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NAGZ_XANCB
ID   NAGZ_XANCB              Reviewed;         331 AA.
AC   B0RX17;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=Beta-hexosaminidase {ECO:0000255|HAMAP-Rule:MF_00364};
DE            EC=3.2.1.52 {ECO:0000255|HAMAP-Rule:MF_00364};
DE   AltName: Full=Beta-N-acetylhexosaminidase {ECO:0000255|HAMAP-Rule:MF_00364};
DE   AltName: Full=N-acetyl-beta-glucosaminidase {ECO:0000255|HAMAP-Rule:MF_00364};
GN   Name=nagZ {ECO:0000255|HAMAP-Rule:MF_00364};
GN   OrderedLocusNames=xcc-b100_3020;
OS   Xanthomonas campestris pv. campestris (strain B100).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xanthomonas.
OX   NCBI_TaxID=509169;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=B100;
RX   PubMed=18304669; DOI=10.1016/j.jbiotec.2007.12.013;
RA   Vorhoelter F.-J., Schneiker S., Goesmann A., Krause L., Bekel T.,
RA   Kaiser O., Linke B., Patschkowski T., Rueckert C., Schmid J., Sidhu V.K.,
RA   Sieber V., Tauch A., Watt S.A., Weisshaar B., Becker A., Niehaus K.,
RA   Puehler A.;
RT   "The genome of Xanthomonas campestris pv. campestris B100 and its use for
RT   the reconstruction of metabolic pathways involved in xanthan
RT   biosynthesis.";
RL   J. Biotechnol. 134:33-45(2008).
CC   -!- FUNCTION: Plays a role in peptidoglycan recycling by cleaving the
CC       terminal beta-1,4-linked N-acetylglucosamine (GlcNAc) from peptide-
CC       linked peptidoglycan fragments, giving rise to free GlcNAc, anhydro-N-
CC       acetylmuramic acid and anhydro-N-acetylmuramic acid-linked peptides.
CC       {ECO:0000255|HAMAP-Rule:MF_00364}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Hydrolysis of terminal non-reducing N-acetyl-D-hexosamine
CC         residues in N-acetyl-beta-D-hexosaminides.; EC=3.2.1.52;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00364};
CC   -!- PATHWAY: Cell wall biogenesis; peptidoglycan recycling.
CC       {ECO:0000255|HAMAP-Rule:MF_00364}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00364}.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 3 family. NagZ subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00364}.
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DR   EMBL; AM920689; CAP52383.1; -; Genomic_DNA.
DR   AlphaFoldDB; B0RX17; -.
DR   SMR; B0RX17; -.
DR   KEGG; xca:xcc-b100_3020; -.
DR   HOGENOM; CLU_008392_0_0_6; -.
DR   OMA; WQMAAEM; -.
DR   UniPathway; UPA00544; -.
DR   Proteomes; UP000001188; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004563; F:beta-N-acetylhexosaminidase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0102148; F:N-acetyl-beta-D-galactosaminidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:InterPro.
DR   GO; GO:0007049; P:cell cycle; IEA:UniProtKB-KW.
DR   GO; GO:0051301; P:cell division; IEA:UniProtKB-KW.
DR   GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR   GO; GO:0009252; P:peptidoglycan biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0009254; P:peptidoglycan turnover; IEA:UniProtKB-UniRule.
DR   GO; GO:0008360; P:regulation of cell shape; IEA:UniProtKB-KW.
DR   Gene3D; 3.20.20.300; -; 1.
DR   HAMAP; MF_00364; NagZ; 1.
DR   InterPro; IPR022956; Beta_hexosaminidase_bac.
DR   InterPro; IPR019800; Glyco_hydro_3_AS.
DR   InterPro; IPR001764; Glyco_hydro_3_N.
DR   InterPro; IPR036962; Glyco_hydro_3_N_sf.
DR   InterPro; IPR017853; Glycoside_hydrolase_SF.
DR   Pfam; PF00933; Glyco_hydro_3; 1.
DR   SUPFAM; SSF51445; SSF51445; 1.
DR   PROSITE; PS00775; GLYCOSYL_HYDROL_F3; 1.
PE   3: Inferred from homology;
KW   Cell cycle; Cell division; Cell shape; Cell wall biogenesis/degradation;
KW   Cytoplasm; Glycosidase; Hydrolase; Peptidoglycan synthesis.
FT   CHAIN           1..331
FT                   /note="Beta-hexosaminidase"
FT                   /id="PRO_1000121077"
FT   ACT_SITE        176
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   ACT_SITE        247
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         60
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         68
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         133
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         163..164
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   SITE            174
FT                   /note="Important for catalytic activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
SQ   SEQUENCE   331 AA;  34516 MW;  0A1036216FD88174 CRC64;
     MLLIGVAGTE LSAQERDWLQ HDAVAGVVLF KRNFASRTQV AELSAAIRAA APRPQLICVD
     QEGGRVQRFR EGYSALAPLQ SFGALYATDP EGALAQARAH AQLMASEVRA SGVDLSFAPV
     VDLARGNRAI GDRAFSDDPQ VVASFTRAYV QALHAAGMGA TLKHFPGHGT VLEDTHVDHA
     SDPRPLDVLL AEDLVPFVAG IDAGADAVMM AHVVYPQVAP EPAGYASRWI EQILRGQLGF
     RGVVFSDDIG MAASFSAGGV AGRVHAHLDA GCDVVLVCHP ELVAESLQAV AGRTLNTAAL
     IGLIGRGALG WDGLLADAPT TSLSASFGTL A
 
 
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