HEADER    HYDROLASE                               05-OCT-01   1K42              
TITLE     THE SOLUTION STRUCTURE OF THE CBM4-2 CARBOHYDRATE BINDING MODULE FROM 
TITLE    2 A THERMOSTABLE RHODOTHERMUS MARINUS XYLANASE.                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: XYLANASE;                                                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: SECOND FAMILY 4 CARBOHYDRATE BINDING MODULE (CBM4-2)       
COMPND   5 (RESIDUES 211-373);                                                  
COMPND   6 EC: 3.2.1.8;                                                         
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RHODOTHERMUS MARINUS;                           
SOURCE   3 ORGANISM_TAXID: 29549;                                               
SOURCE   4 GENE: XYN10A;                                                        
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET-25B(+)                                
KEYWDS    BETA-SANDWICH FORMED BY 11 STRANDS. BINDING-SITE CLEFT. SOLVENT       
KEYWDS   2 EXPOSED AROMATICS (TRP69, PHE110) IN BINDING CLEFT. TWO HELICAL      
KEYWDS   3 TWISTS. TWO CALCIUM BINDING SITES., HYDROLASE                        
EXPDTA    SOLUTION NMR                                                          
NUMMDL    12                                                                    
AUTHOR    P.J.SIMPSON,S.J.JAMIESON,M.ABOU-HACHEM,E.NORDBERG-KARLSSON,           
AUTHOR   2 H.J.GILBERT,O.HOLST,M.P.WILLIAMSON                                   
REVDAT   5   22-MAY-24 1K42    1       REMARK                                   
REVDAT   4   23-FEB-22 1K42    1       REMARK SEQADV                            
REVDAT   3   24-FEB-09 1K42    1       VERSN                                    
REVDAT   2   01-APR-03 1K42    1       JRNL                                     
REVDAT   1   29-MAY-02 1K42    0                                                
JRNL        AUTH   P.J.SIMPSON,S.J.JAMIESON,M.ABOU-HACHEM,E.N.KARLSSON,         
JRNL        AUTH 2 H.J.GILBERT,O.HOLST,M.P.WILLIAMSON                           
JRNL        TITL   THE SOLUTION STRUCTURE OF THE CBM4-2 CARBOHYDRATE BINDING    
JRNL        TITL 2 MODULE FROM A THERMOSTABLE RHODOTHERMUS MARINUS XYLANASE.    
JRNL        REF    BIOCHEMISTRY                  V.  41  5712 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   11980475                                                     
JRNL        DOI    10.1021/BI012093I                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : FELIX 2000, X-PLOR 3.1                               
REMARK   3   AUTHORS     : MOLECULAR SIMULATIONS INC. (FELIX), AXEL T.          
REMARK   3                 BRUNGER (X-PLOR)                                     
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE FINAL SET OF RESTRAINTS CONTAINED     
REMARK   3  1654 NON-REDUNDANT UNAMBIGUOUS NOES AND 17 AMBIGUOUS NOES, 93       
REMARK   3  DIHEDRAL ANGLE RESTRAINTS, 72 CHI1 AND 1 CHI2 RESTRAINT, AND 65     
REMARK   3  PAIRS OF HYDROGEN BOND RESTRAINTS, PLUS 177 BACKBONE DIHEDRAL       
REMARK   3  RESTRAINTS BASED ON 13C SHIFTS FROM TALOS.                          
