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NAGZ_SHEFN
ID   NAGZ_SHEFN              Reviewed;         341 AA.
AC   Q080R9;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   31-OCT-2006, sequence version 1.
DT   03-AUG-2022, entry version 85.
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}; OrderedLocusNames=Sfri_2401;
OS   Shewanella frigidimarina (strain NCIMB 400).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=318167;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NCIMB 400;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Fredrickson J.K., Kolker E., McCuel L.A., DiChristina T., Nealson K.H.,
RA   Newman D., Tiedje J.M., Zhou J., Romine M.F., Culley D.E., Serres M.,
RA   Chertkov O., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Richardson P.;
RT   "Complete sequence of Shewanella frigidimarina NCIMB 400.";
RL   Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000447; ABI72246.1; -; Genomic_DNA.
DR   RefSeq; WP_011637855.1; NC_008345.1.
DR   AlphaFoldDB; Q080R9; -.
DR   SMR; Q080R9; -.
DR   STRING; 318167.Sfri_2401; -.
DR   CAZy; GH3; Glycoside Hydrolase Family 3.
DR   EnsemblBacteria; ABI72246; ABI72246; Sfri_2401.
DR   KEGG; sfr:Sfri_2401; -.
DR   eggNOG; COG1472; Bacteria.
DR   HOGENOM; CLU_008392_0_0_6; -.
DR   OMA; WQMAAEM; -.
DR   OrthoDB; 949956at2; -.
DR   UniPathway; UPA00544; -.
DR   Proteomes; UP000000684; 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;
KW   Reference proteome.
FT   CHAIN           1..341
FT                   /note="Beta-hexosaminidase"
FT                   /id="PRO_1000005661"
FT   ACT_SITE        177
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   ACT_SITE        249
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         61
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         69
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         134
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         164..165
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   SITE            175
FT                   /note="Important for catalytic activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
SQ   SEQUENCE   341 AA;  36725 MW;  D04ECC4AB87470C0 CRC64;
     MSYLMMDLAG LTVSATETAQ LQHPQVGGII LFSRNCENKN QLIELVKSVR SIRPELLIAV
     DHEGGRVQRF REGFSLIPAM GDILPAAKGD LTLAKQWAKE CGFLMAVELL ACDIDLSFAP
     VLDVNGISEV IGKRSFSAVP DEVSALAQQF IIGMNEAGMA AVGKHFPGHG SVAADSHIAM
     PVDPRTKEQV EAFDMQPFKH LIGSQQLQGV MPAHVVYSNI DPNPAGFSSY WLQTILRQQL
     GFDGVIFSDD LGMKGASFAG NYLGRAKAAL DAGCDMILVC NDSVGVNALL TEFDWPAAEP
     THTALSLKGN TAQASQALEQ QTRWQAAQLL AMDITRIAQS L
 
 
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