HEADER    IMMUNE SYSTEM                           14-NOV-07   3BD3              
TITLE     CRYSTAL STRUCTURE OF SINGLE DOMAIN VL OF AN ANTI-DNA BINDING ANTIBODY 
TITLE    2 3D8 SCFV AND ITS ACTIVE SITE REVEALED BY COMPLEX STRUCTURES OF A     
TITLE    3 SMALL MOLECULE AND METALS                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CATALYTIC ANTIBODY;                                        
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: LIGHT CHAIN, LUPUS SYNDROME, DNA DEGRADING ANTIBODY;        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   4 ORGANISM_TAXID: 10090;                                               
SOURCE   5 GENE: 3D8 VL;                                                        
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS;                            
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PIG20                                     
KEYWDS    3D8, CATALYTIC ANTIBODY, ANTI-DNA, IMMUNE SYSTEM                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.K.PARK,J.S.KIM                                                      
REVDAT   5   30-OCT-24 3BD3    1       REMARK                                   
REVDAT   4   01-NOV-23 3BD3    1       REMARK                                   
REVDAT   3   24-FEB-09 3BD3    1       VERSN                                    
REVDAT   2   03-JUN-08 3BD3    1       JRNL                                     
REVDAT   1   01-APR-08 3BD3    0                                                
JRNL        AUTH   S.Y.PARK,W.R.LEE,S.C.LEE,M.H.KWON,Y.S.KIM,J.S.KIM            
JRNL        TITL   CRYSTAL STRUCTURE OF SINGLE-DOMAIN VL OF AN ANTI-DNA BINDING 
JRNL        TITL 2 ANTIBODY 3D8 SCFV AND ITS ACTIVE SITE REVEALED BY COMPLEX    
JRNL        TITL 3 STRUCTURES OF A SMALL MOLECULE AND METALS                    
JRNL        REF    PROTEINS                      V.  71  2091 2008              
JRNL        REFN                   ISSN 0887-3585                               
JRNL        PMID   18338383                                                     
JRNL        DOI    10.1002/PROT.22011                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.75                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 89.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 25400                          
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 SET) : 0.229                           
REMARK   3   FREE R VALUE                     : 0.270                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 2544                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.61                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2829                       
REMARK   3   BIN FREE R VALUE                    : 0.4677                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1750                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 14                                      
REMARK   3   SOLVENT ATOMS            : 218                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.220                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3BD3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-NOV-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000045370.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-MAY-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : PAL/PLS                            
REMARK 200  BEAMLINE                       : 4A                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 27790                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.8                               
REMARK 200  DATA REDUNDANCY                : 7.800                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.66                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 8.00                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.58000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.100                              
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: PDB ENTRY 2GKI                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.83                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 3350, 0.1M BIS-TRIS, PH 6.5,     
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291.0K                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       31.91733            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       63.83467            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       63.83467            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       31.91733            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1550 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10880 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -3.7 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 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    ALA A 215      -38.69     69.34                                   
REMARK 500    SER A 240      -71.24    -45.23                                   
REMARK 500    ALA A 248     -174.20    177.69                                   
REMARK 500    TYR A 256      -91.30   -109.25                                   
REMARK 500    HIS A 258       45.84     70.13                                   
REMARK 500    ALA B 215      -40.74     69.61                                   
REMARK 500    MET B 259       69.41     81.50                                   
