HEADER    BIOTIN BINDING PROTEIN                  01-OCT-14   3WZN              
TITLE     CRYSTAL STRUCTURE OF THE CORE STREPTAVIDIN MUTANT V21                 
TITLE    2 (Y22S/N23D/S27D/Y83S/R84K/E101D/R103K/E116N) COMPLEXED WITH BIOTIN AT
TITLE    3 1.3 A RESOLUTION                                                     
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: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21STAR(DE3);                             
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PCOLD TF                                  
KEYWDS    BETA-BARREL, BIOTIN BINDING PROTEIN                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.KAWATO,E.MIZOHATA,Y.SHIMIZU,T.MESHIZUKA,T.YAMAMOTO,N.TAKASU,        
AUTHOR   2 M.MATSUOKA,H.MATSUMURA,K.TSUMOTO,T.KODAMA,M.KANAI,H.DOI,T.INOUE,     
AUTHOR   3 A.SUGIYAMA                                                           
REVDAT   4   08-NOV-23 3WZN    1       REMARK                                   
REVDAT   3   24-AUG-22 3WZN    1       JRNL   REMARK SEQADV                     
REVDAT   2   22-NOV-17 3WZN    1       REMARK                                   
REVDAT   1   18-FEB-15 3WZN    0                                                
JRNL        AUTH   T.KAWATO,E.MIZOHATA,Y.SHIMIZU,T.MESHIZUKA,T.YAMAMOTO,        
JRNL        AUTH 2 N.TAKASU,M.MATSUOKA,H.MATSUMURA,T.KODAMA,M.KANAI,H.DOI,      
JRNL        AUTH 3 T.INOUE,A.SUGIYAMA                                           
JRNL        TITL   STRUCTURE-BASED DESIGN OF A STREPTAVIDIN MUTANT SPECIFIC FOR 
JRNL        TITL 2 AN ARTIFICIAL BIOTIN ANALOGUE.                               
JRNL        REF    J.BIOCHEM.                    V. 157   467 2015              
JRNL        REFN                   ISSN 0021-924X                               
JRNL        PMID   25645976                                                     
JRNL        DOI    10.1093/JB/MVV004                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
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) : 1.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 51662                          
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) : 0.162                           
REMARK   3   R VALUE            (WORKING SET) : 0.160                           
REMARK   3   FREE R VALUE                     : 0.207                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2761                            
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) : 1.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.33                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3744                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.55                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3230                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 206                          
REMARK   3   BIN FREE R VALUE                    : 0.3460                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1801                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 37                                      
REMARK   3   SOLVENT ATOMS            : 222                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.37                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.29000                                             
REMARK   3    B22 (A**2) : -0.65000                                             
REMARK   3    B33 (A**2) : 0.93000                                              
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): 0.054         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.055         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.041         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.288         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.974                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.960                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1929 ; 0.026 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2656 ; 2.328 ; 1.916       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   263 ; 7.196 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    75 ;27.963 ;25.200       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   260 ;13.610 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     4 ;21.876 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   303 ; 0.325 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1476 ; 0.014 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
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):  1230 ; 2.767 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1961 ; 3.824 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   699 ; 5.341 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   686 ; 7.112 ; 4.500       
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):  1929 ; 2.719 ; 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 : 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3WZN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-OCT-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000096993.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-DEC-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : PHOTON FACTORY                     
