PDB Short entry for 6ABP
HEADER    BINDING PROTEINS                        25-APR-91   6ABP              
TITLE     SUGAR-BINDING AND CRYSTALLOGRAPHIC STUDIES OF AN ARABINOSE-BINDING    
TITLE    2 PROTEIN MUTANT (MET108LEU) WHICH EXHIBITS ENHANCED AFFINITY AND      
TITLE    3 ALTERED SPECIFICITY                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: L-ARABINOSE-BINDING PROTEIN;                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562                                                  
KEYWDS    BINDING PROTEINS                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.S.VERMERSCH,J.J.G.TESMER,F.A.QUIOCHO                                
REVDAT   6   13-MAR-24 6ABP    1       HETSYN                                   
REVDAT   5   29-JUL-20 6ABP    1       COMPND REMARK SEQADV HETNAM              
REVDAT   5 2                   1       LINK   SITE   ATOM                       
REVDAT   4   24-FEB-09 6ABP    1       VERSN                                    
REVDAT   3   17-MAY-05 6ABP    1       REMARK                                   
REVDAT   2   31-OCT-93 6ABP    2       CONECT                                   
REVDAT   1   31-OCT-91 6ABP    0                                                
JRNL        AUTH   P.S.VERMERSCH,D.D.LEMON,J.J.TESMER,F.A.QUIOCHO               
JRNL        TITL   SUGAR-BINDING AND CRYSTALLOGRAPHIC STUDIES OF AN             
JRNL        TITL 2 ARABINOSE-BINDING PROTEIN MUTANT (MET108LEU) THAT EXHIBITS   
JRNL        TITL 3 ENHANCED AFFINITY AND ALTERED SPECIFICITY.                   
JRNL        REF    BIOCHEMISTRY                  V.  30  6861 1991              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   2069949                                                      
JRNL        DOI    10.1021/BI00242A009                                          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   F.A.QUIOCHO,D.K.WILSON,N.K.VYAS                              
REMARK   1  TITL   SUBSTRATE SPECIFICITY AND AFFINITY OF A PROTEIN MODULATED BY 
REMARK   1  TITL 2 BOUND WATER MOLECULES                                        
REMARK   1  REF    NATURE                        V. 340   404 1989              
REMARK   1  REFN                   ISSN 0028-0836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   F.A.QUIOCHO,N.K.VYAS                                         
REMARK   1  TITL   NOVEL STEREOSPECIFICITY OF THE L-ARABINOSE-BINDING PROTEIN   
REMARK   1  REF    NATURE                        V. 310   381 1984              
REMARK   1  REFN                   ISSN 0028-0836                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   B.MAO,M.R.PEAR,J.A.MCCAMMON,F.A.QUIOCHO                      
REMARK   1  TITL   HINGE-BENDING IN L-ARABINOSE-BINDING PROTEIN. THE            
REMARK   1  TITL 2 "VENUS'S-FLYTRAP" MODEL                                      
REMARK   1  REF    J.BIOL.CHEM.                  V. 257  1131 1982              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   G.L.GILLILAND,F.A.QUIOCHO                                    
REMARK   1  TITL   STRUCTURE OF THE L-ARABINOSE-BINDING PROTEIN FROM            
REMARK   1  TITL 2 ESCHERICHIA COLI AT 2.4 ANGSTROMS RESOLUTION                 
REMARK   1  REF    J.MOL.BIOL.                   V. 146   341 1981              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   M.E.NEWCOMER,G.L.GILLIAND,F.A.QUIOCHO                        
REMARK   1  TITL   L-ARABINOSE-BINDING PROTEIN-SUGAR COMPLEX AT 2.4 ANGSTROMS   
REMARK   1  TITL 2 RESOLUTION. STEREOCHEMISTRY AND EVIDENCE FOR A STRUCTURAL    
REMARK   1  TITL 3 CHANGE                                                       
REMARK   1  REF    J.BIOL.CHEM.                  V. 256 13213 1981              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 6                                                          
REMARK   1  AUTH   M.E.NEWCOMER,B.A.LEWIS,F.A.QUIOCHO                           
REMARK   1  TITL   THE RADIUS OF GYRATION OF L-ARABINOSE-BINDING PROTEIN        
REMARK   1  TITL 2 DECREASES UPON BINDING OF LIGAND                             
REMARK   1  REF    J.BIOL.CHEM.                  V. 256 13218 1981              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 7                                                          
REMARK   1  AUTH   D.M.MILLER /III,M.E.NEWCOMER,F.A.QUIOCHO                     
REMARK   1  TITL   THE THIOL GROUP OF THE L-ARABINOSE-BINDING PROTEIN.          
