HEADER    BIOTIN-BINDING PROTEIN                  04-MAR-97   1SWE              
TITLE     APO-CORE-STREPTAVIDIN IN COMPLEX WITH BIOTIN AT PH 4.5                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: STREPTAVIDIN;                                              
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 FRAGMENT: CORE, RESIDUES 13 - 139;                                   
COMPND   5 SYNONYM: CORE STREPTAVIDIN;                                          
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 OTHER_DETAILS: PH 4.5, COMPLEXED WITH BIOTIN                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOMYCES AVIDINII;                          
SOURCE   3 ORGANISM_TAXID: 1895;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_VECTOR_TYPE: T7                                    
KEYWDS    BIOTIN BINDING PROTEIN, BIOTIN, BIOTIN-BINDING PROTEIN                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.FREITAG,I.LE TRONG,L.KLUMB,P.S.STAYTON,R.E.STENKAMP                 
REVDAT   5   22-MAY-24 1SWE    1       REMARK                                   
REVDAT   4   09-AUG-23 1SWE    1       REMARK                                   
REVDAT   3   24-FEB-09 1SWE    1       VERSN                                    
REVDAT   2   15-DEC-99 1SWE    1       REMARK                                   
REVDAT   1   04-MAR-98 1SWE    0                                                
JRNL        AUTH   S.FREITAG,I.LE TRONG,L.KLUMB,P.S.STAYTON,R.E.STENKAMP        
JRNL        TITL   STRUCTURAL STUDIES OF THE STREPTAVIDIN BINDING LOOP.         
JRNL        REF    PROTEIN SCI.                  V.   6  1157 1997              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   9194176                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.06 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-96                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.06                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 79.0                           
REMARK   3   CROSS-VALIDATION METHOD           : NULL                           
REMARK   3   FREE R VALUE TEST SET SELECTION   : EVERY 10TH REFLECTION          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.168                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.161                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.266                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.000                 
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 2419                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 24460                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.144                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.138                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.237                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 10.000                 
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 1982                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 20281                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 3521                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 64                                            
REMARK   3   SOLVENT ATOMS      : 302                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 3891.0                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 3355.0                  
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 0                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 15579                   
REMARK   3   NUMBER OF RESTRAINTS                     : 15139                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.006                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.025                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.017                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.104                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.092                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.012                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.000                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.048                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.000                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201            
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER                      
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1SWE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000176542.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-FEB-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 295                                
REMARK 200  PH                             : 4.5                                
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 RUH2R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE(002)                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS                            
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XENGEN                             
REMARK 200  DATA SCALING SOFTWARE          : XENGEN                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 24738                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
