HEADER    HYDROLASE                               19-AUG-99   1CT7              
OBSLTE     20-OCT-00 1CT7      1E8R                                             
TITLE     SOLUTION STRUCTURE OF TYPE X CBD                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ENDO-1,4-BETA-XYLANASE;                                    
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: TYPE X CELLULOSE BINDING DOMAIN (CBDX);                    
COMPND   5 EC: 3.2.1.8;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PSEUDOMONAS FLUORESCENS, SUBSP.                 
SOURCE   3 CELLULOSA;                                                           
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_COMMON: BACTERIA;                                  
SOURCE   6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: BL21                                      
KEYWDS    BETA STRANDS, ANTIPARALLEL SHEETS                                     
EXPDTA    NMR, 5 STRUCTURES                                                     
AUTHOR    S.RAGHOTHAMA,P.J.SIMPSON,H.J.GILBERT,M.P.WILLIAMSON                   
REVDAT   2   09-OCT-00 1CT7    1       OBSLTE                                   
REVDAT   1   09-FEB-00 1CT7    0                                                
JRNL        AUTH   S.RAGHOTHAMA,P.J.SIMPSON,L.SZABO,T.NAGY,                     
JRNL        AUTH 2 H.J.GILBERT,M.P.WILLIAMSON                                   
JRNL        TITL   SOLUTION STRUCTURE OF THE CBM10 CELLULOSE BINDING            
JRNL        TITL 2 MODULE FROM PSEUDOMONAS XYLANASE A                           
JRNL        REF    BIOCHEMISTRY                  V.  39   978 2000              
JRNL        REFN   ASTM BICHAW  US ISSN 0006-2960                               
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : NULL                                                 
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON 682           
REMARK   3  DISTANCE RESTRAINTS WHICH INCLUDE 18 PAIRS OF H-BOND                
REMARK   3  RESTRAINTS AND 16 AMBIGUOUS NOE RESTRAINTS. IN ADDITION 69          
REMARK   3  DIHEDRAL RESTRAINTS MADE UP OF 39 PHI AND 30 CHI1 WERE USED.        
REMARK   4                                                                      
REMARK   4 1CT7 COMPLIES WITH FORMAT V. 3.0, 1-DEC-2006                         
REMARK   4                                                                      
REMARK   4 THIS IS THE REMEDIATED VERSION OF THIS PDB ENTRY.                    
REMARK   4 REMEDIATED DATA FILE REVISION 3.100 (2007-03-19)                     
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB.                               
REMARK 100 THE RCSB ID CODE IS RCSB009535.                                      
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 323                                
REMARK 210  PH                             : 4.5                                
REMARK 210  IONIC STRENGTH                 : 100MM NACL                         
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 1MM CBDX; 50MM SODIUM              
REMARK 210                                   PHOSPHATE BUFFER; 100MM SODIUM     
REMARK 210                                   CHLORIDE                           
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D NOESY, DQF-COSY, E-COSY         
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ, 600 MHZ                   
REMARK 210  SPECTROMETER MODEL             : DRX                                
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : FELIX 97.0, X-PLOR 3.1             
REMARK 210   METHOD USED                   : DISTANCE GEOMETRY, SIMULATED       
REMARK 210                                   ANNEALING                          
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 50                                 
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 5                                  
REMARK 210 CONFORMERS, SELECTION CRITERIA  : 5 STRUCTURES CHOSEN AT RANDOM      
REMARK 210                                   FROM THE 21 LOWEST ENERGY          
REMARK 210                                   STRUCTURES                         
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL                
REMARK 210                                                                      
REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING STANDARD 2D               
REMARK 210  HOMONUCLEAR TECHNIQUES.                                             
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
DBREF  1CT7 A   20    69  PIR    S06047   S06047         179    228             
SEQADV 1CT7 MET A   20  PIR  S06047    SER   179 CLONING ARTIFACT               
SEQRES   1 A   50  MET GLY ASN GLN GLN CYS ASN TRP TYR GLY THR LEU TYR          
SEQRES   2 A   50  PRO LEU CYS VAL THR THR THR ASN GLY TRP GLY TRP GLU          
SEQRES   3 A   50  ASP GLN ARG SER CYS ILE ALA ARG SER THR CYS ALA ALA          
SEQRES   4 A   50  GLN PRO ALA PRO PHE GLY ILE VAL GLY SER GLY                  
HELIX    1   1 ARG A   53  ALA A   57  1                                   5    
SHEET    1   A 4 GLN A  24  ASN A  26  0                                        
SHEET    2   A 4 LEU A  31  CYS A  35 -1  O  TYR A  32   N  CYS A  25           
SHEET    3   A 4 ARG A  48  ALA A  52  1  N  ILE A  51   O  PRO A  33           
SHEET    4   A 4 TRP A  42  GLU A  45 -1  N  GLY A  43   O  CYS A  50           
SSBOND   1 CYS A   25    CYS A   56                                             
SSBOND   2 CYS A   35    CYS A   50                                             
CISPEP   1 ALA A   61    PRO A   62          1        -0.02                     
CISPEP   2 ALA A   61    PRO A   62          2         0.18                     
CISPEP   3 ALA A   61    PRO A   62          3         0.29                     
CISPEP   4 ALA A   61    PRO A   62          4         0.33                     
CISPEP   5 ALA A   61    PRO A   62          5        -0.20                     
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1