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B7NKH2

- NAGZ_ECO7I

UniProt

B7NKH2 - NAGZ_ECO7I

Protein

Beta-hexosaminidase

Gene

nagZ

Organism
Escherichia coli O7:K1 (strain IAI39 / ExPEC)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 37 (01 Oct 2014)
      Sequence version 1 (24 Mar 2009)
      Previous versions | rss
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    Functioni

    Plays a role in peptidoglycan recycling by cleaving the terminal beta-1,4-linked N-acetylglucosamine (GlcNAc) from peptide-linked peptidoglycan fragments, giving rise to free GlcNAc, anhydro-N-acetylmuramic acid and anhydro-N-acetylmuramic acid-linked peptides.UniRule annotation

    Catalytic activityi

    Hydrolysis of terminal non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides.UniRule annotation

    Pathwayi

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Binding sitei62 – 621SubstrateUniRule annotation
    Binding sitei70 – 701SubstrateUniRule annotation
    Binding sitei133 – 1331SubstrateUniRule annotation
    Sitei174 – 1741Important for catalytic activityUniRule annotation
    Active sitei176 – 1761Proton donor/acceptorUniRule annotation
    Active sitei248 – 2481NucleophileUniRule annotation

    GO - Molecular functioni

    1. beta-N-acetylhexosaminidase activity Source: UniProtKB-HAMAP

    GO - Biological processi

    1. carbohydrate metabolic process Source: InterPro
    2. cell cycle Source: UniProtKB-KW
    3. cell division Source: UniProtKB-KW
    4. peptidoglycan biosynthetic process Source: UniProtKB-KW
    5. peptidoglycan turnover Source: UniProtKB-HAMAP
    6. regulation of cell shape Source: UniProtKB-KW

    Keywords - Molecular functioni

    Glycosidase, Hydrolase

    Keywords - Biological processi

    Cell cycle, Cell division, Cell shape, Cell wall biogenesis/degradation, Peptidoglycan synthesis

    Enzyme and pathway databases

    BioCyciECOL585057:GJ8I-2121-MONOMER.
    UniPathwayiUPA00544.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Beta-hexosaminidaseUniRule annotation (EC:3.2.1.52UniRule annotation)
    Alternative name(s):
    Beta-N-acetylhexosaminidaseUniRule annotation
    N-acetyl-beta-glucosaminidaseUniRule annotation
    Gene namesi
    Name:nagZUniRule annotation
    Ordered Locus Names:ECIAI39_2053
    OrganismiEscherichia coli O7:K1 (strain IAI39 / ExPEC)
    Taxonomic identifieri585057 [NCBI]
    Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
    ProteomesiUP000000749: Chromosome

    Subcellular locationi

    Cytoplasm UniRule annotation

    GO - Cellular componenti

    1. cytoplasm Source: UniProtKB-SubCell

    Keywords - Cellular componenti

    Cytoplasm

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 341341Beta-hexosaminidasePRO_1000121055Add
    BLAST

    Interactioni

    Protein-protein interaction databases

    STRINGi585057.ECIAI39_2053.

    Structurei

    3D structure databases

    ProteinModelPortaliB7NKH2.
    SMRiB7NKH2. Positions 1-325.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Region

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Regioni163 – 1642Substrate bindingUniRule annotation

    Sequence similaritiesi

    Belongs to the glycosyl hydrolase 3 family. NagZ subfamily.UniRule annotation

    Phylogenomic databases

    eggNOGiCOG1472.
    HOGENOMiHOG000248526.
    KOiK01207.
    OMAiAHDIDLS.
    OrthoDBiEOG6BCT06.

    Family and domain databases

    Gene3Di3.20.20.300. 1 hit.
    HAMAPiMF_00364. NagZ.
    InterProiIPR022956. Beta_hexosaminidase_bac.
    IPR019800. Glyco_hydro_3_AS.
    IPR001764. Glyco_hydro_3_N.
    IPR017853. Glycoside_hydrolase_SF.
    [Graphical view]
    PfamiPF00933. Glyco_hydro_3. 1 hit.
    [Graphical view]
    SUPFAMiSSF51445. SSF51445. 1 hit.
    PROSITEiPS00775. GLYCOSYL_HYDROL_F3. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    B7NKH2-1 [UniParc]FASTAAdd to Basket

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    MGPVMLDVEG YELDAEEREI LAHPLVGGLI LFTRNYHDPA QLRELVRQIR    50
    AASRNHLVVA VDQEGGRVQR FREGFTRLPA AQSFAALLGM EEGGKLAQEA 100
    GWLMASEMIA MDIDISFAPV LDVGHISAAI GERSYHADPE KALAIASRFI 150
    DGMHEAGMKT TGKHFPGHGA VTADSHKETP CDPRPQAEIR AKDMSVFSSL 200
    IRENKLDAIM PAHVIYSDVD PRPASGSPYW LKTVLRQELG FDGVIFSDDL 250
    SMEGAAIMGS YAERGQASLD AGCDMILVCN NRKGAVSVLD NLSPIKAERV 300
    TRLYHKGSFS RQELMDSARW KAISARLNQL HERWQEEKAG H 341
    Length:341
    Mass (Da):37,573
    Last modified:March 24, 2009 - v1
    Checksum:i33E387D36C97B669
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CU928164 Genomic DNA. Translation: CAR18180.1.
    RefSeqiYP_002408020.1. NC_011750.1.

    Genome annotation databases

    EnsemblBacteriaiCAR18180; CAR18180; ECIAI39_2053.
    GeneIDi7153455.
    KEGGiect:ECIAI39_2053.
    PATRICi18332812. VBIEscCol51957_2133.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CU928164 Genomic DNA. Translation: CAR18180.1 .
    RefSeqi YP_002408020.1. NC_011750.1.

    3D structure databases

    ProteinModelPortali B7NKH2.
    SMRi B7NKH2. Positions 1-325.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 585057.ECIAI39_2053.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai CAR18180 ; CAR18180 ; ECIAI39_2053 .
    GeneIDi 7153455.
    KEGGi ect:ECIAI39_2053.
    PATRICi 18332812. VBIEscCol51957_2133.

    Phylogenomic databases

    eggNOGi COG1472.
    HOGENOMi HOG000248526.
    KOi K01207.
    OMAi AHDIDLS.
    OrthoDBi EOG6BCT06.

    Enzyme and pathway databases

    UniPathwayi UPA00544 .
    BioCyci ECOL585057:GJ8I-2121-MONOMER.

    Family and domain databases

    Gene3Di 3.20.20.300. 1 hit.
    HAMAPi MF_00364. NagZ.
    InterProi IPR022956. Beta_hexosaminidase_bac.
    IPR019800. Glyco_hydro_3_AS.
    IPR001764. Glyco_hydro_3_N.
    IPR017853. Glycoside_hydrolase_SF.
    [Graphical view ]
    Pfami PF00933. Glyco_hydro_3. 1 hit.
    [Graphical view ]
    SUPFAMi SSF51445. SSF51445. 1 hit.
    PROSITEi PS00775. GLYCOSYL_HYDROL_F3. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: IAI39 / ExPEC.

    Entry informationi

    Entry nameiNAGZ_ECO7I
    AccessioniPrimary (citable) accession number: B7NKH2
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: April 14, 2009
    Last sequence update: March 24, 2009
    Last modified: October 1, 2014
    This is version 37 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    Complete proteome

    Documents

    1. Glycosyl hydrolases
      Classification of glycosyl hydrolase families and list of entries
    2. PATHWAY comments
      Index of metabolic and biosynthesis pathways
    3. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3