HEADER    BIOTIN BINDING PROTEIN                  28-JUL-11   3T6F              
TITLE     BIOTIN COMPLEX OF Y54F CORE STREPTAVIDIN                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: STREPTAVIDIN;                                              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: UNP RESIDUES 37-163;                                       
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
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: 511693;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET21A                                    
KEYWDS    BIOTIN BINDING PROTEIN                                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.BAUGH,I.LE TRONG,D.S.CERUTTI,N.MEHTA,S.GULICH,P.S.STAYTON,          
AUTHOR   2 R.E.STENKAMP,T.P.LYBRAND                                             
REVDAT   4   13-SEP-23 3T6F    1       REMARK SEQADV                            
REVDAT   3   08-NOV-17 3T6F    1       REMARK                                   
REVDAT   2   08-FEB-12 3T6F    1       JRNL                                     
REVDAT   1   21-DEC-11 3T6F    0                                                
JRNL        AUTH   L.BAUGH,I.LE TRONG,D.S.CERUTTI,N.MEHTA,S.GULICH,P.S.STAYTON, 
JRNL        AUTH 2 R.E.STENKAMP,T.P.LYBRAND                                     
JRNL        TITL   SECOND-CONTACT SHELL MUTATION DIMINISHES STREPTAVIDIN-BIOTIN 
JRNL        TITL 2 BINDING AFFINITY THROUGH TRANSMITTED EFFECTS ON EQUILIBRIUM  
JRNL        TITL 3 DYNAMICS.                                                    
JRNL        REF    BIOCHEMISTRY                  V.  51   597 2012              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   22145986                                                     
JRNL        DOI    10.1021/BI201221J                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.22 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.22                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.92                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 64975                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.129                           
REMARK   3   R VALUE            (WORKING SET) : 0.128                           
REMARK   3   FREE R VALUE                     : 0.151                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3468                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.22                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.25                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 4634                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.05                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1920                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 240                          
REMARK   3   BIN FREE R VALUE                    : 0.2110                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1812                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 105                                     
REMARK   3   SOLVENT ATOMS            : 248                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.95                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.44000                                              
REMARK   3    B22 (A**2) : 1.57000                                              
REMARK   3    B33 (A**2) : -2.01000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.036         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.035         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.021         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.061         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.978                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.974                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2047 ; 0.011 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  1285 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2803 ; 1.541 ; 1.929       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3139 ; 1.390 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   254 ; 6.762 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    82 ;27.421 ;23.659       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   285 ;10.738 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     9 ;10.651 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   318 ; 0.109 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2275 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   434 ; 0.002 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1240 ; 2.485 ; 4.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   530 ; 1.092 ; 4.000       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1996 ; 3.535 ; 6.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   807 ; 3.629 ; 6.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   807 ; 4.867 ;10.000       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  3332 ; 1.402 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS                   
REMARK   3  U VALUES      : REFINED INDIVIDUALLY                                
REMARK   4                                                                      
REMARK   4 3T6F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-AUG-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000067095.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-JUN-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL9-2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97946                            
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL SI(111)             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 325 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 68448                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.220                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 27.919                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 13.40                              
REMARK 200  R MERGE                    (I) : 0.12100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 23.0650                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.22                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.26                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.00                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.61300                            
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: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 1MK5                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 60% SATURATED AMMONIUM SULFATE, 5%       
REMARK 280  ISOPROPANOL (30% GLYCEROL CRYOPROTECTANT), PH 7.0, VAPOR            
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 293K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       23.30550            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       47.05700            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       52.29750            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       23.30550            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       47.05700            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       52.29750            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       23.30550            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       47.05700            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       52.29750            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       23.30550            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       47.05700            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       52.29750            
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: 11370 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 21140 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -114.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000       46.61100            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 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     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   137                                                      
