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A1AA01

- NAGZ_ECOK1

UniProt

A1AA01 - NAGZ_ECOK1

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Protein

Beta-hexosaminidase

Gene
nagZ, Ecok1_09970, APECO1_188
Organism
Escherichia coli O1:K1 / APEC
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

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

UniPathwayiUPA00544.

Protein family/group databases

CAZyiGH3. Glycoside Hydrolase Family 3.

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:Ecok1_09970
ORF Names:APECO1_188
OrganismiEscherichia coli O1:K1 / APEC
Taxonomic identifieri405955 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
ProteomesiUP000008216: 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 annotationPRO_1000005651Add
BLAST

Interactioni

Protein-protein interaction databases

STRINGi405955.APECO1_188.

Structurei

3D structure databases

ProteinModelPortaliA1AA01.
SMRiA1AA01. 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.

A1AA01-1 [UniParc]FASTAAdd to Basket

« Hide

MGPVMLDVEG YELDAEEREI LAHPLVGGLI LFTRNYHDPA QLRELVCQIR    50
AASRNHLVVA VDQEGGRVQR FREGFTRLPA AQSFAALLGM 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):37,549
Last modified:January 23, 2007 - v1
Checksum:i966760B291688F5C
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000468 Genomic DNA. Translation: ABJ00491.1.
RefSeqiYP_852205.1. NC_008563.1.

Genome annotation databases

EnsemblBacteriaiABJ00491; ABJ00491; APECO1_188.
GeneIDi4493211.
KEGGiecv:APECO1_188.
PATRICi18213650. VBIEscCol127180_1111.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000468 Genomic DNA. Translation: ABJ00491.1 .
RefSeqi YP_852205.1. NC_008563.1.

3D structure databases

ProteinModelPortali A1AA01.
SMRi A1AA01. Positions 1-324.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 405955.APECO1_188.

Protein family/group databases

CAZyi GH3. Glycoside Hydrolase Family 3.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABJ00491 ; ABJ00491 ; APECO1_188 .
GeneIDi 4493211.
KEGGi ecv:APECO1_188.
PATRICi 18213650. VBIEscCol127180_1111.

Phylogenomic databases

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

Enzyme and pathway databases

UniPathwayi UPA00544 .

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. "The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7 shares strong similarities with human extraintestinal pathogenic E. coli genomes."
    Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J., Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K.
    J. Bacteriol. 189:3228-3236(2007) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Entry informationi

Entry nameiNAGZ_ECOK1
AccessioniPrimary (citable) accession number: A1AA01
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: January 23, 2007
Last modified: May 14, 2014
This is version 54 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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