HEADER    HYDROLASE                               10-APR-00   1E0V              
TITLE     XYLANASE 10A FROM SREPTOMYCES LIVIDANS. CELLOBIOSYL-ENZYME            
TITLE    2 INTERMEDIATE AT 1.7 A                                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ENDO-1,4-BETA-XYLANASE A;                                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC MODULE, RESIDUES 42-343;                         
COMPND   5 SYNONYM: XYLANASE A, 1,4-BETA-D-XYLAN XYLANOHYDROLASE A, XYLANASE A; 
COMPND   6 EC: 3.2.1.8;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 OTHER_DETAILS: GLYCOSYL ENXYME INTERMEDIATE. COVALENT LINK BETWEEN   
COMPND   9 GLU 236 AND THE SUBSTRATE                                            
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS;                          
SOURCE   3 ORGANISM_TAXID: 1916;                                                
SOURCE   4 EXPRESSION_SYSTEM: STREPTOMYCES LIVIDANS;                            
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 1916;                                       
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: IAF 19                                     
KEYWDS    XYLANASE, XYLAN DEGRADATION, HYDROLASE, GLYCOSYL-ENZYME INTERMEDIATE  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.DUCROS,S.J.CHARNOCK,U.DEREWENDA,Z.S.DEREWENDA,Z.DAUTER,C.DUPONT,    
AUTHOR   2 F.SHARECK,R.MOROSOLI,D.KLUEPFEL,G.J.DAVIES                           
REVDAT   7   13-NOV-24 1E0V    1       REMARK                                   
REVDAT   6   01-MAY-24 1E0V    1       HETSYN                                   
REVDAT   5   29-JUL-20 1E0V    1       COMPND REMARK HET    HETNAM              
REVDAT   5 2                   1       FORMUL LINK   SITE   ATOM                
REVDAT   4   05-FEB-14 1E0V    1       HEADER COMPND KEYWDS AUTHOR              
REVDAT   4 2                   1       JRNL   REMARK VERSN  HETSYN              
REVDAT   4 3                   1       FORMUL MASTER                            
REVDAT   3   24-FEB-09 1E0V    1       VERSN                                    
REVDAT   2   25-MAY-01 1E0V    1       JRNL                                     
REVDAT   1   05-APR-01 1E0V    0                                                
JRNL        AUTH   V.DUCROS,S.J.CHARNOCK,U.DEREWENDA,Z.S.DEREWENDA,Z.DAUTER,    
JRNL        AUTH 2 C.DUPONT,F.SHARECK,R.MOROSOLI,D.KLUEPFEL,G.J.DAVIES          
JRNL        TITL   SUBSTRATE SPECIFICITY IN GLYCOSIDE HYDROLASE FAMILY 10.      
JRNL        TITL 2 STRUCTURAL AND KINETIC ANALYSIS OF THE STREPTOMYCES LIVIDANS 
JRNL        TITL 3 XYLANASE 10A                                                 
JRNL        REF    J.BIOL.CHEM.                  V. 275 23020 2000              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   10930426                                                     
JRNL        DOI    10.1074/JBC.M000129200                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.R.ANDREWS,S.J.CHARNOCK,J.H.LAKEY,G.J.DAVIES,M.CLAEYSSENS,  
REMARK   1  AUTH 2 W.NERINCKX,M.UNDERWOOD,M.L.SINNOTT,R.A.WARREN,H.J.GILBERT    
REMARK   1  TITL   SUBSTRATE SPECIFICITY IN GLYCOSIDE HYDROLASE FAMILY 10.      
REMARK   1  TITL 2 TYROSINE 87 AND LEUCINE 314 PLAY A PIVOTAL ROLE IN           
REMARK   1  TITL 3 DISCRIMINATING BETWEEN GLUCOSE AND XYLOSE BINDING IN THE     
REMARK   1  TITL 4 PROXIMAL ACTIVE SITE OF PSEUDOMONAS CELLULOSA XYLANASE 10A.  