REMARK   1  TITL 2 CHROMOPHORIC LABELING AND CHEMICAL IDENTIFICATION OF THE     
REMARK   1  TITL 3 SUGAR-BINDING SITE                                           
REMARK   1  REF    J.BIOL.CHEM.                  V. 254  7521 1979              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 8                                                          
REMARK   1  AUTH   M.E.NEWCOMER,D.M.MILLER /III,F.A.QUIOCHO                     
REMARK   1  TITL   LOCATION OF THE SUGAR-BINDING SITE OF L-ARABINOSE-BINDING    
REMARK   1  TITL 2 PROTEIN. SUGAR DERIVATIVE SYNTHESES, SUGAR BINDING           
REMARK   1  TITL 3 SPECIFICITY, AND DIFFERENCE FOURIER ANALYSES                 
REMARK   1  REF    J.BIOL.CHEM.                  V. 254  7529 1979              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 9                                                          
REMARK   1  AUTH   F.A.QUIOCHO,G.L.GILLILAND,G.N.PHILLIPS JR.                   
REMARK   1  TITL   THE 2.8-ANGSTROMS RESOLUTION STRUCTURE OF THE                
REMARK   1  TITL 2 L-ARABINOSE-BINDING PROTEIN FROM ESCHERICHIA COLI            
REMARK   1  REF    J.BIOL.CHEM.                  V. 252  5142 1977              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 10                                                         
REMARK   1  AUTH   G.N.PHILLIPS JR.,V.K.MAHAJAN,A.K.Q.SIU,F.A.QUIOCHO           
REMARK   1  TITL   STRUCTURE OF L-ARABINOSE-BINDING PROTEIN FROM ESCHERICHIA    
REMARK   1  TITL 2 COLI AT 5 ANGSTROMS RESOLUTION AND PRELIMINARY RESULTS AT    
REMARK   1  TITL 3 3.5 ANGSTROMS                                                
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  73  2186 1976              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.67 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.67                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 31106                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.160                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2316                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 20                                      
REMARK   3   SOLVENT ATOMS            : 205                                     
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  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.024 ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : 0.044 ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; 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  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6ABP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000179792.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
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) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
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: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.66                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       27.77000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       39.01000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       36.06000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       39.01000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.77000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       36.06000            
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: 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 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     GLU A     1                                                      
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     ASN A   2    CB   CG   OD1  ND2                                  
REMARK 470     LYS A 306    CB   CG   CD   CE   NZ                              
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   CE   LYS A   295     O    LYS A   306              1.96            
REMARK 500   OE1  GLU A   115     O    HOH A   434              2.13            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A  13   CD    GLU A  13   OE1    -0.067                       