REMARK   4                                                                      
REMARK   4 1K42 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-OCT-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000014534.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 310                                
REMARK 210  PH                             : 6.0                                
REMARK 210  IONIC STRENGTH                 : 0.2 M                              
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 1.5 MM CBM4-2 15N-LABELLED, AND    
REMARK 210                                   13C,15N DOUBLE LABELLED PROTEIN;   
REMARK 210                                   50 MM CACL2, 50 MM SODIUM          
REMARK 210                                   ACETATE-D3, PH 6.0, 10% D2O, 10    
REMARK 210                                   MM SODIUM AZIDE, 0.1 MM SODIUM     
REMARK 210                                   TRIMETHYLSILYLPROPIONATE (TSP)     
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D_13C-SEPARATED_NOESY; 3D_15N     
REMARK 210                                   -SEPARATED_NOESY; HNHA             
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                 : X-PLOR 3.1                         
REMARK 210   METHOD USED                   : HYBRID DISTANCE                    
REMARK 210                                   GEOMETRY/SIMULATED ANNEALING       
REMARK 210                                   USING XPLOR                        
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 50                                 
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 12                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH ACCEPTABLE         
REMARK 210                                   COVALENT GEOMETRY,STRUCTURES       
REMARK 210                                   WITH THE LEAST RESTRAINT           
REMARK 210                                   VIOLATIONS,STRUCTURES WITH THE     
REMARK 210                                   LOWEST ENERGY                      
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL                
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
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.                                       
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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  1 LEU A   2      101.30    -57.09                                   
REMARK 500  1 ALA A  15      155.51    -40.02                                   
REMARK 500  1 VAL A  36       87.86    -64.64                                   
REMARK 500  1 ASN A  54       37.77   -160.02                                   
REMARK 500  1 ASN A  62       56.41   -149.51                                   
REMARK 500  1 PRO A  68       38.88    -79.52                                   
REMARK 500  1 TRP A  69       50.05   -162.58                                   
REMARK 500  1 ARG A  93      119.12   -164.40                                   
REMARK 500  1 ARG A 115      119.46   -178.78                                   
REMARK 500  1 GLU A 118       66.32     79.42                                   
REMARK 500  1 GLU A 124     -168.78   -106.65                                   
REMARK 500  1 PHE A 130     -172.69   -173.22                                   
REMARK 500  1 ASP A 136      -91.74   -102.91                                   
REMARK 500  1 GLN A 137       50.59   -162.27                                   
REMARK 500  1 ASP A 160      136.41   -173.89                                   
REMARK 500  1 LEU A 162       94.04    -60.01                                   
REMARK 500  2 VAL A   3     -169.71     43.85                                   
REMARK 500  2 ALA A  15      165.48    -42.05                                   
REMARK 500  2 VAL A  36       94.53    -46.18                                   
REMARK 500  2 ASN A  54       22.85   -152.74                                   
REMARK 500  2 ASN A  62       58.55   -154.40                                   
REMARK 500  2 PHE A  76      162.86    179.53                                   
REMARK 500  2 ARG A  93      118.49   -164.14                                   
REMARK 500  2 GLN A 108        3.81    -68.34                                   
REMARK 500  2 TYR A 113      -70.74    -96.17                                   
REMARK 500  2 GLU A 118       58.56     77.28                                   
REMARK 500  2 GLU A 124     -168.87   -108.42                                   
REMARK 500  2 PHE A 130     -177.64   -171.89                                   
REMARK 500  2 ASP A 136      -90.87   -106.74                                   
