HEADER    HYDROLASE                               29-JUN-01   1H6Y              
TITLE     THE ROLE OF CONSERVED AMINO ACIDS IN THE CLEFT OF THE C-TERMINAL      
TITLE    2 FAMILY 22 CARBOHYDRATE BINDING MODULE OF CLOSTRIDIUM THERMOCELLUM    
TITLE    3 XYN10B IN LIGAND BINDING                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ENDO-1,4-BETA-XYLANASE Y;                                  
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: XYLAN BINDING DOMAIN RESIDUE 560-720;                      
COMPND   5 SYNONYM: CBM22-2,XYLANASE Y, XYLY, 1,4-BETA-D-XYLAN XYLANOHYDROLASE  
COMPND   6 Y;                                                                   
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM THERMOCELLUM;                       
SOURCE   3 ORGANISM_TAXID: 1515;                                                
SOURCE   4 STRAIN: YS;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET21A                                    
KEYWDS    XYLAN DEGRADATION, HYDROLASE, GLYCOSIDASE                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.XIE,D.N.BOLAM,S.J.CHARNOCK,G.J.DAVIES,M.P.WILLIAMSON,P.J.SIMPSON,   
AUTHOR   2 C.M.G.A.FONTES,L.M.A.FERREIRA,H.J.GILBERT                            
REVDAT   4   13-DEC-23 1H6Y    1       REMARK LINK                              
REVDAT   3   16-NOV-11 1H6Y    1       TITLE  REMARK DBREF  SEQADV              
REVDAT   3 2                   1       FORMUL VERSN                             
REVDAT   2   24-FEB-09 1H6Y    1       VERSN                                    
REVDAT   1   27-JUN-02 1H6Y    0                                                
JRNL        AUTH   H.XIE,H.J.GILBERT,S.J.CHARNOCK,G.J.DAVIES,M.P.WILLIAMSON,    
JRNL        AUTH 2 P.J.SIMPSON,S.RAGHOTHAMA,C.M.G.A.FONTES,F.M.DIAS,            
JRNL        AUTH 3 L.M.A.FERREIRA,D.N.BOLAM                                     
JRNL        TITL   CLOSTRIDIUM THERMOCELLUM XYN10B CARBOHYDRATE-BINDING MODULE  
JRNL        TITL 2 22-2: THE ROLE OF CONSERVED AMINO ACIDS IN LIGAND BINDING    
JRNL        REF    BIOCHEMISTRY                  V.  40  9167 2001              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   11478884                                                     
JRNL        DOI    10.1021/BI0106742                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.J.CHARNOCK,D.N.BOLAM,J.P.TURKENBURG,H.J.GILBERT,           
REMARK   1  AUTH 2 L.M.A.FERREIRA,G.J.DAVIES,C.M.G.A.FONTES                     
REMARK   1  TITL   THE X6 "THERMOSTABILIZING" DOMAINS OF XYLANASES ARE          
REMARK   1  TITL 2 CARBOHYDRATE-BINDING MODULES:STRUCTURE AND BIOCHEMISTRY OF   
REMARK   1  TITL 3 THE CLOSTRIDIUM THERMOCELLUM X6B DOMAIN                      
REMARK   1  REF    BIOCHEMISTRY                  V.  39  5013 2000              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1  PMID   10819965                                                     
REMARK   1  DOI    10.1021/BI992821Q                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 3.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 26510                          
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) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.194                           
REMARK   3   FREE R VALUE                     : 0.228                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2438                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 296                                     
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; 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 1H6Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 29-JUN-01.                  