REMARK 500    ARG A 151   CZ    ARG A 151   NH2     0.083                       
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    PHE A  23   CB  -  CG  -  CD1 ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    ASP A  51   CB  -  CG  -  OD1 ANGL. DEV. =   6.7 DEGREES          
REMARK 500    ASP A  67   CB  -  CG  -  OD1 ANGL. DEV. =   8.0 DEGREES          
REMARK 500    ASP A  67   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ARG A  79   CA  -  CB  -  CG  ANGL. DEV. =  22.2 DEGREES          
REMARK 500    ARG A  79   NE  -  CZ  -  NH1 ANGL. DEV. =   7.6 DEGREES          
REMARK 500    ARG A  79   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    ASP A 101   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    GLU A 115   OE1 -  CD  -  OE2 ANGL. DEV. =   8.3 DEGREES          
REMARK 500    ARG A 116   CD  -  NE  -  CZ  ANGL. DEV. =  11.7 DEGREES          
REMARK 500    TYR A 122   CB  -  CG  -  CD2 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500    LYS A 123   CA  -  CB  -  CG  ANGL. DEV. =  24.3 DEGREES          
REMARK 500    GLU A 144   CG  -  CD  -  OE1 ANGL. DEV. =  12.1 DEGREES          
REMARK 500    ASP A 146   CB  -  CG  -  OD2 ANGL. DEV. =   7.1 DEGREES          
REMARK 500    ARG A 149   NH1 -  CZ  -  NH2 ANGL. DEV. =   7.0 DEGREES          
REMARK 500    ARG A 149   NE  -  CZ  -  NH1 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ARG A 150   CD  -  NE  -  CZ  ANGL. DEV. =  11.4 DEGREES          
REMARK 500    ARG A 150   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500    ARG A 151   NH1 -  CZ  -  NH2 ANGL. DEV. =  -7.9 DEGREES          
REMARK 500    ARG A 151   NE  -  CZ  -  NH1 ANGL. DEV. =  10.4 DEGREES          
REMARK 500    ARG A 151   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ASP A 157   CB  -  CG  -  OD2 ANGL. DEV. = -10.5 DEGREES          
REMARK 500    TYR A 170   CB  -  CG  -  CD2 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500    PRO A 180   N   -  CD  -  CG  ANGL. DEV. =  -9.3 DEGREES          
REMARK 500    HIS A 193   CA  -  CB  -  CG  ANGL. DEV. = -11.0 DEGREES          
REMARK 500    PHE A 221   CB  -  CG  -  CD2 ANGL. DEV. =  -4.5 DEGREES          
REMARK 500    ASP A 235   CB  -  CG  -  OD1 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    TYR A 261   CG  -  CD2 -  CE2 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    LEU A 267   CB  -  CG  -  CD2 ANGL. DEV. = -10.8 DEGREES          
REMARK 500    ASP A 285   CB  -  CG  -  OD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    ARG A 291   NE  -  CZ  -  NH1 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ARG A 291   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500    ASP A 292   CB  -  CG  -  OD2 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500    GLU A 296   CA  -  CB  -  CG  ANGL. DEV. =  13.4 DEGREES          
REMARK 500    GLU A 299   CG  -  CD  -  OE1 ANGL. DEV. =  13.2 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    ASP A  89      -55.26     58.87                                   
REMARK 500    ASN A 232      -37.64    136.26                                   
REMARK 500    PRO A 254     -152.19    -80.87                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG A 128         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  6ABP A    1   306  UNP    P02924   ARAF_ECOLI      24    329             
SEQADV 6ABP LEU A  108  UNP  P02924    MET   131 CONFLICT                       
SEQRES   1 A  306  GLU ASN LEU LYS LEU GLY PHE LEU VAL LYS GLN PRO GLU          
SEQRES   2 A  306  GLU PRO TRP PHE GLN THR GLU TRP LYS PHE ALA ASP LYS          
SEQRES   3 A  306  ALA GLY LYS ASP LEU GLY PHE GLU VAL ILE LYS ILE ALA          
SEQRES   4 A  306  VAL PRO ASP GLY GLU LYS THR LEU ASN ALA ILE ASP SER          
SEQRES   5 A  306  LEU ALA ALA SER GLY ALA LYS GLY PHE VAL ILE CYS THR          
SEQRES   6 A  306  PRO ASP PRO LYS LEU GLY SER ALA ILE VAL ALA LYS ALA          
SEQRES   7 A  306  ARG GLY TYR ASP MET LYS VAL ILE ALA VAL ASP ASP GLN          
SEQRES   8 A  306  PHE VAL ASN ALA LYS GLY LYS PRO MET ASP THR VAL PRO          
