HEADER    IMMUNE SYSTEM                           12-JUL-05   2A9N              
TITLE     A MUTATION DESIGNED TO ALTER CRYSTAL PACKING PERMITS STRUCTURAL       
TITLE    2 ANALYSIS OF A TIGHT-BINDING FLUORESCEIN-SCFV COMPLEX                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FLUORESCEIN-SCFV;                                          
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: SB536;                                     
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_VECTOR: PAK400                                     
KEYWDS    IMMUNOGLOBULIN, FLUORESCEIN, SCFV, IMMUNE SYSTEM                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.CAMBILLAU,S.SPINELLI,A.HONEGGER,A.PLUCKTHUN                         
REVDAT   6   30-OCT-24 2A9N    1       REMARK                                   
REVDAT   5   03-APR-24 2A9N    1       COMPND SOURCE REMARK DBREF               
REVDAT   5 2                   1       SEQADV SEQRES HELIX  SHEET               
REVDAT   5 3                   1       SSBOND SITE   ATOM                       
REVDAT   4   23-AUG-23 2A9N    1       REMARK SEQADV                            
REVDAT   3   24-FEB-09 2A9N    1       VERSN                                    
REVDAT   2   27-DEC-05 2A9N    1       REMARK                                   
REVDAT   1   25-OCT-05 2A9N    0                                                
JRNL        AUTH   A.HONEGGER,S.SPINELLI,C.CAMBILLAU,A.PLUCKTHUN                
JRNL        TITL   A MUTATION DESIGNED TO ALTER CRYSTAL PACKING PERMITS         
JRNL        TITL 2 STRUCTURAL ANALYSIS OF A TIGHT-BINDING FLUORESCEIN-SCFV      
JRNL        TITL 3 COMPLEX.                                                     
JRNL        REF    PROTEIN SCI.                  V.  14  2537 2005              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   16195545                                                     
JRNL        DOI    10.1110/PS.051520605                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
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) : 3.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 18.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 9264                           
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) : 0.221                           
REMARK   3   R VALUE            (WORKING SET) : 0.217                           
REMARK   3   FREE R VALUE                     : 0.266                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 8.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 905                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 12                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 3.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.13                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1092                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2790                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 100                          
REMARK   3   BIN FREE R VALUE                    : 0.3370                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3529                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 60                                      
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 33.49                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 4.66000                                              
REMARK   3    B22 (A**2) : -1.41000                                             
REMARK   3    B33 (A**2) : -3.26000                                             
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): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.519         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.371         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 20.721        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.922                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.878                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3681 ; 0.011 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  3126 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5005 ; 1.260 ; 1.959       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  7270 ; 0.813 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   466 ; 6.088 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   530 ; 0.075 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4214 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   794 ; 0.002 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   599 ; 0.201 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  3501 ; 0.228 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  2205 ; 0.083 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    40 ; 0.176 ; 0.200       
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):    10 ; 0.184 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    11 ; 0.139 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     1 ; 0.154 ; 0.200       
