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B7LG40

- NAGZ_ECO55

UniProt

B7LG40 - NAGZ_ECO55

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Protein
Beta-hexosaminidase
Gene
nagZ, EC55989_1219
Organism
Escherichia coli (strain 55989 / EAEC)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

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 By similarity.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 – 621Substrate By similarity
Binding sitei70 – 701Substrate By similarity
Binding sitei133 – 1331Substrate By similarity
Sitei174 – 1741Important for catalytic activity By similarity
Active sitei176 – 1761Proton donor/acceptor By similarity
Active sitei248 – 2481Nucleophile By similarity

GO - Molecular functioni

  1. beta-N-acetylhexosaminidase activity Source: UniProtKB-HAMAP
Complete GO annotation...

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
Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Keywords - Biological processi

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

Enzyme and pathway databases

BioCyciECOL585055:GJOM-1243-MONOMER.
UniPathwayiUPA00544.

Names & Taxonomyi

Protein namesi
Recommended name:
Beta-hexosaminidase (EC:3.2.1.52)
Alternative name(s):
Beta-N-acetylhexosaminidase
N-acetyl-beta-glucosaminidase
Gene namesi
Name:nagZ
Ordered Locus Names:EC55989_1219
OrganismiEscherichia coli (strain 55989 / EAEC)
Taxonomic identifieri585055 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
ProteomesiUP000000746: Chromosome

Subcellular locationi

Cytoplasm By similarity UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 341341Beta-hexosaminidaseUniRule annotation
PRO_1000133663Add
BLAST

Interactioni

Protein-protein interaction databases

STRINGi585055.EC55989_1219.

Structurei

3D structure databases

ProteinModelPortaliB7LG40.
SMRiB7LG40. Positions 1-324.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni163 – 1642Substrate binding By similarity

Sequence similaritiesi

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.

B7LG40-1 [UniParc]FASTAAdd to Basket

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MGPVMLDVKG YELDAEEREI LAHPLVGGLI LFTRNYHDPA QLRELVRQIR    50
AASRNHLVVA VDQEGGRVQR FREGFTRLPA AQSFAALSGM EEGGKLAQEA 100
GWLMASEMIA MDIDISFAPV LDVGHISAAI GERSYHADPQ KALAIASRFI 150
DGMHEAGMKT TGKHFPGHGA VTADSHKETP CDPRPQAEIR AKDMSVFSSL 200
IRENKLDAIM PAHVIYSDVD PRPASGSPYW LKTVLRQELG FDGVIFSDDL 250
SMEGAAIMGS YAERGQASLD AGCDMILVCN NRKGAVSVLD NLSPIKAERV 300
TRLYHKGSFS RQELMDSARW KAISTRLNQL HERWQEEKAG H 341
Length:341
Mass (Da):37,575
Last modified:February 10, 2009 - v1
Checksum:i4655EF360F7AAC00
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CU928145 Genomic DNA. Translation: CAU97078.1.
RefSeqiYP_002402307.1. NC_011748.1.

Genome annotation databases

EnsemblBacteriaiCAU97078; CAU97078; EC55989_1219.
GeneIDi7148304.
KEGGieck:EC55989_1219.
PATRICi38475877. VBIEscCol113220_1250.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CU928145 Genomic DNA. Translation: CAU97078.1 .
RefSeqi YP_002402307.1. NC_011748.1.

3D structure databases

ProteinModelPortali B7LG40.
SMRi B7LG40. Positions 1-324.
ModBasei Search...

Protein-protein interaction databases

STRINGi 585055.EC55989_1219.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAU97078 ; CAU97078 ; EC55989_1219 .
GeneIDi 7148304.
KEGGi eck:EC55989_1219.
PATRICi 38475877. VBIEscCol113220_1250.

Phylogenomic databases

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

Enzyme and pathway databases

UniPathwayi UPA00544 .
BioCyci ECOL585055:GJOM-1243-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: 55989 / EAEC.

Entry informationi

Entry nameiNAGZ_ECO55
AccessioniPrimary (citable) accession number: B7LG40
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: February 10, 2009
Last modified: May 14, 2014
This is version 39 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

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