REMARK   1  REF    J.BIOL.CHEM.                  V. 275 23027 2000              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1  PMID   10767281                                                     
REMARK   1  DOI    10.1074/JBC.M000128200                                       
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   U.DEREWENDA,L.SWENSON,R.GREEN,Y.WEI,R.MOROSOLI,F.SHARECK,    
REMARK   1  AUTH 2 D.KLUEPFEL,Z.S.DEREWENDA                                     
REMARK   1  TITL   CRYSTAL STRUCTURE, AT 2.6 A RESOLUTION, OF THE STREPTOMYCES  
REMARK   1  TITL 2 LIVIDANS XYLANASE A, A MEMBER OF THE F FAMILY OF             
REMARK   1  TITL 3 B-1,4-D-GLYCANASES                                           
REMARK   1  REF    J.BIOL.CHEM.                  V. 269 20811 1994              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1  PMID   8063693                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 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) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 28774                          
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) : 0.158                           
REMARK   3   FREE R VALUE                     : 0.199                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1538                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2314                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 22                                      
REMARK   3   SOLVENT ATOMS            : 505                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 17.50                          
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) : 0.007 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.022 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.022 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.018 ; 0.030               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.093 ; 0.150               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.160 ; 0.300               
REMARK   3    MULTIPLE TORSION                (A) : 0.240 ; 0.300               
REMARK   3    H-BOND (X...Y)                  (A) : 0.150 ; 0.300               
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) : 3.200 ; 7.000               
REMARK   3    STAGGERED                 (DEGREES) : 12.400; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 26.300; 20.000              
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.059 ; 3.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.749 ; 5.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.220 ; 4.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.021 ; 6.000                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: DOUBLY CONFIGURATED DISULPHIDE BOND       
REMARK   3  BETWEEN CYS168 AND CYS201 THE SIDE CHAIN OF GLN 88, TRP 274 AND     
REMARK   3  ARG 275 ARE MISSING SINCE THEY ARE TOO DISORDERED TO BE BUILT       
REMARK   3  INTO DENSITY                                                        
REMARK   4                                                                      
REMARK   4 1E0V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-APR-00.                  
REMARK 100 THE DEPOSITION ID IS D_1290004841.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-SEP-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
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   : 29439                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY                : 4.300                              
REMARK 200  R MERGE                    (I) : 0.03200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 36.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.76                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.12100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 9.400                              
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: NATIVE STRUCTURE AT 1.2                              
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.30                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLISED WITH 16 % PEG   
REMARK 280  4000 AS PRECIPITANT,100MM HEPES PH 7.5 AS BUFFER, 10%               
REMARK 280  ISOPROPANOL, CRYSTAL WERE SOAKED IN PRESENCE OF POWDERED SUBSTR,    
REMARK 280  PH 7.50                                                             
