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NAGZ_NITEU
ID   NAGZ_NITEU              Reviewed;         348 AA.
AC   Q82SJ8;
DT   24-MAY-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 104.
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=NE2320;
OS   Nitrosomonas europaea (strain ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC
OS   14298).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC   Nitrosomonadaceae; Nitrosomonas.
OX   NCBI_TaxID=228410;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC 14298;
RX   PubMed=12700255; DOI=10.1128/jb.185.9.2759-2773.2003;
RA   Chain P., Lamerdin J.E., Larimer F.W., Regala W., Lao V., Land M.L.,
RA   Hauser L., Hooper A.B., Klotz M.G., Norton J., Sayavedra-Soto L.A.,
RA   Arciero D.M., Hommes N.G., Whittaker M.M., Arp D.J.;
RT   "Complete genome sequence of the ammonia-oxidizing bacterium and obligate
RT   chemolithoautotroph Nitrosomonas europaea.";
RL   J. Bacteriol. 185:2759-2773(2003).
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; AL954747; CAD86232.1; -; Genomic_DNA.
DR   RefSeq; WP_011112804.1; NC_004757.1.
DR   AlphaFoldDB; Q82SJ8; -.
DR   SMR; Q82SJ8; -.
DR   STRING; 228410.NE2320; -.
DR   CAZy; GH3; Glycoside Hydrolase Family 3.
DR   EnsemblBacteria; CAD86232; CAD86232; NE2320.
DR   KEGG; neu:NE2320; -.
DR   eggNOG; COG1472; Bacteria.
DR   HOGENOM; CLU_008392_0_0_4; -.
DR   OMA; WQMAAEM; -.
DR   OrthoDB; 949956at2; -.
DR   PhylomeDB; Q82SJ8; -.
DR   UniPathway; UPA00544; -.
DR   Proteomes; UP000001416; 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..348
FT                   /note="Beta-hexosaminidase"
FT                   /id="PRO_0000210792"
FT   ACT_SITE        181
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   ACT_SITE        252
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         64
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         72
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         138
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   BINDING         168..169
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
FT   SITE            179
FT                   /note="Important for catalytic activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00364"
SQ   SEQUENCE   348 AA;  37871 MW;  5167C65A2B3CCD8C CRC64;
     MSLGPLMLDI AGTELTETDR VRLSHPLVGG VILFARNYAS PAQLAGLTAE IHALRYPSLL
     IAVDQEGGRV QRFRDGFARL PPMRVLGEIC DRNPDRAHHL ASQAGYVLAA ELKACGVDLS
     FTPVLDLDYG QSCVIGDRAF HREPQVVADL ACALMNGLQS AGMAAVGKHF PGHGAIRADT
     HVETAIDTRS YTDIEKEDLI PFRRMIDAGL SGIMAAHVIY PAIDQHSAGF SSRWLQRILR
     HDLGFEGCIF SDDLGMQAAR NYGSITRRAE QALQAGCDMV LVCNDADAAD ELLGSLHWEF
     SAASLARVEC MRGQHMIHSM AQLHEMERFL QAADEISKID PAGISVSL
 
 
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