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     (%) : 83.0                               
REMARK 200  DATA REDUNDANCY                : 11.00                              
REMARK 200  R MERGE                    (I) : 0.06600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.0000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.20                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 42.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.19200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: SHELXL-96, X-PLOR                                     
REMARK 200 STARTING MODEL: PDB ENTRY 1SWA                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.48                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN-BIOTIN COMPLEX WAS CO            
REMARK 280  -CRYSTALLIZED FROM 50% MPD (2-METHYL-PENTANE-2,4-DIOLE, PH 4.5)     
REMARK 280  WITH 2.5M EXCESS OF BIOTIN                                          
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       50.05500            
REMARK 290   SMTRY3   2  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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 11520 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 17800 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     ALA A    13                                                      
REMARK 465     GLU A    14                                                      
REMARK 465     ALA A    15                                                      
REMARK 465     VAL A   133                                                      
REMARK 465     LYS A   134                                                      
REMARK 465     PRO A   135                                                      
REMARK 465     SER A   136                                                      
REMARK 465     ALA A   137                                                      
REMARK 465     ALA A   138                                                      
REMARK 465     SER A   139                                                      
REMARK 465     ALA B    13                                                      
REMARK 465     GLU B    14                                                      
REMARK 465     ALA B    15                                                      
REMARK 465     LYS B   134                                                      
REMARK 465     PRO B   135                                                      
REMARK 465     SER B   136                                                      
REMARK 465     ALA B   137                                                      
REMARK 465     ALA B   138                                                      
REMARK 465     SER B   139                                                      
REMARK 465     ALA C    13                                                      
REMARK 465     GLU C    14                                                      
REMARK 465     ALA C    15                                                      
REMARK 465     LYS C   134                                                      
REMARK 465     PRO C   135                                                      
REMARK 465     SER C   136                                                      
REMARK 465     ALA C   137                                                      
REMARK 465     ALA C   138                                                      
REMARK 465     SER C   139                                                      
REMARK 465     ALA D    13                                                      
REMARK 465     GLU D    14                                                      
REMARK 465     ALA D    15                                                      
REMARK 465     LYS D   134                                                      
REMARK 465     PRO D   135                                                      
REMARK 465     SER D   136                                                      
REMARK 465     ALA D   137                                                      
REMARK 465     ALA D   138                                                      
REMARK 465     SER D   139                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG B  53   CD  -  NE  -  CZ  ANGL. DEV. =   9.0 DEGREES          
REMARK 500    ARG B  53   NE  -  CZ  -  NH1 ANGL. DEV. =   4.7 DEGREES          
REMARK 500    ARG C  53   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    TYR C  54   CB  -  CG  -  CD2 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500    ARG C  84   CA  -  CB  -  CG  ANGL. DEV. =  13.2 DEGREES          
REMARK 500    ASP D  36   C   -  N   -  CA  ANGL. DEV. =  28.0 DEGREES          
REMARK 500    LEU D  39   C   -  N   -  CA  ANGL. DEV. =  17.1 DEGREES          
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    SER A  52     -155.02     68.90                                   
REMARK 500    ASN A  81     -158.23   -140.49                                   
REMARK 500    SER B  52     -164.10     64.52                                   
REMARK 500    SER C  52     -157.92     55.12                                   
