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Database: PDB
Entry: 4XHB
LinkDB: 4XHB
Original site: 4XHB 
HEADER    HYDROLASE                               05-JAN-15   4XHB              
TITLE     CRYSTAL STRUCTURE OF THE NANB SIALIDASE FROM STREPTOCOCCUS PNEUMONIAE 
TITLE    2 IN COMPLEX WITH PENTANEDIOL AND CHES                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SIALIDASE B;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 39-696;                                       
COMPND   5 SYNONYM: NEURAMINIDASE B;                                            
COMPND   6 EC: 3.2.1.18;                                                        
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PNEUMONIAE SEROTYPE 4 (STRAIN     
SOURCE   3 ATCC BAA-334 / TIGR4);                                               
SOURCE   4 ORGANISM_TAXID: 170187;                                              
SOURCE   5 STRAIN: ATCC BAA-334 / TIGR4;                                        
SOURCE   6 GENE: NANB, SP_1687;                                                 
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET23B                                    
KEYWDS    HYDROLASE, INTRAMOLECULAR TRANS-SIALIDASE, GLYCOSIDASE, DRUG DESIGN,  
KEYWDS   2 NEURAMINIDASE, ALLOSTERIC INHIBITOR, SERENDIPITOUS ALLOSTERIC SITES, 
KEYWDS   3 CRYSTALLIZATION ARTEFACTS                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.BREAR                                                               
REVDAT   2   10-JAN-24 4XHB    1       REMARK                                   
REVDAT   1   27-JAN-16 4XHB    0                                                
JRNL        AUTH   G.W.ROGERS,P.BREAR,L.YANG,A.S.CHEN,J.B.O.MITCHELL,           
JRNL        AUTH 2 G.L.TAYLOR,N.J.WESTWOOD                                      
JRNL        TITL   THE HUNT FOR SERENDIPITOUS ALLOSTERIC SITES: DISCOVERY OF A  
JRNL        TITL 2 NOVEL ALLOSTERIC INHIBITOR OF THE BACTERIAL SIALIDASE NANB   
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.88 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX                                               
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) : 1.88                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 9.98                           
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 91.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 55149                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.152                           
REMARK   3   R VALUE            (WORKING SET) : 0.150                           
REMARK   3   FREE R VALUE                     : 0.187                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.890                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2699                            
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  9.9807 -  4.8302    0.81     2592   135  0.1610 0.1690        
REMARK   3     2  4.8302 -  3.9090    0.85     2668   131  0.1327 0.1529        
REMARK   3     3  3.9090 -  3.4380    0.87     2671   134  0.1372 0.1565        
REMARK   3     4  3.4380 -  3.1343    0.87     2672   129  0.1432 0.1705        
REMARK   3     5  3.1343 -  2.9157    0.89     2709   150  0.1542 0.1813        
REMARK   3     6  2.9157 -  2.7476    0.91     2732   153  0.1588 0.1798        
REMARK   3     7  2.7476 -  2.6125    0.91     2765   151  0.1590 0.2082        
REMARK   3     8  2.6125 -  2.5007    0.92     2773   135  0.1634 0.1934        
REMARK   3     9  2.5007 -  2.4058    0.92     2806   151  0.1594 0.2278        
REMARK   3    10  2.4058 -  2.3239    0.93     2810   129  0.1583 0.2249        
REMARK   3    11  2.3239 -  2.2521    0.93     2761   164  0.1536 0.1886        
REMARK   3    12  2.2521 -  2.1884    0.93     2826   135  0.1532 0.2492        
REMARK   3    13  2.1884 -  2.1313    0.93     2808   142  0.1526 0.2203        
REMARK   3    14  2.1313 -  2.0798    0.93     2794   149  0.1462 0.1932        
REMARK   3    15  2.0798 -  2.0329    0.94     2811   153  0.1478 0.2016        
REMARK   3    16  2.0329 -  1.9900    0.94     2847   122  0.1451 0.2094        
REMARK   3    17  1.9900 -  1.9505    0.94     2787   154  0.1461 0.1960        
REMARK   3    18  1.9505 -  1.9140    0.94     2799   146  0.1432 0.2185        
REMARK   3    19  1.9140 -  1.8800    0.94     2819   136  0.1593 0.2138        
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)     : 0.170            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.590           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 17.81                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.00                          
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           5347                                  
REMARK   3   ANGLE     :  1.096           7239                                  
REMARK   3   CHIRALITY :  0.079            790                                  
REMARK   3   PLANARITY :  0.004            932                                  
REMARK   3   DIHEDRAL  : 13.162           1973                                  
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 4XHB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 05-JAN-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000205687.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 21-JUN-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU MICROMAX-007 HF             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 55181                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.880                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 10.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY                : 4.900                              
REMARK 200  R MERGE                    (I) : 0.05500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.88                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.91                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.18800                            
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: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER 2.1.4                                          
REMARK 200 STARTING MODEL: 2VW0                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.14                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 7% PEG 8000, 0.1M IMIDAZOLE, PH 8.0,     
REMARK 280  VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K                     
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       38.24700            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       58.59650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       41.29250            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       58.59650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       38.24700            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       41.29250            
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 300 REMARK: BIOLOGICAL UNIT IS THE SAME AS ASYM.                         