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 BTB B 1                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3BD4   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3BD5   RELATED DB: PDB                                   
DBREF  3BD3 A  160   271  PDB    3BD3     3BD3           160    271             
DBREF  3BD3 B  160   271  PDB    3BD3     3BD3           160    271             
SEQRES   1 A  112  LEU VAL MET SER GLN SER PRO SER SER LEU ALA VAL SER          
SEQRES   2 A  112  ALA GLY GLU LYS VAL THR MET SER CYS LYS SER SER GLN          
SEQRES   3 A  112  SER LEU PHE ASN SER ARG THR ARG LYS ASN TYR LEU ALA          
SEQRES   4 A  112  TRP TYR GLN GLN LYS PRO GLY GLN SER PRO LYS LEU LEU          
SEQRES   5 A  112  ILE TYR TRP ALA SER THR ARG GLU SER GLY VAL PRO ASP          
SEQRES   6 A  112  ARG PHE THR GLY SER GLY SER GLY THR ASP PHE THR LEU          
SEQRES   7 A  112  THR ILE SER SER VAL GLN ALA GLU ASP LEU ALA VAL TYR          
SEQRES   8 A  112  TYR CYS LYS GLN SER TYR TYR HIS MET TYR THR PHE GLY          
SEQRES   9 A  112  SER GLY THR LYS LEU GLU ILE LYS                              
SEQRES   1 B  112  LEU VAL MET SER GLN SER PRO SER SER LEU ALA VAL SER          
SEQRES   2 B  112  ALA GLY GLU LYS VAL THR MET SER CYS LYS SER SER GLN          
SEQRES   3 B  112  SER LEU PHE ASN SER ARG THR ARG LYS ASN TYR LEU ALA          
SEQRES   4 B  112  TRP TYR GLN GLN LYS PRO GLY GLN SER PRO LYS LEU LEU          
SEQRES   5 B  112  ILE TYR TRP ALA SER THR ARG GLU SER GLY VAL PRO ASP          
SEQRES   6 B  112  ARG PHE THR GLY SER GLY SER GLY THR ASP PHE THR LEU          
SEQRES   7 B  112  THR ILE SER SER VAL GLN ALA GLU ASP LEU ALA VAL TYR          
SEQRES   8 B  112  TYR CYS LYS GLN SER TYR TYR HIS MET TYR THR PHE GLY          
SEQRES   9 B  112  SER GLY THR LYS LEU GLU ILE LYS                              
HET    BTB  B   1      14                                                       
HETNAM     BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-                 
HETNAM   2 BTB  PROPANE-1,3-DIOL                                                
HETSYN     BTB BIS-TRIS BUFFER                                                  
FORMUL   3  BTB    C8 H19 N O5                                                  
FORMUL   4  HOH   *218(H2 O)                                                    
HELIX    1   1 GLN A  243  LEU A  247  5                                   5    
HELIX    2   2 GLN B  243  LEU B  247  5                                   5    
SHEET    1   A 4 MET A 162  SER A 165  0                                        
SHEET    2   A 4 VAL A 177  SER A 183 -1  O  SER A 180   N  SER A 165           
SHEET    3   A 4 ASP A 234  ILE A 239 -1  O  PHE A 235   N  CYS A 181           
SHEET    4   A 4 PHE A 226  SER A 231 -1  N  THR A 227   O  THR A 238           
SHEET    1   B 6 SER A 168  VAL A 171  0                                        
SHEET    2   B 6 THR A 266  ILE A 270  1  O  LYS A 267   N  LEU A 169           
SHEET    3   B 6 ALA A 248  GLN A 254 -1  N  ALA A 248   O  LEU A 268           
SHEET    4   B 6 LEU A 197  GLN A 202 -1  N  TYR A 200   O  TYR A 251           
SHEET    5   B 6 LYS A 209  TYR A 213 -1  O  ILE A 212   N  TRP A 199           
SHEET    6   B 6 THR A 217  ARG A 218 -1  O  THR A 217   N  TYR A 213           
SHEET    1   C 2 PHE A 188  ASN A 189  0                                        
SHEET    2   C 2 LYS A 194  ASN A 195 -1  O  LYS A 194   N  ASN A 189           
SHEET    1   D 4 MET B 162  SER B 165  0                                        
SHEET    2   D 4 VAL B 177  SER B 183 -1  O  SER B 180   N  SER B 165           
SHEET    3   D 4 ASP B 234  ILE B 239 -1  O  PHE B 235   N  CYS B 181           
SHEET    4   D 4 PHE B 226  SER B 231 -1  N  THR B 227   O  THR B 238           
SHEET    1   E 6 SER B 168  VAL B 171  0                                        
SHEET    2   E 6 THR B 266  ILE B 270  1  O  LYS B 267   N  LEU B 169           
SHEET    3   E 6 ALA B 248  GLN B 254 -1  N  ALA B 248   O  LEU B 268           
SHEET    4   E 6 LEU B 197  GLN B 202 -1  N  TYR B 200   O  TYR B 251           
SHEET    5   E 6 LYS B 209  TYR B 213 -1  O  LYS B 209   N  GLN B 201           
SHEET    6   E 6 THR B 217  ARG B 218 -1  O  THR B 217   N  TYR B 213           
SHEET    1   F 4 SER B 168  VAL B 171  0                                        
SHEET    2   F 4 THR B 266  ILE B 270  1  O  LYS B 267   N  LEU B 169           
SHEET    3   F 4 ALA B 248  GLN B 254 -1  N  ALA B 248   O  LEU B 268           
SHEET    4   F 4 THR B 261  PHE B 262 -1  O  THR B 261   N  GLN B 254           
SHEET    1   G 2 PHE B 188  ASN B 189  0                                        
SHEET    2   G 2 LYS B 194  ASN B 195 -1  O  LYS B 194   N  ASN B 189           
SSBOND   1 CYS A  181    CYS A  252                          1555   1555  2.04  
SSBOND   2 CYS B  181    CYS B  252                          1555   1555  2.04  
CISPEP   1 SER A  165    PRO A  166          0        -0.57                     
CISPEP   2 SER B  165    PRO B  166          0         0.04                     
SITE     1 AC1  7 TYR B 200  TRP B 214  LYS B 253  SER B 255                    
SITE     2 AC1  7 HOH B 364  HOH B 367  HOH B 409                               
CRYST1   61.746   61.746   95.752  90.00  90.00 120.00 P 31 2 1     12          
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      0.016195  0.009350  0.000000        0.00000                         
SCALE2      0.000000  0.018701  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010444        0.00000