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):  2313 ; 0.225 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3679 ; 0.424 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1368 ; 0.640 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1326 ; 1.047 ; 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):  NULL ;  NULL ;  NULL       
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: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2A9N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUL-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033658.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-OCT-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 4.1                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : OSMIC MIRROR                       
REMARK 200  OPTICS                         : OSMICS MIRROR                      
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 10306                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 18.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.5                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
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) : 3.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.13                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY: 2A9M                                      
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 29-30% (W/V) PEG 8000, 0.2 M AMMONIUM    
REMARK 280  SULFATE, 10 MM SODIUM ACETATE , PH 4.1, VAPOR DIFFUSION, HANGING    
REMARK 280  DROP, TEMPERATURE 298K                                              
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       40.69100            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       50.23000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       40.69100            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       50.23000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 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     SER A   126A                                                     
REMARK 465     GLY A   126B                                                     
REMARK 465     GLY A   126C                                                     
REMARK 465     GLY A   126D                                                     
REMARK 465     GLY A   126E                                                     
REMARK 465     SER A   126F                                                     
REMARK 465     GLY A   126G                                                     
REMARK 465     GLY A   126H                                                     
REMARK 465     GLY A   126I                                                     
REMARK 465     GLY A   126J                                                     
REMARK 465     SER A   126K                                                     
REMARK 465     GLY A   126L                                                     
REMARK 465     GLY A   126M                                                     
REMARK 465     GLY A   126N                                                     
REMARK 465     GLY A   126O                                                     
REMARK 465     SER A   126P                                                     
REMARK 465     GLN A   126Q                                                     
REMARK 465     SER A   126R                                                     
REMARK 465     ALA A   237                                                      
REMARK 465     SER A   238                                                      
REMARK 465     GLY A   239                                                      
REMARK 465     ALA A   240                                                      
REMARK 465     ASP A   241                                                      
REMARK 465     HIS A   242                                                      
REMARK 465     HIS A   243                                                      
REMARK 465     HIS A   244                                                      
REMARK 465     HIS A   245                                                      
REMARK 465     HIS A   246                                                      
REMARK 465     HIS A   247                                                      
REMARK 465     SER B   126A                                                     
REMARK 465     GLY B   126B                                                     
REMARK 465     GLY B   126C                                                     
REMARK 465     GLY B   126D                                                     
REMARK 465     GLY B   126E                                                     
REMARK 465     SER B   126F                                                     
REMARK 465     GLY B   126G                                                     
