B2FPW9 (NAGZ_STRMK) 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:	Smlt3538

Organism

Stenotrophomonas maltophilia (strain K279a) [Complete proteome] [HAMAP]

Taxonomic identifier

522373 [NCBI]

Taxonomic lineage

cellular organisms › Bacteria › Proteobacteria › Gammaproteobacteria › Xanthomonadales › Xanthomonadaceae › Stenotrophomonas › Stenotrophomonas maltophilia group › Stenotrophomonas maltophilia

Protein attributes

Sequence length	335 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-Rule MF_00364
Catalytic activity	Hydrolysis of terminal non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides. HAMAP-Rule MF_00364
Pathway	Cell wall biogenesis; peptidoglycan recycling. HAMAP-Rule MF_00364
Subcellular location	Cytoplasm By similarity.
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	carbohydrate metabolic process Inferred from electronic annotation. Source: InterPro cell cycle Inferred from electronic annotation. Source: UniProtKB-KW cell division Inferred from electronic annotation. Source: UniProtKB-KW peptidoglycan biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW peptidoglycan turnover Inferred from electronic annotation. Source: HAMAP 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: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 335	335	Beta-hexosaminidase HAMAP-Rule MF_00364		PRO_1000121076
Sites
	Active site	247	1	By similarity

Sequences

	Sequence		Length	Mass (Da)
	B2FPW9 [UniParc]. Last modified June 10, 2008. Version 1. Checksum: 9D1B32452A27749C	FASTA	335	35,684
	10 20 30 40 50 60 MLLIGVAGTE LTAQERDWLQ HDAVAGVVLF KRNFASRQQV TDLSAAIRAA APRPQLICVD 70 80 90 100 110 120 QEGGRVQRFR EGYSDLPPLQ DIGALYATDP QQALALAERH AWLMASEVRA SGLDLSFAPV 130 140 150 160 170 180 VDLGRGNRAI GNRAFSEDPQ VVAAFTAAYV RGMHSVGMAA TLKHFPGHGT VLEDTHVDTA 190 200 210 220 230 240 IDPRALDELR AQDLVPFQAG IAAGADAVMM AHVIYPQIAP EPAGYSPRWI QDILRGELGF 250 260 270 280 290 300 RGVVFSDDIG MAASHSAGGV PARVHAHLDA GCDVVLVCHP ELVDEALHAV QGRSLNTAAL 310 320 330 LGLIGRGALG WDGLLADARH GDTQTRLLET LGRTV

References

[1]

"The complete genome, comparative and functional analysis of Stenotrophomonas maltophilia reveals an organism heavily shielded by drug resistance determinants." Crossman L.C., Gould V.C., Dow J.M., Vernikos G.S., Okazaki A., Sebaihia M., Saunders D., Arrowsmith C., Carver T., Peters N., Adlem E., Kerhornou A., Lord A., Murphy L., Seeger K., Squares R., Rutter S., Quail M.A. , Rajandream M.A., Harris D., Churcher C., Bentley S.D., Parkhill J., Thomson N.R., Avison M.B. Genome Biol. 9:R74.1-R74.13(2008) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: K279a.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AM743169 Genomic DNA. Translation: CAQ46960.1.
RefSeq	YP_001973249.1. NC_010943.1.
3D structure databases
ProteinModelPortal	B2FPW9.
ModBase	Search...
Protein-protein interaction databases
STRING	522373.Smlt3538.
Protein family/group databases
CAZy	GH3. Glycoside Hydrolase Family 3.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	CAQ46960; CAQ46960; Smlt3538.
GeneID	6393263.
KEGG	sml:Smlt3538.
PATRIC	23702539. VBISteMal45202_3322.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG1472.
HOGENOM	HOG000248526.
KO	K01207.
OMA	VVLHCNG.
ProtClustDB	PRK05337.
Enzyme and pathway databases
BioCyc	SMAL522373:GJE8-3425-MONOMER.
UniPathway	UPA00544.
Family and domain databases
Gene3D	3.20.20.300. 1 hit.
HAMAP	MF_00364. NagZ.
InterPro	IPR022956. Beta_hexosaminidase_bac. IPR019800. Glyco_hydro_3_AS. IPR001764. Glyco_hydro_3_N. IPR017853. Glycoside_hydrolase_SF. [Graphical view]
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_STRMK

Accession

Primary (citable) accession number: B2FPW9

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	June 10, 2008
Last modified:	May 1, 2013
This is version 38 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program