REMARK 200  BEAMLINE                       : BL-17A                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.98000                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 54829                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY                : 7.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 26.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.35                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.50                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.40600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.950                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 3WYQ                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.08                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM SODIUM ACETATE TRIHYDRATE, 2.0    
REMARK 280  M AMMONIUM SULFATE, PH 4.6, VAPOR DIFFUSION, SITTING DROP,          
REMARK 280  TEMPERATURE 294K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 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+1/2,Y+1/2,-Z                                         
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        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       33.83850            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       27.17200            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       33.83850            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       27.17200            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 12020 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 18570 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -63.0 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        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      -54.34400            
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     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     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 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  1196     O    HOH A  1228              2.11            
REMARK 500   O    HOH A  1177     O    HOH A  1213              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  1150     O    HOH A  1161     2545     1.12            
REMARK 500   O    HOH A  1223     O    HOH B  1188     4545     2.09            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    ASP A 128   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A 128   CB  -  CG  -  OD2 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500    LEU B  56   CA  -  CB  -  CG  ANGL. DEV. =  18.4 DEGREES          
REMARK 500    LEU B  56   CB  -  CG  -  CD1 ANGL. DEV. =  19.2 DEGREES          
REMARK 500    THR B 115   OG1 -  CB  -  CG2 ANGL. DEV. =  15.0 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     -151.38     64.66                                   
REMARK 500    ASP A 101       75.01   -117.42                                   
REMARK 500    SER B  52     -150.04     64.52                                   
REMARK 500    SER B  52     -151.22     66.29                                   
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 1001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BTN B 1001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 1002                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3WZO   RELATED DB: PDB                                   
REMARK 900 THE MUTANT V21 COMPLEXED WITH BIOTIN LONG TAIL (BTNTAIL)             
REMARK 900 RELATED ID: 3WZP   RELATED DB: PDB                                   
REMARK 900 THE MUTANT V21 COMPLEXED WITH IMINOBIOTIN LONG TAIL (IMNTAIL)        
REMARK 900 RELATED ID: 3WZQ   RELATED DB: PDB                                   
REMARK 900 THE MUTANT V21 COMPLEXED WITH IMINOBIOTIN LONG TAIL (IMNTAIL) 1.7 A  
REMARK 900 RESOLUTION                                                           
DBREF  3WZN A   13   139  UNP    P22629   SAV_STRAV       37    163             
DBREF  3WZN B   13   139  UNP    P22629   SAV_STRAV       37    163             
SEQADV 3WZN GLY A   11  UNP  P22629              EXPRESSION TAG                 
SEQADV 3WZN PRO A   12  UNP  P22629              EXPRESSION TAG                 
SEQADV 3WZN SER A   22  UNP  P22629    TYR    46 ENGINEERED MUTATION            
SEQADV 3WZN ASP A   23  UNP  P22629    ASN    47 ENGINEERED MUTATION            
SEQADV 3WZN ASP A   27  UNP  P22629    SER    51 ENGINEERED MUTATION            
SEQADV 3WZN SER A   83  UNP  P22629    TYR   107 ENGINEERED MUTATION            
SEQADV 3WZN LYS A   84  UNP  P22629    ARG   108 ENGINEERED MUTATION            
SEQADV 3WZN ASP A  101  UNP  P22629    GLU   125 ENGINEERED MUTATION            
SEQADV 3WZN LYS A  103  UNP  P22629    ARG   127 ENGINEERED MUTATION            
SEQADV 3WZN ASN A  116  UNP  P22629    GLU   140 ENGINEERED MUTATION            
SEQADV 3WZN GLY B   11  UNP  P22629              EXPRESSION TAG                 
SEQADV 3WZN PRO B   12  UNP  P22629              EXPRESSION TAG                 