REMARK 465     GLY B   126H                                                     
REMARK 465     GLY B   126I                                                     
REMARK 465     GLY B   126J                                                     
REMARK 465     SER B   126K                                                     
REMARK 465     GLY B   126L                                                     
REMARK 465     GLY B   126M                                                     
REMARK 465     GLY B   126N                                                     
REMARK 465     GLY B   126O                                                     
REMARK 465     SER B   126P                                                     
REMARK 465     GLN B   126Q                                                     
REMARK 465     GLY B   236                                                      
REMARK 465     ALA B   237                                                      
REMARK 465     SER B   238                                                      
REMARK 465     GLY B   239                                                      
REMARK 465     ALA B   240                                                      
REMARK 465     ASP B   241                                                      
REMARK 465     HIS B   242                                                      
REMARK 465     HIS B   243                                                      
REMARK 465     HIS B   244                                                      
REMARK 465     HIS B   245                                                      
REMARK 465     HIS B   246                                                      
REMARK 465     HIS B   247                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLN A   1    CG   CD   OE1  NE2                                  
REMARK 470     SER A  33    OG                                                  
REMARK 470     GLN B   1    CG   CD   OE1  NE2                                  
REMARK 470     SER B  33    OG                                                  
REMARK 470     SER B 127    OG                                                  
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  62   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A 176   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A 208   CB  -  CG  -  OD2 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    ASP A 218   CB  -  CG  -  OD2 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ASP B  73   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP B  90   CB  -  CG  -  OD2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP B 208   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 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    LEU A  18      136.47   -175.20                                   
REMARK 500    VAL A  48      -49.46   -137.92                                   
REMARK 500    ALA A  53      -77.33    -67.06                                   
REMARK 500    SER A  55     -139.74   -109.95                                   
REMARK 500    SER A  56       56.43   -152.88                                   
REMARK 500    ALA A  92      165.93    171.45                                   
REMARK 500    SER A 104     -171.28    -69.75                                   
REMARK 500    ALA A 107      114.85    -25.61                                   
REMARK 500    GLN A 141     -148.33    -79.36                                   
REMARK 500    ASN A 153      -79.24   -104.17                                   
REMARK 500    VAL A 177      -50.11     77.29                                   
REMARK 500    ASN A 195       50.13   -102.28                                   
REMARK 500    SER A 196      129.91   -171.14                                   
REMARK 500    GLU A 209      106.55    -59.54                                   
REMARK 500    LEU B  18      139.25   -173.55                                   
REMARK 500    ALA B  53      -88.64    -79.15                                   
REMARK 500    SER B  55     -165.52    -75.18                                   
REMARK 500    ARG B  67      -48.01   -133.22                                   
REMARK 500    HIS B 109       41.59   -142.61                                   
REMARK 500    PRO B 139      157.91    -44.62                                   
REMARK 500    ASN B 153      -66.65    -99.68                                   
REMARK 500    VAL B 177      -49.33     75.70                                   
REMARK 500    ASP B 186        2.20    -67.82                                   
REMARK 500    ALA B 210      174.69    167.14                                   
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 ORE A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ORE B 301                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2A9M   RELATED DB: PDB                                   