REMARK 100 THE DEPOSITION ID IS D_1290008237.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUL-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 4.60                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.934                              
REMARK 200  MONOCHROMATOR                  : GE(220)                            
REMARK 200  OPTICS                         : FOCUSING AND MULTILAYER            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26510                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 28.30                              
REMARK 200  R MERGE                    (I) : 0.06800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 24.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.28                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 25.50                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.35000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.800                              
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 1DYO                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 61.75                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.22                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M NAAC(PH 4.6),10 MM DTT, 25%        
REMARK 280  GLYCEROL,12% PEG8000, PH 4.60                                       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
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   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
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       69.66767            
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      139.33533            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      104.50150            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      174.16917            
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       34.83383            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       69.66767            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000      139.33533            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      174.16917            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      104.50150            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       34.83383            
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 CHAIN A ENGINEERED MUTATION GLU696ALA                                
REMARK 400  CHAIN B ENGINEERED MUTATION GLU696ALA                               
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     MET A     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     GLU A     3                                                      
REMARK 465     GLU A   161                                                      
REMARK 465     GLY A   162                                                      
REMARK 465     LEU A   163                                                      
REMARK 465     GLU A   164                                                      
REMARK 465     HIS A   165                                                      
REMARK 465     HIS A   166                                                      
REMARK 465     HIS A   167                                                      
REMARK 465     HIS A   168                                                      
REMARK 465     HIS A   169                                                      
REMARK 465     HIS A   170                                                      
REMARK 465     MET B     1                                                      
REMARK 465     GLU B     2                                                      
REMARK 465     GLU B     3                                                      
REMARK 465     GLU B   161                                                      
REMARK 465     GLY B   162                                                      
REMARK 465     LEU B   163                                                      
REMARK 465     GLU B   164                                                      
REMARK 465     HIS B   165                                                      
REMARK 465     HIS B   166                                                      
REMARK 465     HIS B   167                                                      
REMARK 465     HIS B   168                                                      
REMARK 465     HIS B   169                                                      
REMARK 465     HIS B   170                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH B  2018     O    HOH B  2018    11656     0.98            
REMARK 500   O    HOH A  2090     O    HOH A  2090    12556     1.97            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A 107   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP B  96   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP B 104   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    PHE A  15       18.61     59.43                                   
