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(-) Description

Title :  UNIQUE LIGAND BINDING SPECIFICITY OF A FAMILY 32 CARBOHYDRATE-BINDING MODULE FROM THE MU TOXIN PRODUCED BY CLOSTRIDIUM PERFRINGENS
 
Authors :  E. Ficko-Blean, A. B. Boraston
Date :  20 Oct 08  (Deposition) - 05 May 09  (Release) - 23 Jun 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.45
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Hexosaminidase, Clostridium Perfringens, Family 32 Carbohydrate Binding Module, Toxin, Secreted, Virulence, Hydrolase, Glycosidase, Family 84 Glycoside Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  E. Ficko-Blean, A. B. Boraston
N-Acetylglucosamine Recognition By A Family 32 Carbohydrate-Binding Module From Clostridium Perfringens Nagh.
J. Mol. Biol. V. 390 208 2009
PubMed-ID: 19422833  |  Reference-DOI: 10.1016/J.JMB.2009.04.066

(-) Compounds

Molecule 1 - HYALURONOGLUCOSAMINIDASE
    Atcc13124
    ChainsA, B
    EC Number3.2.1.35
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET28A
    Expression System StrainBL21(DE3)STAR
    Expression System Taxid469008
    FragmentFAMILY 32 CBM, RESIDUES 807-975
    Organism ScientificCLOSTRIDIUM PERFRINGENS
    Organism Taxid1502
    SynonymFAMILY 84 GLYCOSIDE HYDROLASE, MU TOXIN

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (1x)A 
Biological Unit 2 (1x) B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 7)

Asymmetric Unit (4, 7)
No.NameCountTypeFull Name
1BTB1Ligand/Ion2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
2CA2Ligand/IonCALCIUM ION
3MSE2Mod. Amino AcidSELENOMETHIONINE
4NA2Ligand/IonSODIUM ION
Biological Unit 1 (2, 2)
No.NameCountTypeFull Name
1BTB1Ligand/Ion2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
2CA-1Ligand/IonCALCIUM ION
3MSE1Mod. Amino AcidSELENOMETHIONINE
4NA-1Ligand/IonSODIUM ION
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1BTB-1Ligand/Ion2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
2CA-1Ligand/IonCALCIUM ION
3MSE1Mod. Amino AcidSELENOMETHIONINE
4NA-1Ligand/IonSODIUM ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:825 , ASP A:828 , ASP A:830 , THR A:833 , SER A:939 , GLU A:940BINDING SITE FOR RESIDUE CA A1946
2AC2SOFTWAREASN B:825 , ASP B:828 , ASP B:830 , THR B:833 , SER B:939 , GLU B:940BINDING SITE FOR RESIDUE CA B1946
3AC3SOFTWAREASN A:871 , LYS A:908 , HOH A:2041BINDING SITE FOR RESIDUE NA A1947
4AC4SOFTWARETYR A:886 , HOH A:2182 , GLU B:814 , HOH B:2053BINDING SITE FOR RESIDUE NA B1947
5AC5SOFTWARETRP A:836 , ASP A:877 , TRP A:935 , HOH A:2121 , HOH A:2262 , HOH A:2263 , HOH A:2264 , HOH A:2265 , TRP B:836 , ASP B:877 , ASN B:933 , LYS B:934 , TRP B:935BINDING SITE FOR RESIDUE BTB A1948

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2W1S)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2W1S)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (1, 2)

Asymmetric Unit (1, 2)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_NAGH_CLOPE_006 *I944VNAGH_CLOPE  ---  ---A/BV944V
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_NAGH_CLOPE_006 *I944VNAGH_CLOPE  ---  ---AV944V
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_NAGH_CLOPE_006 *I944VNAGH_CLOPE  ---  ---BV944V
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2W1S)

(-) Exons   (0, 0)

(no "Exon" information available for 2W1S)

(-) Sequences/Alignments

Asymmetric 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 A from PDB  Type:PROTEIN  Length:139
 aligned with NAGH_CLOPE | P26831 from UniProtKB/Swiss-Prot  Length:1628

