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(-) Description

Title :  CATALYTIC DOMAIN OF ENDO-1,4-GLUCANASE CEL6A MUTANT Y73S FROM THERMOBIFIDA FUSCA IN COMPLEX WITH CELLOTETROSE
 
Authors :  A. M. Larsson, T. Bergfors, E. Dultz, D. C. Irwin, A. Roos, H. Driguez, D. B. Wilson, T. A. Jones
Date :  10 Apr 05  (Deposition) - 05 Oct 05  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.64
Chains :  Asym./Biol. Unit :  X
Keywords :  Hydrolase, Endoglucanase, Thermobifida Fusca, Tim A/B Fold, Glycoside Hydrolase Family 6, Methyl Cellobiosyl-4-Thio-Beta- Cellobioside (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. M. Larsson, T. Bergfors, E. Dultz, D. C. Irwin, A. Roos, H. Driguez, D. B. Wilson, T. A. Jones
Crystal Structure Of Thermobifida Fusca Endoglucanase Cel6A In Complex With Substrate And Inhibitor: The Role Of Tyrosine Y73 In Substrate Ring Distortion.
Biochemistry V. 44 12915 2005
PubMed-ID: 16185060  |  Reference-DOI: 10.1021/BI0506730

(-) Compounds

Molecule 1 - ENDOGLUCANASE E-2
    Atcc: 27730
    Chains: X
    EC Number: 3.2.1.4
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: POS12
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector: PET26B
    Fragment: CATALYTIC DOMAIN, RESIDUES 32-317
    Mutation: YES
    Organism Scientific: THERMOMONOSPORA FUSCA
    Organism Taxid: 2021
    Strain: YX
    Synonym: ENDO-1,4-BETA-GLUCANASE E-2, CELLULASE E-2

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : X

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 4)

Asymmetric/Biological Unit (1, 4)
No.NameCountTypeFull Name
1BGC4Ligand/IonBETA-D-GLUCOSE

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS X:159 , ASN X:190 , TRP X:231 , BGC X:902 , HOH X:2161 , HOH X:2264 , HOH X:2265 , HOH X:2266BINDING SITE FOR RESIDUE BGC X 901
2AC2SOFTWAREASP X:117 , THR X:188 , ASN X:190 , BGC X:901 , BGC X:903 , HOH X:2267BINDING SITE FOR RESIDUE BGC X 902
3AC3SOFTWARETRP X:41 , TRP X:231 , LYS X:259 , ASP X:265 , BGC X:902 , BGC X:904 , HOH X:2268BINDING SITE FOR RESIDUE BGC X 903
4AC4SOFTWARETRP X:41 , LYS X:259 , GLU X:263 , ALA X:271 , BGC X:903 , HOH X:2244 , HOH X:2269 , HOH X:2270 , HOH X:2271 , HOH X:2272 , HOH X:2273BINDING SITE FOR RESIDUE BGC X 904

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1X:80 -X:125
2X:232 -X:267

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2BOF)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2BOF)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLYCOSYL_HYDROL_F6_1PS00655 Glycosyl hydrolases family 6 signature 1.GUN2_THEFU102-118  1X:71-87
2GLYCOSYL_HYDROL_F6_2PS00656 Glycosyl hydrolases family 6 signature 2.GUN2_THEFU142-151  1X:111-120

(-) Exons   (0, 0)

(no "Exon" information available for 2BOF)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   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 X from PDB  Type:PROTEIN  Length:278
 aligned with GUN2_THEFU | P26222 from UniProtKB/Swiss-Prot  Length:441

    Alignment length:284
                                    43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313    
           GUN2_THEFU    34 SPFYVNPNMSSAEWVRNNPNDPRTPVIRDRIASVPQGTWFAHHNPGQITGQVDALMSAAQAAGKIPILVVYNAPGRDCGNHSSGGAPSHSAYRSWIDEFAAGLKNRPAYIIVEPDLISLMSSCMQHVQQEVLETMAYAGKALKAGSSQARIYFDAGHSAWHSPAQMASWLQQADISNSAHGIATNTSNYRWTADEVAYAKAVLSAIGNPSLRAVIDTSRNGNGPAGNEWCDPSGRAIGTPSTTNTGDPMIDAFLWIKLPGEADGCIAGAGQFVPQAAYEMAIAA 317
               SCOP domains d2bofx_ X: Cellulase E2                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains 2bofX00 X:3-286 7-stranded glycosidases (cellulases)                                                                                                                                                                                                                                         CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ........hhhhhhhhhh....hhhhhhhhh......eee......hhhhhhhhhhhhhhhhh...eeee........------...hhhhhhhhhhhhhhh.....eeeee..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..eeeeee.......hhhhhhhhhhhhhhhhhh.eeee......hhhhhhhhhhhhhhhhh....eeeee.................................eeeee..................hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------GLYCOSYL_HYDROL_F-----------------------GLYCOSYL_H---------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2bof X   3 SPFYVNPNMSSAEWVRNNPNDPRTPVIRDRIASVPQGTWFAHHNPGQITGQVDALMSAAQAAGKIPILVVSNAPGRDC------GAPSHSAYRSWIDEFAAGLKNRPAYIIVEPDLISLMSSCMQHVQQEVLETMAYAGKALKAGSSQARIYFDAGHSAWHSPAQMASWLQQADISNSAHGIATNTSNYRWTADEVAYAKAVLSAIGNPSLRAVIDTSRNGNGPAGNEWCDPSGRAIGTPSTTNTGDPMIDAFLWIKLPGEADGCIAGAGQFVPQAAYEMAIAA 286
                                    12        22        32        42        52        62        72       | -    |   92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282    
                                                                                                        80     87
   Legend:   → Mismatch (orange background)
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    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2BOF)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)
Chain X   (GUN2_THEFU | P26222)
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:0008810    cellulase activity    Catalysis of the endohydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose, lichenin and cereal beta-D-glucans.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        GUN2_THEFU | P26222: 1tml 2bod 2boe 2bog 3rpt

(-) Related Entries Specified in the PDB File

1tml ENDO-1,4-BETA-D-GLUCANASE
2bod CATALYTIC DOMAIN OF ENDO-1,4-GLUCANASE CEL6A FROM THERMOBIFIDA FUSCA IN COMPLEX WITH METHYL CELLOBIOSYL-4-THIO-BETA- CELLOBIOSIDE
2boe CATALYTIC DOMAIN OF ENDO-1,4-GLUCANASE CEL6A MUTANT Y73S FROM THERMOBIFIDA FUSCA
2bog CATALYTIC DOMAIN OF ENDO-1,4-GLUCANASE CEL6A MUTANT Y73S FROM THERMOBIFIDA FUSCA IN COMPLEX WITH METHYL CELLOBIOSYL- 4-THIO-BETA-CELLOBIOSIDE