REMARK 500  2 GLN A 137       53.97   -163.98                                   
REMARK 500  2 ASP A 160      136.34   -173.80                                   
REMARK 500  3 ALA A  15      163.53    -41.59                                   
REMARK 500  3 VAL A  36       89.46    -67.68                                   
REMARK 500  3 PRO A  40     -165.74    -77.46                                   
REMARK 500  3 ALA A  50      155.18    -44.31                                   
REMARK 500  3 ASN A  54       35.64   -156.63                                   
REMARK 500  3 ASN A  62       60.34   -160.11                                   
REMARK 500  3 PHE A  76      160.44    179.44                                   
REMARK 500  3 TYR A 113      -69.88   -102.78                                   
REMARK 500  3 ARG A 115      109.65   -164.42                                   
REMARK 500  3 GLU A 118       68.74     79.33                                   
REMARK 500  3 GLU A 124     -169.00   -107.67                                   
REMARK 500  3 PHE A 130     -172.61   -173.41                                   
REMARK 500  3 GLN A 137       27.28     86.97                                   
REMARK 500  3 ASP A 160      136.01   -173.82                                   
REMARK 500  3 LEU A 162       91.29    -59.43                                   
REMARK 500  4 ALA A  15      166.00    -42.11                                   
REMARK 500  4 VAL A  36       88.55    -67.35                                   
REMARK 500  4 PRO A  40     -169.93    -77.44                                   
REMARK 500  4 ASN A  54       38.62   -160.09                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     178 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500  1 ARG A  81         0.29    SIDE CHAIN                              
REMARK 500  1 ARG A  93         0.23    SIDE CHAIN                              
REMARK 500  1 ARG A 115         0.32    SIDE CHAIN                              
REMARK 500  2 ARG A  81         0.19    SIDE CHAIN                              
REMARK 500  2 ARG A  93         0.20    SIDE CHAIN                              
REMARK 500  2 ARG A 115         0.31    SIDE CHAIN                              
REMARK 500  2 ARG A 142         0.19    SIDE CHAIN                              
REMARK 500  3 ARG A  81         0.32    SIDE CHAIN                              
REMARK 500  3 ARG A  93         0.28    SIDE CHAIN                              
REMARK 500  3 ARG A 115         0.23    SIDE CHAIN                              
REMARK 500  3 ARG A 142         0.24    SIDE CHAIN                              
REMARK 500  4 ARG A  81         0.32    SIDE CHAIN                              
REMARK 500  4 ARG A  93         0.22    SIDE CHAIN                              
REMARK 500  4 ARG A 115         0.25    SIDE CHAIN                              
REMARK 500  4 ARG A 142         0.19    SIDE CHAIN                              
REMARK 500  5 ARG A  81         0.28    SIDE CHAIN                              
REMARK 500  5 ARG A  93         0.12    SIDE CHAIN                              
REMARK 500  5 ARG A 115         0.31    SIDE CHAIN                              
REMARK 500  5 ARG A 142         0.14    SIDE CHAIN                              
REMARK 500  6 ARG A  81         0.23    SIDE CHAIN                              
REMARK 500  6 ARG A  93         0.17    SIDE CHAIN                              
REMARK 500  6 ARG A 115         0.15    SIDE CHAIN                              
REMARK 500  6 ARG A 142         0.29    SIDE CHAIN                              
REMARK 500  7 ARG A  81         0.19    SIDE CHAIN                              
REMARK 500  7 ARG A  93         0.18    SIDE CHAIN                              
REMARK 500  7 ARG A 115         0.28    SIDE CHAIN                              
REMARK 500  7 ARG A 142         0.26    SIDE CHAIN                              
REMARK 500  8 ARG A  81         0.18    SIDE CHAIN                              
REMARK 500  8 ARG A  93         0.30    SIDE CHAIN                              
REMARK 500  8 ARG A 115         0.26    SIDE CHAIN                              
REMARK 500  8 ARG A 142         0.22    SIDE CHAIN                              
REMARK 500  9 ARG A  81         0.31    SIDE CHAIN                              
REMARK 500  9 ARG A  93         0.12    SIDE CHAIN                              
REMARK 500  9 ARG A 115         0.31    SIDE CHAIN                              
REMARK 500  9 ARG A 142         0.18    SIDE CHAIN                              
REMARK 500 10 ARG A  81         0.32    SIDE CHAIN                              