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       33.93500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       43.53500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       23.13500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       43.53500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       33.93500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       23.13500            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     GLY A   303                                                      
REMARK 465     ALA A   304                                                      
REMARK 465     SER A   305                                                      
REMARK 465     SER A   306                                                      
REMARK 465     GLU A   307                                                      
REMARK 465     PRO A   308                                                      
REMARK 465     PRO A   309                                                      
REMARK 465     ALA A   310                                                      
REMARK 465     ASP A   311                                                      
REMARK 465     GLY A   312                                                      
REMARK 465     GLY A   313                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLN A  88    CG   CD   OE1  NE2                                  
REMARK 470     TRP A 274    CG   CD1  CD2  NE1  CE2  CE3  CZ2                   
REMARK 470     TRP A 274    CZ3  CH2                                            
REMARK 470     ARG A 275    CG   CD   NE   CZ   NH1  NH2                        
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    ARG A  79   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    CYS A 168   CA  -  CB  -  SG  ANGL. DEV. =   9.1 DEGREES          
REMARK 500    CYS A 201   CA  -  CB  -  SG  ANGL. DEV. =  18.4 DEGREES          
REMARK 500    GLU A 236   OE1 -  CD  -  OE2 ANGL. DEV. = -10.4 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    VAL A 268      -72.38    -99.22                                   
REMARK 500    ARG A 275       34.92    -99.84                                   
REMARK 500    THR A 279       70.42     32.59                                   
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 A2012        DISTANCE =  6.86 ANGSTROMS                       
REMARK 525    HOH A2064        DISTANCE =  5.95 ANGSTROMS                       
REMARK 525    HOH A2080        DISTANCE =  5.98 ANGSTROMS                       
REMARK 525    HOH A2196        DISTANCE =  6.14 ANGSTROMS                       
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1XAS   RELATED DB: PDB                                   
REMARK 900 XYLANASE A                                                           
REMARK 900 RELATED ID: 1E0W   RELATED DB: PDB                                   
REMARK 900 XYLANASE 10A FROM SREPTOMYCES LIVIDANS. NATIVE STRUCTURE AT 1.2      
REMARK 900 ANGSTROM RESOLUTION                                                  
REMARK 900 RELATED ID: 1E0X   RELATED DB: PDB                                   
REMARK 900 XYLANASE 10A FROM SREPTOMYCES LIVIDANS. XYLOBIOSYL-ENZYME            
REMARK 900 INTERMEDIATE AT 1.65 A                                               
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE FIRST 41 RESIDUES IN THE DATABASE CORRESPOND                     
REMARK 999 TO THE SIGNAL PEPTIDE. THE NUMBERING USED IN THE PDB FILE            
REMARK 999 IF AFTER CLEAVAGE OF THE SIGNAL PEPTIDE.                             
REMARK 999 THE LAST 10 RESIDUES ARE INVISIBLE IN DENSITY.                       
DBREF  1E0V A    1   302  UNP    P26514   XYNA_STRLI      42    343             
SEQRES   1 A  313  ALA GLU SER THR LEU GLY ALA ALA ALA ALA GLN SER GLY          
SEQRES   2 A  313  ARG TYR PHE GLY THR ALA ILE ALA SER GLY ARG LEU SER          
SEQRES   3 A  313  ASP SER THR TYR THR SER ILE ALA GLY ARG GLU PHE ASN          
SEQRES   4 A  313  MET VAL THR ALA GLU ASN GLU MET LYS ILE ASP ALA THR          
SEQRES   5 A  313  GLU PRO GLN ARG GLY GLN PHE ASN PHE SER SER ALA ASP          
SEQRES   6 A  313  ARG VAL TYR ASN TRP ALA VAL GLN ASN GLY LYS GLN VAL          
SEQRES   7 A  313  ARG GLY HIS THR LEU ALA TRP HIS SER GLN GLN PRO GLY          
SEQRES   8 A  313  TRP MET GLN SER LEU SER GLY SER ALA LEU ARG GLN ALA          
SEQRES   9 A  313  MET ILE ASP HIS ILE ASN GLY VAL MET ALA HIS TYR LYS          
SEQRES  10 A  313  GLY LYS ILE VAL GLN TRP ASP VAL VAL ASN GLU ALA PHE          