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: 530 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 24960 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 10.0 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  1279     O    HOH A  1420              2.18            
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    ASN A  51       60.55   -117.97                                   
REMARK 500    ILE A 246       63.41     64.36                                   
REMARK 500    SER A 273     -167.10   -171.34                                   
REMARK 500    ASP A 327       89.33     68.80                                   
REMARK 500    PRO A 534       38.48    -85.30                                   
REMARK 500    ALA A 540       59.99    -90.62                                   
REMARK 500    ASP A 645     -166.66   -160.80                                   
REMARK 500    ALA A 652     -118.02   -123.02                                   
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 17Y A 701                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NHE A 702                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4XE9   RELATED DB: PDB                                   
DBREF  4XHB A   39   696  UNP    Q54727   NANB_STRPN      39    696             
SEQADV 4XHB GLY A  643  UNP  Q54727    ASP   643 ENGINEERED MUTATION            
SEQRES   1 A  658  ILE SER PRO ILE PHE GLN GLY GLY SER TYR GLN LEU ASN          
SEQRES   2 A  658  ASN LYS SER ILE ASP ILE SER SER LEU LEU LEU ASP LYS          
SEQRES   3 A  658  LEU SER GLY GLU SER GLN THR VAL VAL MET LYS PHE LYS          
SEQRES   4 A  658  ALA ASP LYS PRO ASN SER LEU GLN ALA LEU PHE GLY LEU          
SEQRES   5 A  658  SER ASN SER LYS ALA GLY PHE LYS ASN ASN TYR PHE SER          
SEQRES   6 A  658  ILE PHE MET ARG ASP SER GLY GLU ILE GLY VAL GLU ILE          
SEQRES   7 A  658  ARG ASP ALA GLN LYS GLY ILE ASN TYR LEU PHE SER ARG          
SEQRES   8 A  658  PRO ALA SER LEU TRP GLY LYS HIS LYS GLY GLN ALA VAL          
SEQRES   9 A  658  GLU ASN THR LEU VAL PHE VAL SER ASP SER LYS ASP LYS          
SEQRES  10 A  658  THR TYR THR MET TYR VAL ASN GLY ILE GLU VAL PHE SER          
SEQRES  11 A  658  GLU THR VAL ASP THR PHE LEU PRO ILE SER ASN ILE ASN          
SEQRES  12 A  658  GLY ILE ASP LYS ALA THR LEU GLY ALA VAL ASN ARG GLU          
SEQRES  13 A  658  GLY LYS GLU HIS TYR LEU ALA LYS GLY SER ILE ASP GLU          
SEQRES  14 A  658  ILE SER LEU PHE ASN LYS ALA ILE SER ASP GLN GLU VAL          
SEQRES  15 A  658  SER THR ILE PRO LEU SER ASN PRO PHE GLN LEU ILE PHE          
SEQRES  16 A  658  GLN SER GLY ASP SER THR GLN ALA ASN TYR PHE ARG ILE          
SEQRES  17 A  658  PRO THR LEU TYR THR LEU SER SER GLY ARG VAL LEU SER          
SEQRES  18 A  658  SER ILE ASP ALA ARG TYR GLY GLY THR HIS ASP SER LYS          
SEQRES  19 A  658  SER LYS ILE ASN ILE ALA THR SER TYR SER ASP ASP ASN          
SEQRES  20 A  658  GLY LYS THR TRP SER GLU PRO ILE PHE ALA MET LYS PHE          