REMARK 500    ASP A 141       48.65   -157.93                                   
REMARK 500    PHE B  15       15.05     59.87                                   
REMARK 500    ASP B 141       38.35   -158.42                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH B2025        DISTANCE =  8.05 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A1161  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR A  14   O                                                      
REMARK 620 2 GLU A  16   OE2  82.2                                              
REMARK 620 3 LYS A  39   O   147.4  75.9                                        
REMARK 620 4 GLU A  42   O   101.5  88.2 101.6                                  
REMARK 620 5 ASP A 149   OD1  76.5 158.6 124.1  94.1                            
REMARK 620 6 ASP A 149   OD2 125.4 151.6  81.1  80.2  49.2                      
REMARK 620 7 HOH A2046   O    85.3  91.9  71.9 173.1  88.3  96.6                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B1161  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR B  14   O                                                      
REMARK 620 2 GLU B  16   OE2  88.2                                              
REMARK 620 3 LYS B  39   O   152.3  77.9                                        
REMARK 620 4 GLU B  42   O    96.6  83.8 105.4                                  
REMARK 620 5 ASP B 149   OD1  73.2 160.6 121.3  93.0                            
REMARK 620 6 ASP B 149   OD2 123.3 147.6  76.1  84.9  50.1                      
REMARK 620 7 HOH B2156   O    82.0  92.3  74.9 175.9  90.3  99.2                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1161                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 1161                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1DYO   RELATED DB: PDB                                   
REMARK 900 XYLAN-BINDING DOMAIN FROM CBM 22, FORMALLY X6B DOMAIN                
REMARK 900 RELATED ID: 1H6X   RELATED DB: PDB                                   
REMARK 900 THE ROLE OF CONSERVED AMONI ACIDS IN THE CLEFT OF THE C-TERMINAL     
REMARK 900 FAMILY 22 CARBOHYDRATE BINDING MODULE OF CLOSTRIDIUM THERMOCELLUM    
REMARK 900 XYN10B IN LIGAND BINDING                                             
DBREF  1H6Y A    2   162  UNP    P51584   XYNY_CLOTM     560    720             
DBREF  1H6Y B    2   162  UNP    P51584   XYNY_CLOTM     560    720             
SEQADV 1H6Y MET A    1  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y ALA A  138  UNP  P51584    GLU   696 ENGINEERED MUTATION            
SEQADV 1H6Y LEU A  163  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y GLU A  164  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS A  165  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS A  166  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS A  167  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS A  168  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS A  169  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS A  170  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y MET B    1  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y ALA B  138  UNP  P51584    GLU   696 ENGINEERED MUTATION            
SEQADV 1H6Y LEU B  163  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y GLU B  164  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS B  165  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS B  166  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS B  167  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS B  168  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS B  169  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6Y HIS B  170  UNP  P51584              EXPRESSION TAG                 
SEQRES   1 A  170  MET GLU GLU PRO ASP ALA ASN GLY TYR TYR TYR HIS ASP          
SEQRES   2 A  170  THR PHE GLU GLY SER VAL GLY GLN TRP THR ALA ARG GLY          
SEQRES   3 A  170  PRO ALA GLU VAL LEU LEU SER GLY ARG THR ALA TYR LYS          
SEQRES   4 A  170  GLY SER GLU SER LEU LEU VAL ARG ASN ARG THR ALA ALA          
SEQRES   5 A  170  TRP ASN GLY ALA GLN ARG ALA LEU ASN PRO ARG THR PHE          
SEQRES   6 A  170  VAL PRO GLY ASN THR TYR CYS PHE SER VAL VAL ALA SER          
SEQRES   7 A  170  PHE ILE GLU GLY ALA SER SER THR THR PHE CYS MET LYS          
SEQRES   8 A  170  LEU GLN TYR VAL ASP GLY SER GLY THR GLN ARG TYR ASP          
SEQRES   9 A  170  THR ILE ASP MET LYS THR VAL GLY PRO ASN GLN TRP VAL          
SEQRES  10 A  170  HIS LEU TYR ASN PRO GLN TYR ARG ILE PRO SER ASP ALA          
SEQRES  11 A  170  THR ASP MET TYR VAL TYR VAL ALA THR ALA ASP ASP THR          
SEQRES  12 A  170  ILE ASN PHE TYR ILE ASP GLU ALA ILE GLY ALA VAL ALA          
SEQRES  13 A  170  GLY THR VAL ILE GLU GLY LEU GLU HIS HIS HIS HIS HIS          
SEQRES  14 A  170  HIS                                                          
SEQRES   1 B  170  MET GLU GLU PRO ASP ALA ASN GLY TYR TYR TYR HIS ASP          
SEQRES   2 B  170  THR PHE GLU GLY SER VAL GLY GLN TRP THR ALA ARG GLY          
SEQRES   3 B  170  PRO ALA GLU VAL LEU LEU SER GLY ARG THR ALA TYR LYS          
