ALA VAL SER SER ALA THR ILE ASN ARG ALA ARG          
SEQRES   2 A  124  GLY LEU TYR GLY ASP ARG ILE ALA ALA LEU LYS ASP ALA          
SEQRES   3 A  124  VAL ALA ALA GLY ASP PHE LYS ALA ILE ALA GLU GLU LYS          
SEQRES   4 A  124  ASN ALA PHE ILE LEU PHE ASN SER GLY ALA TYR PRO THR          
SEQRES   5 A  124  ASN LYS ALA LYS LYS ASN ALA ALA ILE ALA GLN THR ASN          
SEQRES   6 A  124  GLU ILE PHE LYS ALA ILE ARG SER GLY ASP LYS ALA ALA          
SEQRES   7 A  124  VAL LYS SER ALA TYR ASP ALA TYR MET ALA ALA ASN GLU          
SEQRES   8 A  124  ILE ARG PRO LEU PRO GLU ILE ASN SER ASN VAL GLY GLN          
SEQRES   9 A  124  GLY TYR SER SER GLU PHE ASP PHE ARG SER ARG THR LYS          
SEQRES  10 A  124  ALA GLY ALA ILE TYR VAL ARG                                  
HET    SO4  A 201       5                                                       
HET    SO4  A 202       5                                                       
HET    GOL  A 203       6                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2  SO4    2(O4 S 2-)                                                   
FORMUL   4  GOL    C3 H8 O3                                                     
FORMUL   5  HOH   *99(H2 O)                                                     
HELIX    1   1 SER A    5  ALA A   22  1                                  18    
HELIX    2   2 LEU A   23  GLY A   30  1                                   8    
HELIX    3   3 ASP A   31  GLU A   38  1                                   8    
HELIX    4   4 GLU A   38  TYR A   50  1                                  13    
HELIX    5   5 ASN A   53  GLY A   74  1                                  22    
HELIX    6   6 ASP A   75  ASN A   90  1                                  16    
HELIX    7   7 SER A  107  ARG A  113  1                                   7    
SITE     1 AC1  5 ALA A  49  TYR A  50  PRO A  51  THR A  52                    
SITE     2 AC1  5 ASN A  53                                                     
SITE     1 AC2  7 ARG A  19  PHE A  32  LYS A  33  ASN A  40                    
SITE     2 AC2  7 ARG A 113  HOH A 318  HOH A 383                               
SITE     1 AC3  7 ALA A  55  LYS A  56  ARG A  93  SER A 107                    
SITE     2 AC3  7 SER A 108  GLU A 109  HOH A 337                               
CRYST1   92.411   92.411   31.283  90.00  90.00 120.00 P 31 2 1      6          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.010821  0.006248  0.000000        0.00000                         
SCALE2      0.000000  0.012495  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.031966        0.00000