SEQRES   9 A  306  LEU VAL MET LEU ALA ALA THR LYS ILE GLY GLU ARG GLN          
SEQRES  10 A  306  GLY GLN GLU LEU TYR LYS GLU MET GLN LYS ARG GLY TRP          
SEQRES  11 A  306  ASP VAL LYS GLU SER ALA VAL MET ALA ILE THR ALA ASN          
SEQRES  12 A  306  GLU LEU ASP THR ALA ARG ARG ARG THR THR GLY SER MET          
SEQRES  13 A  306  ASP ALA LEU LYS ALA ALA GLY PHE PRO GLU LYS GLN ILE          
SEQRES  14 A  306  TYR GLN VAL PRO THR LYS SER ASN ASP ILE PRO GLY ALA          
SEQRES  15 A  306  PHE ASP ALA ALA ASN SER MET LEU VAL GLN HIS PRO GLU          
SEQRES  16 A  306  VAL LYS HIS TRP LEU ILE VAL GLY MET ASN ASP SER THR          
SEQRES  17 A  306  VAL LEU GLY GLY VAL ARG ALA THR GLU GLY GLN GLY PHE          
SEQRES  18 A  306  LYS ALA ALA ASP ILE ILE GLY ILE GLY ILE ASN GLY VAL          
SEQRES  19 A  306  ASP ALA VAL SER GLU LEU SER LYS ALA GLN ALA THR GLY          
SEQRES  20 A  306  PHE TYR GLY SER LEU LEU PRO SER PRO ASP VAL HIS GLY          
SEQRES  21 A  306  TYR LYS SER SER GLU MET LEU TYR ASN TRP VAL ALA LYS          
SEQRES  22 A  306  ASP VAL GLU PRO PRO LYS PHE THR GLU VAL THR ASP VAL          
SEQRES  23 A  306  VAL LEU ILE THR ARG ASP ASN PHE LYS GLU GLU LEU GLU          
SEQRES  24 A  306  LYS LYS GLY LEU GLY GLY LYS                                  
HET    ARA  A 307      10                                                       
HET    ARB  A 308      10                                                       
HETNAM     ARA ALPHA-L-ARABINOPYRANOSE                                          
HETNAM     ARB BETA-L-ARABINOPYRANOSE                                           
HETSYN     ARA ALPHA-L-ARABINOSE; L-ARABINOSE; ARABINOSE                        
HETSYN     ARB BETA-L-ARABINOSE; L-ARABINOSE; ARABINOSE                         
FORMUL   2  ARA    C5 H10 O5                                                    
FORMUL   3  ARB    C5 H10 O5                                                    
FORMUL   4  HOH   *205(H2 O)                                                    
HELIX    1 H01 TRP A   16  ASP A   30  1                                  15    
HELIX    2 H02 ASP A   42  GLY A   57  1                                  16    
HELIX    3 H03 LEU A   70  TYR A   81  1                                  12    
HELIX    4 H04 ALA A  109  GLY A  129  1                                  21    
HELIX    5 H05 ASP A  146  ALA A  161  1                                  16    
HELIX    6 H06 ASN A  177  GLN A  192  1                                  16    
HELIX    7 H07 ASP A  206  GLY A  218  1                                  13    
HELIX    8 H08 GLY A  233  SER A  241  1HAS SEGMENTS OF 3/10 HELIX         9    
HELIX    9 H09 ASP A  257  LYS A  273  1                                  17    
HELIX   10 H10 ASN A  293  LYS A  301  1HAS SEGMENTS OF 3/10 HELIX         9    
SHEET    1  S1 6 GLU A  34  ALA A  39  0                                        
SHEET    2  S1 6 LYS A   4  LYS A  10  1  N  VAL A   9   O  ILE A  38           
SHEET    3  S1 6 LYS A  59  CYS A  64  1  N  GLY A  60   O  LYS A   4           
SHEET    4  S1 6 LYS A  84  ASP A  89  1  N  ILE A  86   O  PHE A  61           
SHEET    5  S1 6 PRO A 104  ALA A 109  1  O  PRO A 104   N  ALA A  87           
SHEET    6  S1 6 THR A 281  VAL A 283  1  N  VAL A 283   O  MET A 107           
SHEET    1  S2 6 TYR A 170  VAL A 172  0                                        
SHEET    2  S2 6 ALA A 136  THR A 141  1  N  ALA A 139   O  TYR A 170           
SHEET    3  S2 6 TRP A 199  MET A 204  1  N  LEU A 200   O  ALA A 136           
SHEET    4  S2 6 ASP A 225  ASN A 232  1  N  ILE A 227   O  TRP A 199           
SHEET    5  S2 6 GLY A 247  LEU A 253  1  N  GLY A 250   O  GLY A 228           
SHEET    6  S2 6 VAL A 287  ARG A 291 -1  N  ILE A 289   O  SER A 251           
CRYST1   55.540   72.120   78.020  90.00  90.00  90.00 P 21 21 21    4          
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      0.018005  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013866  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012817        0.00000