SEQRES   4 B  170  GLY SER GLU SER LEU LEU VAL ARG ASN ARG THR ALA ALA          
SEQRES   5 B  170  TRP ASN GLY ALA GLN ARG ALA LEU ASN PRO ARG THR PHE          
SEQRES   6 B  170  VAL PRO GLY ASN THR TYR CYS PHE SER VAL VAL ALA SER          
SEQRES   7 B  170  PHE ILE GLU GLY ALA SER SER THR THR PHE CYS MET LYS          
SEQRES   8 B  170  LEU GLN TYR VAL ASP GLY SER GLY THR GLN ARG TYR ASP          
SEQRES   9 B  170  THR ILE ASP MET LYS THR VAL GLY PRO ASN GLN TRP VAL          
SEQRES  10 B  170  HIS LEU TYR ASN PRO GLN TYR ARG ILE PRO SER ASP ALA          
SEQRES  11 B  170  THR ASP MET TYR VAL TYR VAL ALA THR ALA ASP ASP THR          
SEQRES  12 B  170  ILE ASN PHE TYR ILE ASP GLU ALA ILE GLY ALA VAL ALA          
SEQRES  13 B  170  GLY THR VAL ILE GLU GLY LEU GLU HIS HIS HIS HIS HIS          
SEQRES  14 B  170  HIS                                                          
HET     CA  A1161       1                                                       
HET     CA  B1161       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   3   CA    2(CA 2+)                                                     
FORMUL   5  HOH   *296(H2 O)                                                    
SHEET    1  AA 4 TYR A   9  ASP A  13  0                                        
SHEET    2  AA 4 PHE A 146  VAL A 155 -1  O  ALA A 151   N  ASP A  13           
SHEET    3  AA 4 SER A  43  ARG A  47 -1  O  LEU A  44   N  ILE A 148           
SHEET    4  AA 4 GLU A  29  SER A  33 -1  O  GLU A  29   N  ARG A  47           
SHEET    1  AB 4 TYR A   9  ASP A  13  0                                        
SHEET    2  AB 4 PHE A 146  VAL A 155 -1  O  ALA A 151   N  ASP A  13           
SHEET    3  AB 4 THR A  70  SER A  78 -1  O  CYS A  72   N  ALA A 154           
SHEET    4  AB 4 VAL A 117  ARG A 125 -1  O  VAL A 117   N  ALA A  77           
SHEET    1  AC 5 THR A  23  ARG A  25  0                                        
SHEET    2  AC 5 GLY A  55  ALA A  59 -1  O  GLY A  55   N  ARG A  25           
SHEET    3  AC 5 THR A 131  THR A 139 -1  O  VAL A 135   N  ARG A  58           
SHEET    4  AC 5 THR A  86  VAL A  95 -1  O  CYS A  89   N  ALA A 138           
SHEET    5  AC 5 GLN A 101  VAL A 111 -1  O  ARG A 102   N  TYR A  94           
SHEET    1  BA 4 TYR B   9  ASP B  13  0                                        
SHEET    2  BA 4 PHE B 146  VAL B 155 -1  O  ALA B 151   N  ASP B  13           
SHEET    3  BA 4 SER B  43  ARG B  47 -1  O  LEU B  44   N  ILE B 148           
SHEET    4  BA 4 GLU B  29  SER B  33 -1  O  GLU B  29   N  ARG B  47           
SHEET    1  BB 4 TYR B   9  ASP B  13  0                                        
SHEET    2  BB 4 PHE B 146  VAL B 155 -1  O  ALA B 151   N  ASP B  13           
SHEET    3  BB 4 THR B  70  SER B  78 -1  O  CYS B  72   N  ALA B 154           
SHEET    4  BB 4 VAL B 117  ARG B 125 -1  O  VAL B 117   N  ALA B  77           
SHEET    1  BC 5 TRP B  22  ARG B  25  0                                        
SHEET    2  BC 5 GLY B  55  ALA B  59 -1  O  GLY B  55   N  ARG B  25           
SHEET    3  BC 5 THR B 131  THR B 139 -1  O  VAL B 135   N  ARG B  58           
SHEET    4  BC 5 THR B  86  VAL B  95 -1  O  CYS B  89   N  ALA B 138           
SHEET    5  BC 5 GLN B 101  VAL B 111 -1  O  ARG B 102   N  TYR B  94           
LINK         O   THR A  14                CA    CA A1161     1555   1555  2.32  
LINK         OE2 GLU A  16                CA    CA A1161     1555   1555  2.34  
LINK         O   LYS A  39                CA    CA A1161     1555   1555  2.34  
LINK         O   GLU A  42                CA    CA A1161     1555   1555  2.34  
LINK         OD1 ASP A 149                CA    CA A1161     1555   1555  2.58  
LINK         OD2 ASP A 149                CA    CA A1161     1555   1555  2.60  
LINK        CA    CA A1161                 O   HOH A2046     1555   1555  2.22  
LINK         O   THR B  14                CA    CA B1161     1555   1555  2.44  
LINK         OE2 GLU B  16                CA    CA B1161     1555   1555  2.35  
LINK         O   LYS B  39                CA    CA B1161     1555   1555  2.49  
LINK         O   GLU B  42                CA    CA B1161     1555   1555  2.25  
LINK         OD1 ASP B 149                CA    CA B1161     1555   1555  2.58  
LINK         OD2 ASP B 149                CA    CA B1161     1555   1555  2.46  
LINK        CA    CA B1161                 O   HOH B2156     1555   1555  2.25  
SITE     1 AC1  6 THR A  14  GLU A  16  LYS A  39  GLU A  42                    
SITE     2 AC1  6 ASP A 149  HOH A2046                                          
SITE     1 AC2  6 THR B  14  GLU B  16  LYS B  39  GLU B  42                    
SITE     2 AC2  6 ASP B 149  HOH B2156                                          
CRYST1   89.869   89.869  209.003  90.00  90.00 120.00 P 61 2 2     24          
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      0.011127  0.006424  0.000000        0.00000                         
SCALE2      0.000000  0.012849  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004785        0.00000