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Protein

Beta-hexosaminidase

Gene

nagZ

Organism
Xylella fastidiosa (strain M23)
Status
Reviewed-Annotation score: 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.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 sitei60 – 601SubstrateUniRule annotation
Binding sitei68 – 681SubstrateUniRule annotation
Binding sitei133 – 1331SubstrateUniRule annotation
Sitei174 – 1741Important for catalytic activityUniRule annotation
Active sitei176 – 1761Proton donor/acceptorUniRule annotation
Active sitei247 – 2471NucleophileUniRule 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. cell wall organization Source: UniProtKB-KW
  5. peptidoglycan biosynthetic process Source: UniProtKB-KW
  6. peptidoglycan turnover Source: UniProtKB-HAMAP
  7. 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

BioCyciXFAS405441:GJJI-1503-MONOMER.
UniPathwayiUPA00544.

Protein family/group databases

CAZyiGH3. Glycoside Hydrolase Family 3.

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:XfasM23_1468
OrganismiXylella fastidiosa (strain M23)
Taxonomic identifieri405441 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaXanthomonadalesXanthomonadaceaeXylella
ProteomesiUP000001698 Componenti: Chromosome

Subcellular locationi

Cytoplasm 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 – 335335Beta-hexosaminidasePRO_1000121078Add
BLAST

Interactioni

Protein-protein interaction databases

STRINGi405441.XfasM23_1468.

Structurei

3D structure databases

ProteinModelPortaliB2I6G9.
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.
OMAiAGFSSYW.
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.

B2I6G9-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MLLIGVAGTT LSAQEVDWLQ DDAVAGVVLF KRNFASRAQI VELSAALREA
60 70 80 90 100
APRPLLLAVD QEGGRVQRFH EGYSALPPLQ GIGALYVRDP EAALELAFEH
110 120 130 140 150
AWLMASEVRA SGVDLSFAPV VDLGRGNRAI GDRAFSDDPH VVAAFAKAYV
160 170 180 190 200
QGMHAAGMPV TLKHFPGHGS VLEDTHVDLA VDVRALETLE SEDLVPFAAG
210 220 230 240 250
IAAGADAVMM AHVVYPNVAP EPAGFSAHWI EVILRGRMGF RGVVFSDDIG
260 270 280 290 300
MAAVRGVGGV VGCVHAHLDA GCDVVLVCHP ELVNDALSAV AGRRSNTAAL
310 320 330
IGLIGRGVLG WDGLLADVRY GSIQSHLFER FGTST
Length:335
Mass (Da):35,294
Last modified:June 9, 2008 - v1
Checksum:iD226818D0FF0C8D1
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP001011 Genomic DNA. Translation: ACB92879.1.
RefSeqiYP_001830153.1. NC_010577.1.

Genome annotation databases

EnsemblBacteriaiACB92879; ACB92879; XfasM23_1468.
GeneIDi6203766.
KEGGixfn:XfasM23_1468.
PATRICi24145273. VBIXylFas85937_1805.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP001011 Genomic DNA. Translation: ACB92879.1.
RefSeqiYP_001830153.1. NC_010577.1.

3D structure databases

ProteinModelPortaliB2I6G9.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi405441.XfasM23_1468.

Protein family/group databases

CAZyiGH3. Glycoside Hydrolase Family 3.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiACB92879; ACB92879; XfasM23_1468.
GeneIDi6203766.
KEGGixfn:XfasM23_1468.
PATRICi24145273. VBIXylFas85937_1805.

Phylogenomic databases

eggNOGiCOG1472.
HOGENOMiHOG000248526.
KOiK01207.
OMAiAGFSSYW.
OrthoDBiEOG6BCT06.

Enzyme and pathway databases

UniPathwayiUPA00544.
BioCyciXFAS405441:GJJI-1503-MONOMER.

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]
ProtoNetiSearch...

Publicationsi

  1. "Whole genome sequences of two Xylella fastidiosa strains (M12 and M23) causing almond leaf scorch disease in California."
    Chen J., Xie G., Han S., Chertkov O., Sims D., Civerolo E.L.
    J. Bacteriol. 192:4534-4534(2009) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: M23.

Entry informationi

Entry nameiNAGZ_XYLF2
AccessioniPrimary (citable) accession number: B2I6G9
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 13, 2009
Last sequence update: June 9, 2008
Last modified: March 3, 2015
This is version 47 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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.