SEQRES  11 A  313  ALA ASP GLY SER SER GLY ALA ARG ARG ASP SER ASN LEU          
SEQRES  12 A  313  GLN ARG SER GLY ASN ASP TRP ILE GLU VAL ALA PHE ARG          
SEQRES  13 A  313  THR ALA ARG ALA ALA ASP PRO SER ALA LYS LEU CYS TYR          
SEQRES  14 A  313  ASN ASP TYR ASN VAL GLU ASN TRP THR TRP ALA LYS THR          
SEQRES  15 A  313  GLN ALA MET TYR ASN MET VAL ARG ASP PHE LYS GLN ARG          
SEQRES  16 A  313  GLY VAL PRO ILE ASP CYS VAL GLY PHE GLN SER HIS PHE          
SEQRES  17 A  313  ASN SER GLY SER PRO TYR ASN SER ASN PHE ARG THR THR          
SEQRES  18 A  313  LEU GLN ASN PHE ALA ALA LEU GLY VAL ASP VAL ALA ILE          
SEQRES  19 A  313  THR GLU LEU ASP ILE GLN GLY ALA PRO ALA SER THR TYR          
SEQRES  20 A  313  ALA ASN VAL THR ASN ASP CYS LEU ALA VAL SER ARG CYS          
SEQRES  21 A  313  LEU GLY ILE THR VAL TRP GLY VAL ARG ASP SER ASP SER          
SEQRES  22 A  313  TRP ARG SER GLU GLN THR PRO LEU LEU PHE ASN ASN ASP          
SEQRES  23 A  313  GLY SER LYS LYS ALA ALA TYR THR ALA VAL LEU ASP ALA          
SEQRES  24 A  313  LEU ASN GLY GLY ALA SER SER GLU PRO PRO ALA ASP GLY          
SEQRES  25 A  313  GLY                                                          
HET    G2F  B   1      11                                                       
HET    BGC  B   2      11                                                       
HETNAM     G2F 2-DEOXY-2-FLUORO-ALPHA-D-GLUCOPYRANOSE                           
HETNAM     BGC BETA-D-GLUCOPYRANOSE                                             
HETSYN     G2F 2-DEOXY-2-FLUORO-ALPHA-D-GLUCOSE; 2-DEOXY-2-FLUORO-D-            
HETSYN   2 G2F  GLUCOSE; 2-DEOXY-2-FLUORO-GLUCOSE                               
HETSYN     BGC BETA-D-GLUCOSE; D-GLUCOSE; GLUCOSE                               
FORMUL   2  G2F    C6 H11 F O5                                                  
FORMUL   2  BGC    C6 H12 O6                                                    
FORMUL   3  HOH   *505(H2 O)                                                    
HELIX    1   1 THR A    4  GLN A   11  1                                   8    
HELIX    2   2 ALA A   21  LEU A   25  5                                   5    
HELIX    3   3 ASP A   27  PHE A   38  1                                  12    
HELIX    4   4 LYS A   48  GLU A   53  1                                   6    
HELIX    5   5 PHE A   61  ASN A   74  1                                  14    
HELIX    6   6 PRO A   90  SER A   95  1                                   6    
HELIX    7   7 SER A   97  TYR A  116  1                                  20    
HELIX    8   8 SER A  141  SER A  146  1                                   6    
HELIX    9   9 ASP A  149  ASP A  162  1                                  14    
HELIX   10  10 TRP A  179  GLY A  196  1                                  18    
HELIX   11  11 ASN A  217  ALA A  227  1                                  11    
HELIX   12  12 PRO A  243  ALA A  256  1                                  14    
HELIX   13  13 ASP A  270  SER A  273  5                                   4    
HELIX   14  14 ARG A  275  THR A  279  5                                   5    
HELIX   15  15 LYS A  290  GLY A  302  1                                  13    
SHEET    1   A 4 GLY A 262  VAL A 265  0                                        
SHEET    2   A 4 TYR A  15  ILE A  20  1  N  TYR A  15   O  ILE A 263           
SHEET    3   A 4 MET A  40  ALA A  43  1  N  MET A  40   O  THR A  18           
SHEET    4   A 4 GLN A  77  ARG A  79  1  N  GLN A  77   O  VAL A  41           
SHEET    1   B 4 ASP A 231  ILE A 234  0                                        
SHEET    2   B 4 CYS A 201  PHE A 204  1  N  VAL A 202   O  ASP A 231           
SHEET    3   B 4 LYS A 166  ASP A 171  1  N  TYR A 169   O  CYS A 201           
SHEET    4   B 4 GLN A 122  ASN A 127  1  N  TRP A 123   O  LYS A 166           
SSBOND   1 CYS A  168    CYS A  201                          1555   1555  2.02  
SSBOND   2 CYS A  254    CYS A  260                          1555   1555  2.03  
LINK         OE1 GLU A 236                 C1  G2F B   1     1555   1555  1.51  
LINK         O4  G2F B   1                 C1  BGC B   2     1555   1555  1.42  
CISPEP   1 HIS A   81    THR A   82          0        -0.54                     
CRYST1   67.870   46.270   87.070  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      0.014734  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.021612  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011485        0.00000