REMARK 500 10 ARG A  93         0.32    SIDE CHAIN                              
REMARK 500 10 ARG A 115         0.30    SIDE CHAIN                              
REMARK 500 10 ARG A 142         0.24    SIDE CHAIN                              
REMARK 500 11 ARG A  81         0.24    SIDE CHAIN                              
REMARK 500 11 ARG A  93         0.15    SIDE CHAIN                              
REMARK 500 11 ARG A 115         0.26    SIDE CHAIN                              
REMARK 500 11 ARG A 142         0.24    SIDE CHAIN                              
REMARK 500 12 ARG A  81         0.22    SIDE CHAIN                              
REMARK 500 12 ARG A  93         0.14    SIDE CHAIN                              
REMARK 500 12 ARG A 115         0.24    SIDE CHAIN                              
REMARK 500 12 ARG A 142         0.31    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1K45   RELATED DB: PDB                                   
REMARK 900 1K45 CONTAINS THE MINIMIZED AVERAGE STRUCTURE FOR THIS PROTEIN       
DBREF  1K42 A    2   164  UNP    P96988   P96988_RHOMR   211    373             
SEQADV 1K42 MET A    1  UNP  P96988              INITIATING METHIONINE          
SEQADV 1K42 ALA A  165  UNP  P96988              CLONING ARTIFACT               
SEQADV 1K42 SER A  166  UNP  P96988              CLONING ARTIFACT               
SEQADV 1K42 GLN A  167  UNP  P96988              CLONING ARTIFACT               
SEQADV 1K42 PRO A  168  UNP  P96988              CLONING ARTIFACT               
SEQRES   1 A  168  MET LEU VAL ALA ASN ILE ASN GLY GLY PHE GLU SER THR          
SEQRES   2 A  168  PRO ALA GLY VAL VAL THR ASP LEU ALA GLU GLY VAL GLU          
SEQRES   3 A  168  GLY TRP ASP LEU ASN VAL GLY SER SER VAL THR ASN PRO          
SEQRES   4 A  168  PRO VAL PHE GLU VAL LEU GLU THR SER ASP ALA PRO GLU          
SEQRES   5 A  168  GLY ASN LYS VAL LEU ALA VAL THR VAL ASN GLY VAL GLY          
SEQRES   6 A  168  ASN ASN PRO TRP ASP ILE GLU ALA THR ALA PHE PRO VAL          
SEQRES   7 A  168  ASN VAL ARG PRO GLY VAL THR TYR THR TYR THR ILE TRP          
SEQRES   8 A  168  ALA ARG ALA GLU GLN ASP GLY ALA VAL VAL SER PHE THR          
SEQRES   9 A  168  VAL GLY ASN GLN SER PHE GLN GLU TYR GLY ARG LEU HIS          
SEQRES  10 A  168  GLU GLN GLN ILE THR THR GLU TRP GLN PRO PHE THR PHE          
SEQRES  11 A  168  GLU PHE THR VAL SER ASP GLN GLU THR VAL ILE ARG ALA          
SEQRES  12 A  168  PRO ILE HIS PHE GLY TYR ALA ALA ASN VAL GLY ASN THR          
SEQRES  13 A  168  ILE TYR ILE ASP GLY LEU ALA ILE ALA SER GLN PRO              
HELIX    1   1 ASP A   20  GLY A   24  5                                   5    
HELIX    2   2 TYR A  149  VAL A  153  5                                   5    
SHEET    1   A 6 GLY A  16  VAL A  17  0                                        
SHEET    2   A 6 VAL A  41  GLU A  46 -1  O  VAL A  44   N  GLY A  16           
SHEET    3   A 6 LYS A  55  VAL A  61 -1  O  VAL A  56   N  LEU A  45           
SHEET    4   A 6 ASN A 155  ALA A 165 -1  O  ILE A 159   N  LEU A  57           
SHEET    5   A 6 THR A  85  ALA A  94 -1  N  THR A  89   O  ALA A 163           
SHEET    6   A 6 GLN A 126  THR A 133 -1  O  PHE A 128   N  ILE A  90           
SHEET    1   B 5 TRP A  28  VAL A  32  0                                        
SHEET    2   B 5 ILE A  71  ASN A  79 -1  O  THR A  74   N  ASP A  29           
SHEET    3   B 5 VAL A 140  PHE A 147 -1  O  ILE A 145   N  ALA A  73           
SHEET    4   B 5 ALA A  99  GLY A 106 -1  N  GLY A 106   O  ARG A 142           
SHEET    5   B 5 GLU A 112  ILE A 121 -1  O  GLN A 119   N  VAL A 101           
CISPEP   1 PHE A   76    PRO A   77          1        -0.75                     
CISPEP   2 PHE A   76    PRO A   77          2        -0.53                     
CISPEP   3 PHE A   76    PRO A   77          3        -0.50                     
CISPEP   4 PHE A   76    PRO A   77          4        -0.84                     
CISPEP   5 PHE A   76    PRO A   77          5        -0.68                     
CISPEP   6 PHE A   76    PRO A   77          6        -0.24                     
CISPEP   7 PHE A   76    PRO A   77          7        -0.15                     
CISPEP   8 PHE A   76    PRO A   77          8        -0.57                     
CISPEP   9 PHE A   76    PRO A   77          9        -0.36                     
CISPEP  10 PHE A   76    PRO A   77         10        -0.47                     
CISPEP  11 PHE A   76    PRO A   77         11        -0.36                     
CISPEP  12 PHE A   76    PRO A   77         12        -0.65                     
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