REMARK 500    PRO C  64     -178.87    -64.91                                   
REMARK 500    SER D  52     -163.03     80.68                                   
REMARK 500    TRP D  79       48.69    -75.74                                   
REMARK 500    GLU D 101       77.37   -111.89                                   
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 BTN A 300                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BTN B 400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BTN C 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BTN D 600                 
DBREF  1SWE A   13   139  UNP    P22629   SAV_STRAV       37    163             
DBREF  1SWE B   13   139  UNP    P22629   SAV_STRAV       37    163             
DBREF  1SWE C   13   139  UNP    P22629   SAV_STRAV       37    163             
DBREF  1SWE D   13   139  UNP    P22629   SAV_STRAV       37    163             
SEQRES   1 A  127  ALA GLU ALA GLY ILE THR GLY THR TRP TYR ASN GLN LEU          
SEQRES   2 A  127  GLY SER THR PHE ILE VAL THR ALA GLY ALA ASP GLY ALA          
SEQRES   3 A  127  LEU THR GLY THR TYR GLU SER ALA VAL GLY ASN ALA GLU          
SEQRES   4 A  127  SER ARG TYR VAL LEU THR GLY ARG TYR ASP SER ALA PRO          
SEQRES   5 A  127  ALA THR ASP GLY SER GLY THR ALA LEU GLY TRP THR VAL          
SEQRES   6 A  127  ALA TRP LYS ASN ASN TYR ARG ASN ALA HIS SER ALA THR          
SEQRES   7 A  127  THR TRP SER GLY GLN TYR VAL GLY GLY ALA GLU ALA ARG          
SEQRES   8 A  127  ILE ASN THR GLN TRP LEU LEU THR SER GLY THR THR GLU          
SEQRES   9 A  127  ALA ASN ALA TRP LYS SER THR LEU VAL GLY HIS ASP THR          
SEQRES  10 A  127  PHE THR LYS VAL LYS PRO SER ALA ALA SER                      
SEQRES   1 B  127  ALA GLU ALA GLY ILE THR GLY THR TRP TYR ASN GLN LEU          
SEQRES   2 B  127  GLY SER THR PHE ILE VAL THR ALA GLY ALA ASP GLY ALA          
SEQRES   3 B  127  LEU THR GLY THR TYR GLU SER ALA VAL GLY ASN ALA GLU          
SEQRES   4 B  127  SER ARG TYR VAL LEU THR GLY ARG TYR ASP SER ALA PRO          
SEQRES   5 B  127  ALA THR ASP GLY SER GLY THR ALA LEU GLY TRP THR VAL          
SEQRES   6 B  127  ALA TRP LYS ASN ASN TYR ARG ASN ALA HIS SER ALA THR          
SEQRES   7 B  127  THR TRP SER GLY GLN TYR VAL GLY GLY ALA GLU ALA ARG          
SEQRES   8 B  127  ILE ASN THR GLN TRP LEU LEU THR SER GLY THR THR GLU          
SEQRES   9 B  127  ALA ASN ALA TRP LYS SER THR LEU VAL GLY HIS ASP THR          
SEQRES  10 B  127  PHE THR LYS VAL LYS PRO SER ALA ALA SER                      
SEQRES   1 C  127  ALA GLU ALA GLY ILE THR GLY THR TRP TYR ASN GLN LEU          
SEQRES   2 C  127  GLY SER THR PHE ILE VAL THR ALA GLY ALA ASP GLY ALA          
SEQRES   3 C  127  LEU THR GLY THR TYR GLU SER ALA VAL GLY ASN ALA GLU          
SEQRES   4 C  127  SER ARG TYR VAL LEU THR GLY ARG TYR ASP SER ALA PRO          
SEQRES   5 C  127  ALA THR ASP GLY SER GLY THR ALA LEU GLY TRP THR VAL          
SEQRES   6 C  127  ALA TRP LYS ASN ASN TYR ARG ASN ALA HIS SER ALA THR          
SEQRES   7 C  127  THR TRP SER GLY GLN TYR VAL GLY GLY ALA GLU ALA ARG          
SEQRES   8 C  127  ILE ASN THR GLN TRP LEU LEU THR SER GLY THR THR GLU          
SEQRES   9 C  127  ALA ASN ALA TRP LYS SER THR LEU VAL GLY HIS ASP THR          
SEQRES  10 C  127  PHE THR LYS VAL LYS PRO SER ALA ALA SER                      
SEQRES   1 D  127  ALA GLU ALA GLY ILE THR GLY THR TRP TYR ASN GLN LEU          
SEQRES   2 D  127  GLY SER THR PHE ILE VAL THR ALA GLY ALA ASP GLY ALA          
SEQRES   3 D  127  LEU THR GLY THR TYR GLU SER ALA VAL GLY ASN ALA GLU          
SEQRES   4 D  127  SER ARG TYR VAL LEU THR GLY ARG TYR ASP SER ALA PRO          
SEQRES   5 D  127  ALA THR ASP GLY SER GLY THR ALA LEU GLY TRP THR VAL          
SEQRES   6 D  127  ALA TRP LYS ASN ASN TYR ARG ASN ALA HIS SER ALA THR          
SEQRES   7 D  127  THR TRP SER GLY GLN TYR VAL GLY GLY ALA GLU ALA ARG          
SEQRES   8 D  127  ILE ASN THR GLN TRP LEU LEU THR SER GLY THR THR GLU          
SEQRES   9 D  127  ALA ASN ALA TRP LYS SER THR LEU VAL GLY HIS ASP THR          
SEQRES  10 D  127  PHE THR LYS VAL LYS PRO SER ALA ALA SER                      
HET    BTN  A 300      16                                                       
HET    BTN  B 400      16                                                       
HET    BTN  C 500      16                                                       
HET    BTN  D 600      16                                                       
HETNAM     BTN BIOTIN                                                           
FORMUL   5  BTN    4(C10 H16 N2 O3 S)                                           
FORMUL   9  HOH   *302(H2 O)                                                    
HELIX    1   1 GLU A  116  LYS A  121  5                                   6    
HELIX    2   2 GLU B  116  LYS B  121  5                                   6    
HELIX    3   3 GLU C  116  LYS C  121  5                                   6    
HELIX    4   4 GLU D  116  LYS D  121  5                                   6    
SHEET    1   A 8 GLY A  19  TYR A  22  0                                        
SHEET    2   A 8 THR A  28  ALA A  33 -1  N  VAL A  31   O  GLY A  19           
SHEET    3   A 8 ALA A  38  GLU A  44 -1  N  GLU A  44   O  THR A  28           