SEQRES  21 A  658  ASN ASP TYR GLU GLU GLN LEU VAL TYR TRP PRO ARG ASP          
SEQRES  22 A  658  ASN LYS LEU LYS ASN SER GLN ILE SER GLY SER ALA SER          
SEQRES  23 A  658  PHE ILE ASP SER SER ILE VAL GLU ASP LYS LYS SER GLY          
SEQRES  24 A  658  LYS THR ILE LEU LEU ALA ASP VAL MET PRO ALA GLY ILE          
SEQRES  25 A  658  GLY ASN ASN ASN ALA ASN LYS ALA ASP SER GLY PHE LYS          
SEQRES  26 A  658  GLU ILE ASN GLY HIS TYR TYR LEU LYS LEU LYS LYS ASN          
SEQRES  27 A  658  GLY ASP ASN ASP PHE ARG TYR THR VAL ARG GLU ASN GLY          
SEQRES  28 A  658  VAL VAL TYR ASN GLU THR THR ASN LYS PRO THR ASN TYR          
SEQRES  29 A  658  THR ILE ASN ASP LYS TYR GLU VAL LEU GLU GLY GLY LYS          
SEQRES  30 A  658  SER LEU THR VAL GLU GLN TYR SER VAL ASP PHE ASP SER          
SEQRES  31 A  658  GLY SER LEU ARG GLU ARG HIS ASN GLY LYS GLN VAL PRO          
SEQRES  32 A  658  MET ASN VAL PHE TYR LYS ASP SER LEU PHE LYS VAL THR          
SEQRES  33 A  658  PRO THR ASN TYR ILE ALA MET THR THR SER GLN ASN ARG          
SEQRES  34 A  658  GLY GLU SER TRP GLU GLN PHE LYS LEU LEU PRO PRO PHE          
SEQRES  35 A  658  LEU GLY GLU LYS HIS ASN GLY THR TYR LEU CYS PRO GLY          
SEQRES  36 A  658  GLN GLY LEU ALA LEU LYS SER SER ASN ARG LEU ILE PHE          
SEQRES  37 A  658  ALA THR TYR THR SER GLY GLU LEU THR TYR LEU ILE SER          
SEQRES  38 A  658  ASP ASP SER GLY GLN THR TRP LYS LYS SER SER ALA SER          
SEQRES  39 A  658  ILE PRO PHE LYS ASN ALA THR ALA GLU ALA GLN MET VAL          
SEQRES  40 A  658  GLU LEU ARG ASP GLY VAL ILE ARG THR PHE PHE ARG THR          
SEQRES  41 A  658  THR THR GLY LYS ILE ALA TYR MET THR SER ARG ASP SER          
SEQRES  42 A  658  GLY GLU THR TRP SER LYS VAL SER TYR ILE ASP GLY ILE          
SEQRES  43 A  658  GLN GLN THR SER TYR GLY THR GLN VAL SER ALA ILE LYS          
SEQRES  44 A  658  TYR SER GLN LEU ILE ASP GLY LYS GLU ALA VAL ILE LEU          
SEQRES  45 A  658  SER THR PRO ASN SER ARG SER GLY ARG LYS GLY GLY GLN          
SEQRES  46 A  658  LEU VAL VAL GLY LEU VAL ASN LYS GLU ASP ASP SER ILE          
SEQRES  47 A  658  ASP TRP LYS TYR HIS TYR GLY ILE ASP LEU PRO SER TYR          
SEQRES  48 A  658  GLY TYR ALA TYR SER ALA ILE THR GLU LEU PRO ASN HIS          
SEQRES  49 A  658  HIS ILE GLY VAL LEU PHE GLU LYS TYR ASP SER TRP SER          
SEQRES  50 A  658  ARG ASN GLU LEU HIS LEU SER ASN VAL VAL GLN TYR ILE          
SEQRES  51 A  658  ASP LEU GLU ILE ASN ASP LEU THR                              
HET    17Y  A 701       7                                                       
HET    NHE  A 702      13                                                       
HETNAM     17Y (1R,2S)-CYCLOPENTANE-1,2-DIOL                                    
HETNAM     NHE 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID                        
HETSYN     NHE N-CYCLOHEXYLTAURINE; CHES                                        
FORMUL   2  17Y    C5 H10 O2                                                    
