HEADER    HYDROLASE                               29-JUN-01   1H6X              
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;                                                            
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 1H6X    1       REMARK LINK                              
REVDAT   3   16-NOV-11 1H6X    1       TITLE  REMARK DBREF  SEQADV              
REVDAT   3 2                   1       FORMUL VERSN                             
REVDAT   2   24-FEB-09 1H6X    1       VERSN                                    
REVDAT   1   27-JUN-02 1H6X    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.    2.25 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) : 2.25                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 3.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 8438                           
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) : 0.214                           
REMARK   3   FREE R VALUE                     : 0.260                           
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            : 1235                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 109                                     
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 1H6X 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_1290008236.                                   
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                             : 7.00                               
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                  : G2(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   : 8438                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.250                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.0                               
REMARK 200  DATA REDUNDANCY                : 7.210                              
REMARK 200  R MERGE                    (I) : 0.06200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 29.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.33                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.35                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.36700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.830                              
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   (%): 40.07                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.7 M AMMONIUM SULPHATE, PH 7.00         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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      103.76500            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       19.34000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       19.34000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      155.64750            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       19.34000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       19.34000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       51.88250            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       19.34000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       19.34000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      155.64750            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       19.34000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       19.34000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       51.88250            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000      103.76500            
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 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 CHAIN A ENGINEERED MUTATION ARG581ALA                                
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     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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  2088     O    HOH A  2088     7555     0.71            
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  13   CB  -  CG  -  OD2 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    ASP A 104   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 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 141       47.70   -151.94                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 A1162  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR A  14   O                                                      
REMARK 620 2 GLU A  16   OE2  92.0                                              
REMARK 620 3 LYS A  39   O   156.8  74.2                                        
REMARK 620 4 GLU A  42   O    94.1  79.0 101.3                                  
REMARK 620 5 ASP A 149   OD1  77.6 169.6 115.8 101.1                            
REMARK 620 6 ASP A 149   OD2 124.8 140.3  74.7  83.6  49.5                      
REMARK 620 7 HOH A2033   O    84.3  96.9  79.1 175.5  82.6 100.8                
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 1162                 
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: 1H6Y   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  1H6X A    2   162  UNP    P51584   XYNY_CLOTM     560    720             
SEQADV 1H6X MET A    1  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6X ALA A   25  UNP  P51584    ARG   583 ENGINEERED MUTATION            
SEQADV 1H6X LEU A  163  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6X GLU A  164  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6X HIS A  165  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6X HIS A  166  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6X HIS A  167  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6X HIS A  168  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6X HIS A  169  UNP  P51584              EXPRESSION TAG                 
SEQADV 1H6X HIS A  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 ALA 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 GLU 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                                                          
HET     CA  A1162       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   2   CA    CA 2+                                                        
FORMUL   3  HOH   *109(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 TRP A  22  ALA A  25  0                                        
SHEET    2  AC 5 GLY A  55  ALA A  59 -1  O  GLY A  55   N  ALA 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  GLU A 138           
SHEET    5  AC 5 GLN A 101  VAL A 111 -1  O  ARG A 102   N  TYR A  94           
LINK         O   THR A  14                CA    CA A1162     1555   1555  2.33  
LINK         OE2 GLU A  16                CA    CA A1162     1555   1555  2.55  
LINK         O   LYS A  39                CA    CA A1162     1555   1555  2.46  
LINK         O   GLU A  42                CA    CA A1162     1555   1555  2.27  
LINK         OD1 ASP A 149                CA    CA A1162     1555   1555  2.47  
LINK         OD2 ASP A 149                CA    CA A1162     1555   1555  2.67  
LINK        CA    CA A1162                 O   HOH A2033     1555   1555  2.31  
SITE     1 AC1  6 THR A  14  GLU A  16  LYS A  39  GLU A  42                    
SITE     2 AC1  6 ASP A 149  HOH A2033                                          
CRYST1   38.680   38.680  207.530  90.00  90.00  90.00 P 43 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      0.025853  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.025853  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004818        0.00000