REMARK 900 APO SCFV                                                             
DBREF  2A9N A    1   247  PDB    2A9N     2A9N             1    247             
DBREF  2A9N B    1   247  PDB    2A9N     2A9N             1    247             
SEQRES   1 A  264  GLN VAL GLN LEU VAL GLU SER GLY GLY ASN LEU VAL GLN          
SEQRES   2 A  264  PRO GLY GLY SER LEU ARG LEU SER CYS ALA ALA SER GLY          
SEQRES   3 A  264  PHE THR PHE GLY SER PHE SER MET SER TRP VAL ARG GLN          
SEQRES   4 A  264  ALA PRO GLY GLY GLY LEU GLU TRP VAL ALA GLY LEU SER          
SEQRES   5 A  264  ALA ARG SER SER LEU THR HIS TYR ALA ASP SER VAL LYS          
SEQRES   6 A  264  GLY ARG PHE THR ILE SER ARG ASP ASN ALA LYS ASN SER          
SEQRES   7 A  264  VAL TYR LEU GLN MET ASN SER LEU ARG VAL GLU ASP THR          
SEQRES   8 A  264  ALA VAL TYR TYR CYS ALA ARG ARG SER TYR ASP SER SER          
SEQRES   9 A  264  GLY TYR ALA GLY HIS PHE TYR SER TYR MET ASP VAL TRP          
SEQRES  10 A  264  GLY GLN GLY THR LEU VAL THR VAL SER SER GLY GLY GLY          
SEQRES  11 A  264  GLY SER GLY GLY GLY GLY SER GLY GLY GLY GLY SER GLN          
SEQRES  12 A  264  SER VAL LEU THR GLN PRO SER SER VAL SER ALA ALA PRO          
SEQRES  13 A  264  GLY GLN LYS VAL THR ILE SER CYS SER GLY SER THR SER          
SEQRES  14 A  264  ASN ILE GLY ASN ASN TYR VAL SER TRP TYR GLN GLN HIS          
SEQRES  15 A  264  PRO GLY LYS ALA PRO LYS LEU MET ILE TYR ASP VAL SER          
SEQRES  16 A  264  LYS ARG PRO SER GLY VAL PRO ASP ARG PHE SER GLY SER          
SEQRES  17 A  264  LYS SER GLY ASN SER ALA SER LEU ASP ILE SER GLY LEU          
SEQRES  18 A  264  GLN SER GLU ASP GLU ALA ASP TYR TYR CYS ALA ALA TRP          
SEQRES  19 A  264  ASP ASP SER LEU SER GLU PHE LEU PHE GLY THR GLY THR          
SEQRES  20 A  264  LYS LEU THR VAL LEU GLY ALA SER GLY ALA ASP HIS HIS          
SEQRES  21 A  264  HIS HIS HIS HIS                                              
SEQRES   1 B  264  GLN VAL GLN LEU VAL GLU SER GLY GLY ASN LEU VAL GLN          
SEQRES   2 B  264  PRO GLY GLY SER LEU ARG LEU SER CYS ALA ALA SER GLY          
SEQRES   3 B  264  PHE THR PHE GLY SER PHE SER MET SER TRP VAL ARG GLN          
SEQRES   4 B  264  ALA PRO GLY GLY GLY LEU GLU TRP VAL ALA GLY LEU SER          
SEQRES   5 B  264  ALA ARG SER SER LEU THR HIS TYR ALA ASP SER VAL LYS          
SEQRES   6 B  264  GLY ARG PHE THR ILE SER ARG ASP ASN ALA LYS ASN SER          
SEQRES   7 B  264  VAL TYR LEU GLN MET ASN SER LEU ARG VAL GLU ASP THR          
SEQRES   8 B  264  ALA VAL TYR TYR CYS ALA ARG ARG SER TYR ASP SER SER          
SEQRES   9 B  264  GLY TYR ALA GLY HIS PHE TYR SER TYR MET ASP VAL TRP          
SEQRES  10 B  264  GLY GLN GLY THR LEU VAL THR VAL SER SER GLY GLY GLY          
SEQRES  11 B  264  GLY SER GLY GLY GLY GLY SER GLY GLY GLY GLY SER GLN          
SEQRES  12 B  264  SER VAL LEU THR GLN PRO SER SER VAL SER ALA ALA PRO          
SEQRES  13 B  264  GLY GLN LYS VAL THR ILE SER CYS SER GLY SER THR SER          
SEQRES  14 B  264  ASN ILE GLY ASN ASN TYR VAL SER TRP TYR GLN GLN HIS          
SEQRES  15 B  264  PRO GLY LYS ALA PRO LYS LEU MET ILE TYR ASP VAL SER          
SEQRES  16 B  264  LYS ARG PRO SER GLY VAL PRO ASP ARG PHE SER GLY SER          
SEQRES  17 B  264  LYS SER GLY ASN SER ALA SER LEU ASP ILE SER GLY LEU          
SEQRES  18 B  264  GLN SER GLU ASP GLU ALA ASP TYR TYR CYS ALA ALA TRP          
SEQRES  19 B  264  ASP ASP SER LEU SER GLU PHE LEU PHE GLY THR GLY THR          
SEQRES  20 B  264  LYS LEU THR VAL LEU GLY ALA SER GLY ALA ASP HIS HIS          
SEQRES  21 B  264  HIS HIS HIS HIS                                              
HET    ORE  A 301      30                                                       
HET    ORE  B 301      30                                                       
HETNAM     ORE 4-(2,7-DIFLUORO-6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)                 
HETNAM   2 ORE  ISOPHTHALIC ACID                                                
HETSYN     ORE OREGON GREEN 488 CARBOXYLATE                                     
FORMUL   3  ORE    2(C21 H10 F2 O7)                                             
HELIX    1   1 THR A   28  PHE A   32  5                                   5    
HELIX    2   2 ASP A   62  LYS A   65  5                                   4    
HELIX    3   3 ARG A   87  THR A   91  5                                   5    
HELIX    4   4 THR B   28  PHE B   32  5                                   5    
HELIX    5   5 ARG B   87  THR B   91  5                                   5    
SHEET    1   A 5 SER A 134  ALA A 137  0                                        
SHEET    2   A 5 THR A 230  VAL A 234  1  O  THR A 233   N  VAL A 135           
SHEET    3   A 5 ASP A 211  ASP A 218 -1  N  TYR A 212   O  THR A 230           
SHEET    4   A 5 SER A 160  GLN A 164 -1  N  TYR A 162   O  TYR A 213           
SHEET    5   A 5 LYS A 171  ILE A 174 -1  O  MET A 173   N  TRP A 161           