FORMUL   3  NHE    C8 H17 N O3 S                                                
FORMUL   4  HOH   *675(H2 O)                                                    
HELIX    1 AA1 ILE A   57  LEU A   62  1                                   6    
HELIX    2 AA2 ASP A   63  LEU A   65  5                                   3    
HELIX    3 AA3 PRO A  176  ILE A  180  5                                   5    
HELIX    4 AA4 SER A  216  ILE A  223  1                                   8    
HELIX    5 AA5 GLU A  691  THR A  696  1                                   6    
SHEET    1 AA1 6 PHE A  43  ASN A  51  0                                        
SHEET    2 AA1 6 LYS A 202  PHE A 211 -1  O  ILE A 205   N  TYR A  48           
SHEET    3 AA1 6 GLN A  70  LYS A  77 -1  N  LYS A  75   O  GLU A 207           
SHEET    4 AA1 6 ASN A 144  ASP A 151 -1  O  LEU A 146   N  MET A  74           
SHEET    5 AA1 6 THR A 156  VAL A 161 -1  O  THR A 158   N  VAL A 149           
SHEET    6 AA1 6 ILE A 164  THR A 170 -1  O  VAL A 166   N  MET A 159           
SHEET    1 AA2 6 ILE A  55  ASP A  56  0                                        
SHEET    2 AA2 6 LYS A 185  LEU A 188 -1  O  LEU A 188   N  ILE A  55           
SHEET    3 AA2 6 LEU A  84  SER A  91 -1  N  GLY A  89   O  THR A 187           
SHEET    4 AA2 6 TYR A 101  ARG A 107 -1  O  PHE A 102   N  LEU A  90           
SHEET    5 AA2 6 ILE A 112  ASP A 118 -1  O  ARG A 117   N  TYR A 101           
SHEET    6 AA2 6 ILE A 123  ARG A 129 -1  O  TYR A 125   N  ILE A 116           
SHEET    1 AA3 2 LYS A 136  HIS A 137  0                                        
SHEET    2 AA3 2 GLN A 140  ALA A 141 -1  O  GLN A 140   N  HIS A 137           
SHEET    1 AA4 2 VAL A 191  ARG A 193  0                                        
SHEET    2 AA4 2 LYS A 196  HIS A 198 -1  O  HIS A 198   N  VAL A 191           
SHEET    1 AA5 3 TYR A 243  ARG A 245  0                                        
SHEET    2 AA5 3 VAL A 257  ARG A 264 -1  O  ASP A 262   N  ARG A 245           
SHEET    3 AA5 3 TYR A 250  THR A 251 -1  N  TYR A 250   O  LEU A 258           
SHEET    1 AA6 4 TYR A 243  ARG A 245  0                                        
SHEET    2 AA6 4 VAL A 257  ARG A 264 -1  O  ASP A 262   N  ARG A 245           
SHEET    3 AA6 4 ILE A 275  SER A 282 -1  O  ASN A 276   N  ALA A 263           
SHEET    4 AA6 4 ILE A 293  MET A 296 -1  O  ALA A 295   N  ILE A 277           
SHEET    1 AA7 5 LYS A 475  LEU A 476  0                                        
SHEET    2 AA7 5 TYR A 458  SER A 464 -1  N  MET A 461   O  LYS A 475           
SHEET    3 AA7 5 THR A 339  MET A 346 -1  N  ALA A 343   O  ALA A 460           
SHEET    4 AA7 5 SER A 324  GLU A 332 -1  N  SER A 324   O  MET A 346           
SHEET    5 AA7 5 GLY A 493  GLN A 494  1  O  GLY A 493   N  ILE A 330           
SHEET    1 AA8 7 PHE A 362  GLU A 364  0                                        
SHEET    2 AA8 7 TYR A 369  LYS A 375 -1  O  TYR A 370   N  LYS A 363           
SHEET    3 AA8 7 TYR A 383  VAL A 385 -1  O  TYR A 383   N  LEU A 373           
