ID J7LAC6_NOCAA Unreviewed; 292 AA.
AC J7LAC6;
DT 31-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 31-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 45.
DE RecName: Full=Mycothiol S-conjugate amidase {ECO:0000256|HAMAP-Rule:MF_01482};
DE EC=3.5.1.115 {ECO:0000256|HAMAP-Rule:MF_01482};
GN Name=mca {ECO:0000256|HAMAP-Rule:MF_01482,
GN ECO:0000313|EMBL:AFR09616.1};
GN OrderedLocusNames=B005_2887 {ECO:0000313|EMBL:AFR09616.1};
OS Nocardiopsis alba (strain ATCC BAA-2165 / BE74).
OC Bacteria; Actinomycetota; Actinomycetes; Streptosporangiales;
OC Nocardiopsaceae; Nocardiopsis.
OX NCBI_TaxID=1205910 {ECO:0000313|EMBL:AFR09616.1, ECO:0000313|Proteomes:UP000003779};
RN [1] {ECO:0000313|EMBL:AFR09616.1, ECO:0000313|Proteomes:UP000003779}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-2165 / BE74 {ECO:0000313|Proteomes:UP000003779};
RX PubMed=23105086; DOI=10.1128/JB.01522-12;
RA Qiao J., Chen L., Li Y., Wang J., Zhang W., Chen S.;
RT "Whole-Genome Sequence of Nocardiopsis alba Strain ATCC BAA-2165,
RT Associated with Honeybees.";
RL J. Bacteriol. 194:6358-6359(2012).
RN [2] {ECO:0000313|Proteomes:UP000003779}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-2165 / BE74 {ECO:0000313|Proteomes:UP000003779};
RA Qiao J., Chen L., Li Y., Wang J., Zhang W., Chen S.;
RT "Whole-genome sequence of Nocardiopsis alba strain ATCC BAA-2165 associated
RT with honeybees.";
RL Submitted (AUG-2012) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: A mycothiol (MSH, N-acetylcysteinyl-glucosaminyl-inositol) S-
CC conjugate amidase, it recycles conjugated MSH to the N-acetyl cysteine
CC conjugate (AcCys S-conjugate, a mercapturic acid) and the MSH
CC precursor. Involved in MSH-dependent detoxification of a number of
CC alkylating agents and antibiotics. {ECO:0000256|HAMAP-Rule:MF_01482}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + mycothiol S-conjugate = 1D-myo-inositol 2-amino-2-deoxy-
CC alpha-D-glucopyranoside + an N-acetyl-L-cysteine-S-conjugate;
CC Xref=Rhea:RHEA:36543, ChEBI:CHEBI:15377, ChEBI:CHEBI:58718,
CC ChEBI:CHEBI:58886, ChEBI:CHEBI:59633; EC=3.5.1.115;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01482};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01482};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01482};
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_01482}.
CC -!- SIMILARITY: Belongs to the MshB deacetylase family. Mca subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_01482}.
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DR EMBL; CP003788; AFR09616.1; -; Genomic_DNA.
DR RefSeq; WP_014912071.1; NC_018524.1.
DR AlphaFoldDB; J7LAC6; -.
DR STRING; 1205910.B005_2887; -.
DR KEGG; nal:B005_2887; -.
DR PATRIC; fig|1205910.3.peg.2728; -.
DR eggNOG; COG2120; Bacteria.
DR HOGENOM; CLU_049311_2_2_11; -.
DR OMA; QEWLGFV; -.
DR Proteomes; UP000003779; Chromosome.
DR GO; GO:0016787; F:hydrolase activity; IEA:UniProtKB-KW.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0010126; P:mycothiol metabolic process; IEA:UniProtKB-UniRule.
DR GO; GO:0010127; P:mycothiol-dependent detoxification; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.10320; LmbE-like; 1.
DR HAMAP; MF_01482; Mca; 1.
DR InterPro; IPR003737; GlcNAc_PI_deacetylase-related.
DR InterPro; IPR024078; LmbE-like_dom_sf.
DR InterPro; IPR017811; Mca.
DR NCBIfam; TIGR03446; mycothiol_Mca; 1.
DR PANTHER; PTHR12993:SF11; N-ACETYLGLUCOSAMINYL-PHOSPHATIDYLINOSITOL DE-N-ACETYLASE; 1.
DR PANTHER; PTHR12993; N-ACETYLGLUCOSAMINYL-PHOSPHATIDYLINOSITOL DE-N-ACETYLASE-RELATED; 1.
DR Pfam; PF02585; PIG-L; 1.
DR SUPFAM; SSF102588; LmbE-like; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_01482};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01482};
KW Reference proteome {ECO:0000313|Proteomes:UP000003779};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_01482}.
FT BINDING 13
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01482"
FT BINDING 16
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01482"
FT BINDING 143
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01482"
SQ SEQUENCE 292 AA; 32997 MW; 74DAA1F79FE3FA26 CRC64;
MSERLRLMAV HAHPDDESSK GAATMARYVQ EGAEVLVVTM TGGERGDILN PAMERPEIRE
NIAEVRRQEM DRAREILGIE QEFAGFVDSG LPEGDPLPPL PEGCFATLPV EEAAAPLVAA
IRRFRPHVIL TYDENGGYPH PDHIMTHKAS MHAFDAAPEP EAYPEAGEPW QPLKLYYFVG
FPPERFDALA RTLAEHGMEN PFEEWAARVK DMERRRWEIT TRVHCSEYFE VANDALRAHA
TQIDPNGFWF AVPNEIVAEA WPTEDYHLVR SLVDTEVPEK DLFAGVREAV RV
//