SHEET    1   B 4 SER A 134  ALA A 137  0                                        
SHEET    2   B 4 THR A 230  VAL A 234  1  O  THR A 233   N  VAL A 135           
SHEET    3   B 4 ASP A 211  ASP A 218 -1  N  TYR A 212   O  THR A 230           
SHEET    4   B 4 GLU A 223  PHE A 226 -1  O  GLU A 223   N  ASP A 218           
SHEET    1   C 3 LYS A 142  SER A 148  0                                        
SHEET    2   C 3 SER A 196  SER A 202 -1  O  LEU A 199   N  ILE A 145           
SHEET    3   C 3 PHE A 188  LYS A 192 -1  N  SER A 189   O  ASP A 200           
SHEET    1   D 4 GLN A   3  SER A   7  0                                        
SHEET    2   D 4 LEU A  18  SER A  25 -1  O  ALA A  23   N  VAL A   5           
SHEET    3   D 4 SER A  78  MET A  83 -1  O  LEU A  81   N  LEU A  20           
SHEET    4   D 4 PHE A  68  ASP A  73 -1  N  THR A  69   O  GLN A  82           
SHEET    1   E 6 LEU A  11  VAL A  12  0                                        
SHEET    2   E 6 THR A 121  VAL A 125  1  O  THR A 124   N  VAL A  12           
SHEET    3   E 6 ALA A  92  ARG A  99 -1  N  TYR A  94   O  THR A 121           
SHEET    4   E 6 SER A  33  GLN A  39 -1  N  VAL A  37   O  TYR A  95           
SHEET    5   E 6 GLU A  46  LEU A  51 -1  O  LEU A  51   N  MET A  34           
SHEET    6   E 6 THR A  58  TYR A  60 -1  O  HIS A  59   N  GLY A  50           
SHEET    1   F 4 LEU A  11  VAL A  12  0                                        
SHEET    2   F 4 THR A 121  VAL A 125  1  O  THR A 124   N  VAL A  12           
SHEET    3   F 4 ALA A  92  ARG A  99 -1  N  TYR A  94   O  THR A 121           
SHEET    4   F 4 VAL A 116  TRP A 117 -1  O  VAL A 116   N  ARG A  98           
SHEET    1   G 5 SER B 134  ALA B 137  0                                        
SHEET    2   G 5 THR B 230  VAL B 234  1  O  THR B 233   N  VAL B 135           
SHEET    3   G 5 ALA B 210  ASP B 218 -1  N  ALA B 210   O  LEU B 232           
SHEET    4   G 5 VAL B 159  GLN B 164 -1  N  TYR B 162   O  TYR B 213           
SHEET    5   G 5 LYS B 171  ILE B 174 -1  O  ILE B 174   N  TRP B 161           
SHEET    1   H 4 SER B 134  ALA B 137  0                                        
SHEET    2   H 4 THR B 230  VAL B 234  1  O  THR B 233   N  VAL B 135           
SHEET    3   H 4 ALA B 210  ASP B 218 -1  N  ALA B 210   O  LEU B 232           
SHEET    4   H 4 GLU B 223  PHE B 226 -1  O  LEU B 225   N  ALA B 216           
SHEET    1   I 3 VAL B 143  SER B 148  0                                        
SHEET    2   I 3 SER B 196  ILE B 201 -1  O  ALA B 197   N  CYS B 147           
SHEET    3   I 3 PHE B 188  LYS B 192 -1  N  SER B 189   O  ASP B 200           
SHEET    1   J 4 GLN B   3  SER B   7  0                                        
SHEET    2   J 4 LEU B  18  SER B  25 -1  O  ALA B  23   N  VAL B   5           
SHEET    3   J 4 SER B  78  MET B  83 -1  O  MET B  83   N  LEU B  18           
SHEET    4   J 4 PHE B  68  ASP B  73 -1  N  THR B  69   O  GLN B  82           
SHEET    1   K 6 LEU B  11  VAL B  12  0                                        
SHEET    2   K 6 THR B 121  VAL B 125  1  O  THR B 124   N  VAL B  12           
SHEET    3   K 6 ALA B  92  ARG B  99 -1  N  TYR B  94   O  THR B 121           
SHEET    4   K 6 SER B  33  GLN B  39 -1  N  VAL B  37   O  TYR B  95           
SHEET    5   K 6 LEU B  45  LEU B  51 -1  O  GLU B  46   N  ARG B  38           
SHEET    6   K 6 THR B  58  TYR B  60 -1  O  HIS B  59   N  GLY B  50           
SHEET    1   L 4 LEU B  11  VAL B  12  0                                        
SHEET    2   L 4 THR B 121  VAL B 125  1  O  THR B 124   N  VAL B  12           
SHEET    3   L 4 ALA B  92  ARG B  99 -1  N  TYR B  94   O  THR B 121           
SHEET    4   L 4 VAL B 116  TRP B 117 -1  O  VAL B 116   N  ARG B  98           
SSBOND   1 CYS A   22    CYS A   96                          1555   1555  2.01  
SSBOND   2 CYS A  147    CYS A  214                          1555   1555  2.01  
SSBOND   3 CYS B   22    CYS B   96                          1555   1555  2.00  
SSBOND   4 CYS B  147    CYS B  214                          1555   1555  2.01  
SITE     1 AC1 13 SER A  35  TRP A  47  GLY A  50  LEU A  51                    
SITE     2 AC1 13 SER A  52  HIS A  59  ARG A  99  GLY A 108                    
SITE     3 AC1 13 TYR A 111  SER A 112  ORE B 301  TRP A 217                    
SITE     4 AC1 13 PHE A 224                                                     
SITE     1 AC2 13 ORE A 301  SER B  35  TRP B  47  GLY B  50                    
SITE     2 AC2 13 SER B  52  HIS B  59  ARG B  99  GLY B 108                    
SITE     3 AC2 13 HIS B 109  TYR B 111  SER B 112  TRP B 217                    
SITE     4 AC2 13 PHE B 224                                                     
CRYST1   81.382  100.460   61.749  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      0.012288  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009954  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016195        0.00000