ID A0A1H8DN39_9ACTN Unreviewed; 283 AA.
AC A0A1H8DN39;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 24-JAN-2024, entry version 19.
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 ORFNames=SAMN05216267_1001184 {ECO:0000313|EMBL:SEN08224.1};
OS Actinacidiphila rubida.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Actinacidiphila.
OX NCBI_TaxID=310780 {ECO:0000313|EMBL:SEN08224.1, ECO:0000313|Proteomes:UP000181951};
RN [1] {ECO:0000313|EMBL:SEN08224.1, ECO:0000313|Proteomes:UP000181951}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CGMCC 4.2026 {ECO:0000313|EMBL:SEN08224.1,
RC ECO:0000313|Proteomes:UP000181951};
RA de Groot N.N.;
RL Submitted (OCT-2016) 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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; FODD01000001; SEN08224.1; -; Genomic_DNA.
DR RefSeq; WP_069461816.1; NZ_MDCQ01000022.1.
DR AlphaFoldDB; A0A1H8DN39; -.
DR STRING; 310780.SAMN05216267_1001184; -.
DR OrthoDB; 158614at2; -.
DR Proteomes; UP000181951; Unassembled WGS sequence.
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:UP000181951};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_01482}.
FT BINDING 11
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01482"
FT BINDING 14
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01482"
FT BINDING 139
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01482"
SQ SEQUENCE 283 AA; 30717 MW; FA1115121660F2D3 CRC64;
MVLRIMAVHA HPDDESSKGA ATLAHYAAQG VEATVVTCTG GERGDVLNPL LDTPEVRADL
PAVRRREMAA AAAVLGVRQR FLGFADSGLV AEGEPLPDGC FALQDVAVAA ERLVAVIREI
RPHVVVTYDP SGGYPHPDHV QTHRVAVAAF DAAGEEAAYP DAGPAWRPDK LYYLAAYSRS
WFETLHNGML AAGVPSAMGA VLDDWPDWAP DLSPTTRVVC DGHFATRDRA FRAHATQAAP
DAPFFAHPRD LERRLWPTED YVLARSRRPA RLPEANLFDG IQE
//