SHEET    4 AA8 7 VAL A 390  ASN A 393 -1  O  TYR A 392   N  THR A 384           
SHEET    5 AA8 7 LYS A 398  ILE A 404 -1  O  LYS A 398   N  ASN A 393           
SHEET    6 AA8 7 VAL A 410  GLU A 412 -1  O  LEU A 411   N  THR A 403           
SHEET    7 AA8 7 LYS A 415  SER A 416 -1  O  LYS A 415   N  GLU A 412           
SHEET    1 AA9 3 PHE A 362  GLU A 364  0                                        
SHEET    2 AA9 3 TYR A 369  LYS A 375 -1  O  TYR A 370   N  LYS A 363           
SHEET    3 AA9 3 PHE A 451  LYS A 452 -1  O  LYS A 452   N  LYS A 374           
SHEET    1 AB1 2 THR A 418  ASP A 425  0                                        
SHEET    2 AB1 2 ARG A 432  PRO A 441 -1  O  LYS A 438   N  GLN A 421           
SHEET    1 AB2 3 TYR A 489  LEU A 490  0                                        
SHEET    2 AB2 3 LEU A 504  THR A 510 -1  O  TYR A 509   N  TYR A 489           
SHEET    3 AB2 3 LEU A 496  ALA A 497 -1  N  LEU A 496   O  ILE A 505           
SHEET    1 AB3 4 TYR A 489  LEU A 490  0                                        
SHEET    2 AB3 4 LEU A 504  THR A 510 -1  O  TYR A 509   N  TYR A 489           
SHEET    3 AB3 4 GLU A 513  SER A 519 -1  O  LEU A 517   N  PHE A 506           
SHEET    4 AB3 4 LYS A 527  SER A 532 -1  O  LYS A 527   N  ILE A 518           
SHEET    1 AB4 4 ALA A 542  ARG A 548  0                                        
SHEET    2 AB4 4 VAL A 551  PHE A 556 -1  O  ARG A 553   N  VAL A 545           
SHEET    3 AB4 4 ALA A 564  SER A 568 -1  O  ALA A 564   N  PHE A 556           
SHEET    4 AB4 4 SER A 579  TYR A 580 -1  O  SER A 579   N  TYR A 565           
SHEET    1 AB5 4 SER A 594  ILE A 602  0                                        
SHEET    2 AB5 4 LYS A 605  PRO A 613 -1  O  SER A 611   N  SER A 594           
SHEET    3 AB5 4 GLY A 622  VAL A 629 -1  O  GLY A 627   N  VAL A 608           
SHEET    4 AB5 4 ILE A 636  GLY A 643 -1  O  TYR A 642   N  LEU A 624           
SHEET    1 AB6 3 SER A 654  GLU A 658  0                                        
SHEET    2 AB6 3 ILE A 664  GLU A 669 -1  O  GLY A 665   N  THR A 657           
SHEET    3 AB6 3 VAL A 685  LEU A 690 -1  O  LEU A 690   N  ILE A 664           
CISPEP   1 SER A  271    LYS A  272          0         1.40                     
SITE     1 AC1  5 THR A 251  GLN A 494  THR A 657  HOH A 984                    
SITE     2 AC1  5 HOH A1056                                                     
SITE     1 AC2 12 ARG A 245  ASP A 270  ASP A 327  ASN A 352                    
SITE     2 AC2 12 TYR A 509  ARG A 557  ARG A 619  TYR A 653                    
SITE     3 AC2 12 TRP A 674  HOH A1095  HOH A1249  HOH A1263                    
CRYST1   76.494   82.585  117.193  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      0.013073  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012109  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008533        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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