A7ZZ65 (NAGZ_ECOHS) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Beta-hexosaminidase
EC=3.2.1.52

Alternative name(s):
Beta-N-acetylhexosaminidase
N-acetyl-beta-glucosaminidase

Gene names

Name:	nagZ
Ordered Locus Names:	EcHS_A1230

Organism

Escherichia coli O9:H4 (strain HS) [Complete proteome] [HAMAP]

Taxonomic identifier

331112 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	341 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Cleaves GlcNAc linked beta-1,4 to MurNAc tripeptides By similarity. HAMAP MF_00364
Catalytic activity	Hydrolysis of terminal non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides. HAMAP MF_00364
Pathway	Cell wall biogenesis; peptidoglycan recycling. HAMAP MF_00364
Subcellular location	Cytoplasm By similarity HAMAP MF_00364.
Sequence similarities	Belongs to the glycosyl hydrolase 3 family. NagZ subfamily.

Ontologies

Keywords
Biological process	Cell cycle Cell division Cell shape Cell wall biogenesis/degradation Peptidoglycan synthesis
Cellular component	Cytoplasm
Molecular function	Glycosidase Hydrolase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	cell cycle Inferred from electronic annotation. Source: UniProtKB-KW cell division Inferred from electronic annotation. Source: UniProtKB-KW cellular cell wall organization Inferred from electronic annotation. Source: UniProtKB-KW peptidoglycan biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW regulation of cell shape Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	beta-N-acetylhexosaminidase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 341	341	Beta-hexosaminidase HAMAP MF_00364		PRO_1000059896
Sites
	Active site	248	1	By similarity

Sequences

	Sequence		Length	Mass (Da)
	A7ZZ65 [UniParc]. Last modified October 23, 2007. Version 1. Checksum: 485FED3BE899F50A	FASTA	341	37,574
	10 20 30 40 50 60 MGPVMLDVEG YELDAEEREI LAHPLVGGLI LFTRNYHDPA QLRELVRQIR AASRNHLVVA 70 80 90 100 110 120 VDQEGGRVQR FREGFTRLPA AQSFAALSGM EEGGKLAQEA GWLMASEMIA MDIDISFAPV 130 140 150 160 170 180 LDVGHISAAI GERSYHADPQ KALAIASRFI DGMHEAGMKT TGKHFPGHGA VTADSHKETP 190 200 210 220 230 240 CDPRPQAEIR AKDMSVFSSL IRENKLDAIM PAHVIYSDVD PRPASGSPYW LKTVLRQELG 250 260 270 280 290 300 FDGVIFSDDL SMEGAVIMGS YAERGQASLD AGCDMILVCN NRKGAVSVLD NLSPIKAERV 310 320 330 340 TRLYHKGSFS RQELMDSARW KAISARLNQL HERWQEEKAG H

References

[1]

"The pangenome structure of Escherichia coli: comparative genomic analysis of E. coli commensal and pathogenic isolates." Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F., Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R., Henderson I.R., Sperandio V., Ravel J. J. Bacteriol. 190:6881-6893(2008) [PubMed: 18676672] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: HS.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000802 Genomic DNA. Translation: ABV05569.1.
RefSeq	YP_001457952.1. NC_009800.1.
3D structure databases
ProteinModelPortal	A7ZZ65.
SMR	A7ZZ65. Positions 1-326.
ModBase	Search...
Protein-protein interaction databases
STRING	A7ZZ65.
Protein family/group databases
CAZy	GH3. Glycoside Hydrolase Family 3.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBESCT00000053731; EBESCP00000051716; EBESCG00000052779.
GeneID	5592036.
GenomeReviews	Gene locus EcHS_A1230 in contig CP000802_GR.
KEGG	ecx:EcHS_A1230.
PATRIC	18312442. VBIEscCol77814_1196.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG1472.
GeneTree	EBGT00050000011903.
HOGENOM	HBG617255.
OMA	DLTMEGA.
ProtClustDB	PRK05337.
Family and domain databases
HAMAP	MF_00364. NagZ. [Tree]
InterPro	IPR022956. Beta_hexosaminidase. IPR019800. Glyco_hydro_3_AS. IPR001764. Glyco_hydro_3_N. IPR017853. Glycoside_hydrolase_SF. [Graphical view]
Gene3D	G3DSA:3.20.20.300. Glyco_hydro_3_N. 1 hit.
KO	K01207.
Pfam	PF00933. Glyco_hydro_3. 1 hit. [Graphical view]
SUPFAM	SSF51445. Glyco_hydro_cat. 1 hit.
PROSITE	PS00775. GLYCOSYL_HYDROL_F3. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

NAGZ_ECOHS

Accession

Primary (citable) accession number: A7ZZ65

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 5, 2008
Last sequence update:	October 23, 2007
Last modified:	January 25, 2012
This is version 31 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program