    Alignment length:139
                                   816       826       836       846       856       866       876       886       896       906       916       926       936         
           NAGH_CLOPE   807 NPSLIRSESWQVYEGNEANLLDGDDNTGVWYKTLNGDTSLAGEFIGLDLGKEIKLDGIRFVIGKNGGGSSDKWNKFKLEYSLDNESWTTIKEYDKTGAPAGKDVIEESFETPISAKYIRLTNMENINKWLTFSEFAIIS 945
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee....eeeee.hhhhh.......eeeehhhhhh.....eeeeeeeeeeeeeeeeeee............eeeeeee......eeeeeee........eeeeeeeeeeeeeeeeeeee.......eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) -----------------------------------------------------------------------------------------------------------------------------------------V- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2w1s A 807 NPSLIRSESWQVYEGNEANLLDGDDNTGVWYKTLNGDTSLAGEFIGLDLGKEIKLDGIRFVIGKNGGGSSDKWNKFKLEYSLDNESWTTIKEYDKTGAPAGKDVIEESFETPISAKYIRLTNmENINKWLTFSEFAIVS 945
                                   816       826       836       846       856       866       876       886       896       906       916       926  |    936         
                                                                                                                                                    929-MSE            

Chain B from PDB  Type:PROTEIN  Length:138
 aligned with NAGH_CLOPE | P26831 from UniProtKB/Swiss-Prot  Length:1628

    Alignment length:138
                                   817       827       837       847       857       867       877       887       897       907       917       927       937        
           NAGH_CLOPE   808 PSLIRSESWQVYEGNEANLLDGDDNTGVWYKTLNGDTSLAGEFIGLDLGKEIKLDGIRFVIGKNGGGSSDKWNKFKLEYSLDNESWTTIKEYDKTGAPAGKDVIEESFETPISAKYIRLTNMENINKWLTFSEFAIIS 945
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
           Pfam domains (1) -F5_F8_type_C-2w1sB01 B:809-941                                                                                                       ---- Pfam domains (1)
           Pfam domains (2) -F5_F8_type_C-2w1sB02 B:809-941                                                                                                       ---- Pfam domains (2)
         Sec.struct. author .eeee....eeeee.hhhhh.......eeeehhhhhh.....eeeeeeeeeeeeeeeeeee............eeeeeee......eeeeeee........eeeeeeeeeeeeeeeeeeee.......eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------V- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2w1s B 808 PSLIRSESWQVYEGNEANLLDGDDNTGVWYKTLNGDTSLAGEFIGLDLGKEIKLDGIRFVIGKNGGGSSDKWNKFKLEYSLDNESWTTIKEYDKTGAPAGKDVIEESFETPISAKYIRLTNmENINKWLTFSEFAIVS 945
                                   817       827       837       847       857       867       877       887       897       907       917       927 |     937        
                                                                                                                                                   929-MSE            

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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  (0, 0)

(no "SCOP Domain" information available for 2W1S)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2W1S)

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: GBD (153)

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (NAGH_CLOPE | P26831)
molecular function
    GO:0004415    hyalurononglucosaminidase activity    Catalysis of the random hydrolysis of (1->4) linkages between N-acetyl-beta-D-glucosamine and D-glucuronate residues in hyaluronate.
    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.
biological process
    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:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
    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.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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 Related Entries

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

UniProtKB/Swiss-Prot
        NAGH_CLOPE | P268312jnk 2ozn 2w1q 2w1u 2wdb

(-) Related Entries Specified in the PDB File

2w1q UNIQUE LIGAND BINDING SPECIFICITY FOR A FAMILY 32 CARBOHYDRATE-BINDING MODULE FROM THE MU TOXIN PRODUCED BY CLOSTRIDIUM PERFRINGENS
2w1u A FAMILY 32 CARBOHYDRATE-BINDING MODULE, FROM THE MU TOXIN PRODUCED BY CLOSTRIDIUM PERFRINGENS, IN COMPLEX WITH BETA-D-GLCNAC- BETA1-3GALNAC
2wdb A FAMILY 32 CARBOHYDRATE-BINDING MODULE, FROM THE MU TOXIN PRODUCED BY CLOSTRIDIUM PERFRINGENS, IN COMPLEX WITH BETA-D-GLCNAC- BETA(1,2)MANNOSE