SEQADV 3WZN SER B   22  UNP  P22629    TYR    46 ENGINEERED MUTATION            
SEQADV 3WZN ASP B   23  UNP  P22629    ASN    47 ENGINEERED MUTATION            
SEQADV 3WZN ASP B   27  UNP  P22629    SER    51 ENGINEERED MUTATION            
SEQADV 3WZN SER B   83  UNP  P22629    TYR   107 ENGINEERED MUTATION            
SEQADV 3WZN LYS B   84  UNP  P22629    ARG   108 ENGINEERED MUTATION            
SEQADV 3WZN ASP B  101  UNP  P22629    GLU   125 ENGINEERED MUTATION            
SEQADV 3WZN LYS B  103  UNP  P22629    ARG   127 ENGINEERED MUTATION            
SEQADV 3WZN ASN B  116  UNP  P22629    GLU   140 ENGINEERED MUTATION            
SEQRES   1 A  129  GLY PRO ALA GLU ALA GLY ILE THR GLY THR TRP SER ASP          
SEQRES   2 A  129  GLN LEU GLY ASP THR PHE ILE VAL THR ALA GLY ALA ASP          
SEQRES   3 A  129  GLY ALA LEU THR GLY THR TYR GLU SER ALA VAL GLY ASN          
SEQRES   4 A  129  ALA GLU SER ARG TYR VAL LEU THR GLY ARG TYR ASP SER          
SEQRES   5 A  129  ALA PRO ALA THR ASP GLY SER GLY THR ALA LEU GLY TRP          
SEQRES   6 A  129  THR VAL ALA TRP LYS ASN ASN SER LYS ASN ALA HIS SER          
SEQRES   7 A  129  ALA THR THR TRP SER GLY GLN TYR VAL GLY GLY ALA ASP          
SEQRES   8 A  129  ALA LYS ILE ASN THR GLN TRP LEU LEU THR SER GLY THR          
SEQRES   9 A  129  THR ASN ALA ASN ALA TRP LYS SER THR LEU VAL GLY HIS          
SEQRES  10 A  129  ASP THR PHE THR LYS VAL LYS PRO SER ALA ALA SER              
SEQRES   1 B  129  GLY PRO ALA GLU ALA GLY ILE THR GLY THR TRP SER ASP          
SEQRES   2 B  129  GLN LEU GLY ASP THR PHE ILE VAL THR ALA GLY ALA ASP          
SEQRES   3 B  129  GLY ALA LEU THR GLY THR TYR GLU SER ALA VAL GLY ASN          
SEQRES   4 B  129  ALA GLU SER ARG TYR VAL LEU THR GLY ARG TYR ASP SER          
SEQRES   5 B  129  ALA PRO ALA THR ASP GLY SER GLY THR ALA LEU GLY TRP          
SEQRES   6 B  129  THR VAL ALA TRP LYS ASN ASN SER LYS ASN ALA HIS SER          
SEQRES   7 B  129  ALA THR THR TRP SER GLY GLN TYR VAL GLY GLY ALA ASP          
SEQRES   8 B  129  ALA LYS ILE ASN THR GLN TRP LEU LEU THR SER GLY THR          
SEQRES   9 B  129  THR ASN ALA ASN ALA TRP LYS SER THR LEU VAL GLY HIS          
SEQRES  10 B  129  ASP THR PHE THR LYS VAL LYS PRO SER ALA ALA SER              
HET    BTN  A1001      16                                                       
HET    BTN  B1001      16                                                       
HET    SO4  B1002       5                                                       
HETNAM     BTN BIOTIN                                                           
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3  BTN    2(C10 H16 N2 O3 S)                                           
FORMUL   5  SO4    O4 S 2-                                                      
FORMUL   6  HOH   *222(H2 O)                                                    
HELIX    1   1 GLY A   11  THR A   18  1                                   8    
HELIX    2   2 THR A  115  LYS A  121  5                                   7    
HELIX    3   3 PRO B   12  THR B   18  1                                   7    
HELIX    4   4 ASN B  118  LYS B  121  5                                   4    
SHEET    1   A 9 GLY A  19  SER A  22  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  GLU A  44   N  THR A  28           
SHEET    4   A 9 TYR A  54  TYR A  60 -1  O  LEU A  56   N  GLY A  41           
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  THR A  90   N  VAL A  77           
SHEET    7   A 9 LYS A 103  SER A 112 -1  O  LYS A 103   N  VAL A  97           
SHEET    8   A 9 THR A 123  LYS A 134 -1  O  PHE A 130   N  ILE A 104           
SHEET    9   A 9 GLY A  19  SER A  22 -1  N  THR A  20   O  VAL A 133           
SHEET    1   B 9 GLY B  19  SER B  22  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  GLU B  44   N  THR B  28           
SHEET    4   B 9 TYR B  54  TYR B  60 -1  O  TYR B  54   N  TYR B  43           
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  THR B  90   N  VAL B  77           
SHEET    7   B 9 LYS B 103  SER B 112 -1  O  GLN B 107   N  SER B  93           
SHEET    8   B 9 THR B 123  LYS B 132 -1  O  PHE B 130   N  ILE B 104           
SHEET    9   B 9 GLY B  19  SER B  22 -1  N  SER B  22   O  THR B 131           
SITE     1 AC1 11 ASP A  27  TYR A  43  SER A  45  VAL A  47                    
SITE     2 AC1 11 ASN A  49  TRP A  79  SER A  88  THR A  90                    
SITE     3 AC1 11 TRP A 108  HOH A1184  HOH A1205                               
SITE     1 AC2 11 ASP B  27  TYR B  43  SER B  45  VAL B  47                    
SITE     2 AC2 11 ASN B  49  TRP B  79  SER B  88  THR B  90                    
SITE     3 AC2 11 TRP B 108  HOH B1128  HOH B1174                               
SITE     1 AC3  5 ARG B  53  THR B 115  ASN B 116  ALA B 117                    
SITE     2 AC3  5 HOH B1194                                                     
CRYST1   67.677   54.344   60.064  90.00  90.00  90.00 P 21 21 2     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      0.014776  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.018401  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016649        0.00000