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(-) Description

Title :  SOLUTION STRUCTURE OF A CELLULOSE BINDING DOMAIN FROM CELLULOMONAS FIMI BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY
 
Authors :  G. -Y. Xu, E. Ong, N. R. Gilkes, D. G. Kilburn, D. R. Muhandiram, M. Harris-Brandts, J. P. Carver, L. E. Kay, T. S. Harvey
Date :  14 Mar 95  (Deposition) - 03 Jun 95  (Release) - 25 Aug 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A
Keywords :  Cellulose Binding Domain, Cellulose Degradation (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  G. Y. Xu, E. Ong, N. R. Gilkes, D. G. Kilburn, D. R. Muhandiram, M. Harris-Brandts, J. P. Carver, L. E. Kay, T. S. Harvey
Solution Structure Of A Cellulose-Binding Domain From Cellulomonas Fimi By Nuclear Magnetic Resonance Spectroscopy.
Biochemistry V. 34 6993 1995
PubMed-ID: 7766609  |  Reference-DOI: 10.1021/BI00021A011
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - EXO-1,4-BETA-D-GLYCANASE
    ChainsA
    EC Number3.2.1.91
    EngineeredYES
    Organism ScientificCELLULOMONAS FIMI
    Organism Taxid1708

 Structural Features

(-) Chains, Units

  
NMR Structure 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1EXG)

(-) Sites  (0, 0)

(no "Site" information available for 1EXG)

(-) SS Bonds  (1, 1)

NMR Structure
No.Residues
1A:8 -A:107

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1EXG)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1EXG)

(-) PROSITE Motifs  (2, 2)

NMR Structure (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CBM2PS51173 CBM2 (Carbohydrate-binding type-2) domain profile.GUX_CELFI375-484  1A:3-110
2CBM2_APS00561 CBM2a (carbohydrate-binding type-2) domain signature.GUX_CELFI446-459  1A:72-85

(-) Exons   (0, 0)

(no "Exon" information available for 1EXG)

(-) Sequences/Alignments

NMR Structure
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:110
 aligned with GUX_CELFI | P07986 from UniProtKB/Swiss-Prot  Length:484

    Alignment length:110
                                   384       394       404       414       424       434       444       454       464       474       484
            GUX_CELFI   375 PTSGPAGCQVLWGVNQWNTGFTANVTVKNTSSAPVDGWTLTFSFPSGQQVTQAWSSTVTQSGSAVTVRNAPWNGSIPAGGTAQFGFNGSHTGTNAAPTAFSLNGTPCTVG 484
               SCOP domains d1exga_ A: Exo-1,4-beta-D-glycanase (cellulase, xylanase), cellulose-binding domain, CBD                       SCOP domains
               CATH domains 1exgA00 A:1-110  [code=2.60.40.290, no name defined]                                                           CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eeeee..eee...eeeeeeeeee........eeeeee.....eeeeee..eeeee..eeeeee..hhh.....eeeeeeeeee..........eee..eeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) CBM2  PDB: A:3-110 UniProt: 375-484                                                                            PROSITE (1)
                PROSITE (2) -----------------------------------------------------------------------CBM2_A        ------------------------- PROSITE (2)
                 Transcript -------------------------------------------------------------------------------------------------------------- Transcript
                 1exg A   1 ASSGPAGCQVLWGVNQWNTGFTANVTVKNTSSAPVDGWTLTFSFPSGQQVTQAWSSTVTQSGSAVTVRNAPWNGSIPAGGTAQFGFNGSHTGTNAAPTAFSLNGTPCTVG 110
                                    10        20        30        40        50        60        70        80        90       100       110

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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

NMR Structure

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1EXG)

(-) Gene Ontology  (13, 13)

NMR Structure(hide GO term definitions)
Chain A   (GUX_CELFI | P07986)
molecular function
    GO:0030246    carbohydrate binding    Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates.
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0016162    cellulose 1,4-beta-cellobiosidase activity    Catalysis of the hydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose and cellotetraose, releasing cellobiose from the non-reducing ends of the chains.
    GO:0031176    endo-1,4-beta-xylanase activity    Catalysis of the endohydrolysis of (1->4)-beta-D-xylosidic linkages in xylans.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0016798    hydrolase activity, acting on glycosyl bonds    Catalysis of the hydrolysis of any glycosyl bond.
    GO:0004553    hydrolase activity, hydrolyzing O-glycosyl compounds    Catalysis of the hydrolysis of any O-glycosyl bond.
    GO:0030247    polysaccharide binding    Interacting selectively and non-covalently with any polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically.
biological process
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
    GO:0030245    cellulose catabolic process    The chemical reactions and pathways resulting in the breakdown of cellulose, a linear beta1-4 glucan of molecular mass 50-400 kDa with the pyranose units in the -4C1 conformation.
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    GO:0000272    polysaccharide catabolic process    The chemical reactions and pathways resulting in the breakdown of a polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically.
    GO:0045493    xylan catabolic process    The chemical reactions and pathways resulting in the breakdown of xylan, a polymer containing a beta-1,4-linked D-xylose backbone.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        GUX_CELFI | P079861exh 1exp 1fh7 1fh8 1fh9 1fhd 1j01 2exo 2his 2xyl 3cuf 3cug 3cuh 3cui 3cuj

(-) Related Entries Specified in the PDB File

1exh