REMARK 465     ALA B   138                                                      
REMARK 465     SER B   139                                                      
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     -166.66     70.81                                   
REMARK 500    GLU A 101       69.20   -116.97                                   
REMARK 500    SER B  52     -160.92     64.51                                   
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 5100                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BSO A 5101                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 5400                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 5403                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BTN B 5200                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BSO B 5201                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 5300                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 5301                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 5302                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 5402                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 5404                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3T6L   RELATED DB: PDB                                   
DBREF  3T6F A   13   139  UNP    P22629   SAV_STRAV       37    163             
DBREF  3T6F B   13   139  UNP    P22629   SAV_STRAV       37    163             
SEQADV 3T6F PHE A   54  UNP  P22629    TYR    78 ENGINEERED MUTATION            
SEQADV 3T6F PHE B   54  UNP  P22629    TYR    78 ENGINEERED MUTATION            
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 PHE 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 PHE 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                      
HET    BTN  A5100      16                                                       
HET    BSO  A5101      17                                                       
HET    GOL  A5400       6                                                       
HET    GOL  A5403       6                                                       
HET    BTN  B5200      16                                                       
HET    SO4  B5300       5                                                       
HET    BSO  B5201      17                                                       
HET    SO4  B5301       5                                                       
HET    SO4  B5302       5                                                       
HET    GOL  B5402       6                                                       
HET    GOL  B5404       6                                                       
HETNAM     BTN BIOTIN                                                           
HETNAM     BSO BIOTIN-D-SULFOXIDE                                               
HETNAM     GOL GLYCEROL                                                         
HETNAM     SO4 SULFATE ION                                                      
HETSYN     BSO 5-[(3AR,4R,6AS)-5-OXIDO-2-OXOHEXAHYDRO-1H-THIENO[3,4-            
HETSYN   2 BSO  D]IMIDAZOL-4-YL]PENTANOIC ACID                                  
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   3  BTN    2(C10 H16 N2 O3 S)                                           
FORMUL   4  BSO    2(C10 H16 N2 O4 S)                                           
FORMUL   5  GOL    4(C3 H8 O3)                                                  
FORMUL   8  SO4    3(O4 S 2-)                                                   
FORMUL  14  HOH   *248(H2 O)                                                    
HELIX    1   1 THR A  115  LYS A  121  5                                   7    
HELIX    2   2 THR B  115  LYS B  121  5                                   7    
SHEET    1   A 9 GLY A  19  ASN A  23  0                                        
SHEET    2   A 9 THR A  28  ALA A  33 -1  O  PHE A  29   N  TRP A  21           
SHEET    3   A 9 ALA A  38  GLU A  44 -1  O  THR A  42   N  ILE A  30           
SHEET    4   A 9 PHE A  54  TYR A  60 -1  O  PHE A  54   N  TYR A  43           
SHEET    5   A 9 THR A  71  LYS A  80 -1  O  THR A  76   N  THR A  57           
SHEET    6   A 9 ASN A  85  VAL A  97 -1  O  ALA A  86   N  TRP A  79           
SHEET    7   A 9 ARG A 103  SER A 112 -1  O  ARG A 103   N  VAL A  97           
SHEET    8   A 9 THR A 123  LYS A 132 -1  O  PHE A 130   N  ILE A 104           
SHEET    9   A 9 GLY A  19  ASN A  23 -1  N  TYR A  22   O  THR A 131           
SHEET    1   B 9 GLY B  19  ASN B  23  0                                        
SHEET    2   B 9 THR B  28  ALA B  33 -1  O  PHE B  29   N  TRP B  21           
SHEET    3   B 9 ALA B  38  GLU B  44 -1  O  THR B  42   N  ILE B  30           
SHEET    4   B 9 PHE B  54  TYR B  60 -1  O  GLY B  58   N  LEU B  39           
SHEET    5   B 9 THR B  71  LYS B  80 -1  O  THR B  76   N  THR B  57           
SHEET    6   B 9 ASN B  85  VAL B  97 -1  O  TYR B  96   N  THR B  71           
SHEET    7   B 9 ARG B 103  SER B 112 -1  O  ARG B 103   N  VAL B  97           
SHEET    8   B 9 THR B 123  THR B 131 -1  O  LEU B 124   N  LEU B 110           
SHEET    9   B 9 GLY B  19  ASN B  23 -1  N  TYR B  22   O  THR B 131           
SITE     1 AC1 15 ASN A  23  LEU A  25  SER A  27  TYR A  43                    
SITE     2 AC1 15 SER A  45  VAL A  47  ASN A  49  TRP A  79                    
SITE     3 AC1 15 SER A  88  THR A  90  TRP A 108  ASP A 128                    
SITE     4 AC1 15 BSO A5101  HOH A6145  HOH A6170                               
SITE     1 AC2 16 ASN A  23  LEU A  25  SER A  27  TYR A  43                    
SITE     2 AC2 16 SER A  45  VAL A  47  ASN A  49  TRP A  79                    
SITE     3 AC2 16 SER A  88  THR A  90  TRP A 108  LEU A 110                    
SITE     4 AC2 16 ASP A 128  BTN A5100  HOH A6145  HOH A6170                    
SITE     1 AC3  5 HOH A6223  HOH A6224  BTN B5200  BSO B5201                    
SITE     2 AC3  5 HOH B6158                                                     
SITE     1 AC4  6 VAL A  47  GLY A  48  HOH A6171  LYS B 121                    
SITE     2 AC4  6 GOL B5402  HOH B6142                                          
SITE     1 AC5 17 TRP A 120  GOL A5400  ASN B  23  LEU B  25                    
SITE     2 AC5 17 SER B  27  TYR B  43  SER B  45  VAL B  47                    
SITE     3 AC5 17 ASN B  49  TRP B  79  ALA B  86  SER B  88                    
SITE     4 AC5 17 THR B  90  TRP B 108  ASP B 128  BSO B5201                    
SITE     5 AC5 17 HOH B6158                                                     
SITE     1 AC6 18 TRP A 120  GOL A5400  ASN B  23  LEU B  25                    
SITE     2 AC6 18 SER B  27  TYR B  43  SER B  45  VAL B  47                    
SITE     3 AC6 18 ASN B  49  TRP B  79  ALA B  86  SER B  88                    
SITE     4 AC6 18 THR B  90  TRP B 108  LEU B 110  ASP B 128                    
SITE     5 AC6 18 BTN B5200  HOH B6158                                          
SITE     1 AC7  7 GLY B  34  ALA B  35  ASP B  36  GLY B  37                    
SITE     2 AC7  7 ALA B  38  HOH B6156  HOH B6218                               
SITE     1 AC8  5 ASN A  82  TYR A  83  HOH A6070  THR B  42                    
SITE     2 AC8  5 ARG B  53                                                     
SITE     1 AC9  5 GLY B  99  ALA B 100  VAL B 133  LYS B 134                    
SITE     2 AC9  5 HOH B6101                                                     
SITE     1 BC1  6 GLY A  48  ASN A  49  GOL A5403  HOH A6170                    
SITE     2 BC1  6 LYS B 121  HOH B6142                                          
SITE     1 BC2  4 THR A 115  GLU B  51  ASP B  67  TYR B  83                    
CRYST1   46.611   94.114  104.595  90.00  90.00  90.00 I 2 2 2      16          
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      0.021454  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010625  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009561        0.00000