SHEET    4   A 8 TYR A  54  TYR A  60 -1  N  GLY A  58   O  LEU A  39           
SHEET    5   A 8 THR A  71  ALA A  78 -1  N  THR A  76   O  THR A  57           
SHEET    6   A 8 SER A  88  VAL A  97 -1  N  TYR A  96   O  THR A  71           
SHEET    7   A 8 ARG A 103  SER A 112 -1  N  THR A 111   O  ALA A  89           
SHEET    8   A 8 THR A 123  THR A 131 -1  N  PHE A 130   O  ILE A 104           
SHEET    1   B 8 GLY B  19  TYR B  22  0                                        
SHEET    2   B 8 THR B  28  ALA B  33 -1  N  VAL B  31   O  GLY B  19           
SHEET    3   B 8 ALA B  38  GLU B  44 -1  N  GLU B  44   O  THR B  28           
SHEET    4   B 8 ARG B  53  TYR B  60 -1  N  GLY B  58   O  LEU B  39           
SHEET    5   B 8 THR B  71  ALA B  78 -1  N  THR B  76   O  THR B  57           
SHEET    6   B 8 SER B  88  VAL B  97 -1  N  TYR B  96   O  THR B  71           
SHEET    7   B 8 ARG B 103  SER B 112 -1  N  THR B 111   O  ALA B  89           
SHEET    8   B 8 THR B 123  THR B 131 -1  N  PHE B 130   O  ILE B 104           
SHEET    1   C 8 GLY C  19  TYR C  22  0                                        
SHEET    2   C 8 THR C  28  ALA C  33 -1  N  VAL C  31   O  GLY C  19           
SHEET    3   C 8 ALA C  38  GLU C  44 -1  N  GLU C  44   O  THR C  28           
SHEET    4   C 8 TYR C  54  TYR C  60 -1  N  GLY C  58   O  LEU C  39           
SHEET    5   C 8 THR C  71  ALA C  78 -1  N  THR C  76   O  THR C  57           
SHEET    6   C 8 SER C  88  VAL C  97 -1  N  TYR C  96   O  THR C  71           
SHEET    7   C 8 ARG C 103  SER C 112 -1  N  THR C 111   O  ALA C  89           
SHEET    8   C 8 THR C 123  THR C 131 -1  N  PHE C 130   O  ILE C 104           
SHEET    1   D 8 GLY D  19  TYR D  22  0                                        
SHEET    2   D 8 THR D  28  ALA D  33 -1  N  VAL D  31   O  GLY D  19           
SHEET    3   D 8 ALA D  38  GLU D  44 -1  N  GLU D  44   O  THR D  28           
SHEET    4   D 8 ARG D  53  TYR D  60 -1  N  GLY D  58   O  LEU D  39           
SHEET    5   D 8 THR D  71  ALA D  78 -1  N  THR D  76   O  THR D  57           
SHEET    6   D 8 SER D  88  VAL D  97 -1  N  TYR D  96   O  THR D  71           
SHEET    7   D 8 ARG D 103  SER D 112 -1  N  THR D 111   O  ALA D  89           
SHEET    8   D 8 THR D 123  THR D 131 -1  N  PHE D 130   O  ILE D 104           
SITE     1 AC1 13 ASN A  23  SER A  27  TYR A  43  SER A  45                    
SITE     2 AC1 13 VAL A  47  GLY A  48  ASN A  49  TRP A  79                    
SITE     3 AC1 13 SER A  88  THR A  90  TRP A 108  ASP A 128                    
SITE     4 AC1 13 HOH A 460                                                     
SITE     1 AC2 12 ASN B  23  SER B  27  TYR B  43  SER B  45                    
SITE     2 AC2 12 VAL B  47  ASN B  49  TRP B  79  ALA B  86                    
SITE     3 AC2 12 SER B  88  THR B  90  TRP B 108  ASP B 128                    
SITE     1 AC3 15 TRP B 120  ASN C  23  LEU C  25  SER C  27                    
SITE     2 AC3 15 TYR C  43  SER C  45  GLY C  48  ASN C  49                    
SITE     3 AC3 15 TRP C  79  SER C  88  THR C  90  TRP C  92                    
SITE     4 AC3 15 TRP C 108  ASP C 128  HOH C 319                               
SITE     1 AC4 15 TRP A 120  ASN D  23  LEU D  25  SER D  27                    
SITE     2 AC4 15 TYR D  43  SER D  45  VAL D  47  GLY D  48                    
SITE     3 AC4 15 ASN D  49  TRP D  79  ALA D  86  SER D  88                    
SITE     4 AC4 15 THR D  90  TRP D 108  ASP D 128                               
CRYST1   52.780  100.110   52.010  90.00 112.60  90.00 P 1 21 1      8          
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      0.018947  0.000000  0.007887        0.00000                         
SCALE2      0.000000  0.009989  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.020826        0.00000                         
MTRIX1   1 -0.688772 -0.566835  0.451986       12.17110    1                    
MTRIX2   1 -0.566320  0.031431 -0.823586        3.62400    1                    
MTRIX3   1  0.452631 -0.823231 -0.342659       -3.62000    1                    
MTRIX1   2 -0.639793  0.583962  0.499653       25.09190    1                    
MTRIX2   2  0.594748 -0.035565  0.803125      -28.02070    1                    
MTRIX3   2  0.486765  0.811002 -0.324556       15.37010    1                    
MTRIX1   3  0.330848 -0.016305 -0.943543       17.40390    1                    
MTRIX2   3 -0.019288 -0.999759  0.010513      -23.94900    1                    
MTRIX3   3 -0.943487  0.014721 -0.331082       25.71200    1                    
MTRIX1   4  0.324213 -0.014827 -0.945868       17.61620    1                    
MTRIX2   4 -0.019429 -0.999771  0.009012      -23.95030    1                    
MTRIX3   4 -0.945785  0.015456 -0.324427       25.39460    1                    
MTRIX1   5 -0.644095  0.588569  0.488598       25.41440    1                    
MTRIX2   5  0.584060 -0.034083  0.810994      -27.90690    1                    
MTRIX3   5  0.493979  0.807728 -0.321807       14.94200    1                    
MTRIX1   6 -0.682450 -0.571330  0.455899       12.38080    1                    
MTRIX2   6 -0.576994  0.038195 -0.815855        3.79240    1                    
MTRIX3   6  0.448709 -0.819831 -0.355720       -3.87130    1