ID MSHD_THEFY Reviewed; 323 AA.
AC Q47LA0;
DT 02-NOV-2010, integrated into UniProtKB/Swiss-Prot.
DT 13-SEP-2005, sequence version 1.
DT 27-MAR-2024, entry version 116.
DE RecName: Full=Mycothiol acetyltransferase {ECO:0000255|HAMAP-Rule:MF_01698};
DE Short=MSH acetyltransferase {ECO:0000255|HAMAP-Rule:MF_01698};
DE EC=2.3.1.189 {ECO:0000255|HAMAP-Rule:MF_01698};
DE AltName: Full=Mycothiol synthase {ECO:0000255|HAMAP-Rule:MF_01698};
GN Name=mshD {ECO:0000255|HAMAP-Rule:MF_01698}; OrderedLocusNames=Tfu_2739;
OS Thermobifida fusca (strain YX).
OC Bacteria; Actinomycetota; Actinomycetes; Streptosporangiales;
OC Nocardiopsaceae; Thermobifida.
OX NCBI_TaxID=269800;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YX;
RX PubMed=17209016; DOI=10.1128/jb.01899-06;
RA Lykidis A., Mavromatis K., Ivanova N., Anderson I., Land M., DiBartolo G.,
RA Martinez M., Lapidus A., Lucas S., Copeland A., Richardson P., Wilson D.B.,
RA Kyrpides N.;
RT "Genome sequence and analysis of the soil cellulolytic actinomycete
RT Thermobifida fusca YX.";
RL J. Bacteriol. 189:2477-2486(2007).
CC -!- FUNCTION: Catalyzes the transfer of acetyl from acetyl-CoA to
CC desacetylmycothiol (Cys-GlcN-Ins) to form mycothiol.
CC {ECO:0000255|HAMAP-Rule:MF_01698}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1D-myo-inositol 2-(L-cysteinylamino)-2-deoxy-alpha-D-
CC glucopyranoside + acetyl-CoA = CoA + H(+) + mycothiol;
CC Xref=Rhea:RHEA:26172, ChEBI:CHEBI:15378, ChEBI:CHEBI:16768,
CC ChEBI:CHEBI:57287, ChEBI:CHEBI:57288, ChEBI:CHEBI:58887;
CC EC=2.3.1.189; Evidence={ECO:0000255|HAMAP-Rule:MF_01698};
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_01698}.
CC -!- SIMILARITY: Belongs to the acetyltransferase family. MshD subfamily.
CC {ECO:0000255|HAMAP-Rule:MF_01698}.
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DR EMBL; CP000088; AAZ56772.1; -; Genomic_DNA.
DR AlphaFoldDB; Q47LA0; -.
DR SMR; Q47LA0; -.
DR STRING; 269800.Tfu_2739; -.
DR KEGG; tfu:Tfu_2739; -.
DR eggNOG; COG0456; Bacteria.
DR HOGENOM; CLU_068014_0_0_11; -.
DR OrthoDB; 3208058at2; -.
DR GO; GO:0035447; F:mycothiol synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0010125; P:mycothiol biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd04301; NAT_SF; 2.
DR Gene3D; 3.40.630.30; -; 1.
DR HAMAP; MF_01698; MshD; 1.
DR InterPro; IPR016181; Acyl_CoA_acyltransferase.
DR InterPro; IPR000182; GNAT_dom.
DR InterPro; IPR017813; Mycothiol_AcTrfase.
DR NCBIfam; TIGR03448; mycothiol_MshD; 1.
DR PANTHER; PTHR43617; L-AMINO ACID N-ACETYLTRANSFERASE; 1.
DR PANTHER; PTHR43617:SF31; MYCOTHIOL ACETYLTRANSFERASE; 1.
DR Pfam; PF00583; Acetyltransf_1; 1.
DR Pfam; PF13508; Acetyltransf_7; 1.
DR PIRSF; PIRSF021524; MSH_acetyltransferase; 1.
DR SUPFAM; SSF55729; Acyl-CoA N-acyltransferases (Nat); 1.
DR PROSITE; PS51186; GNAT; 2.
PE 3: Inferred from homology;
KW Acyltransferase; Repeat; Transferase.
FT CHAIN 1..323
FT /note="Mycothiol acetyltransferase"
FT /id="PRO_0000400307"
FT DOMAIN 5..145
FT /note="N-acetyltransferase 1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
FT DOMAIN 168..323
FT /note="N-acetyltransferase 2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
FT BINDING 36
FT /ligand="1D-myo-inositol 2-(L-cysteinylamino)-2-deoxy-
FT alpha-D-glucopyranoside"
FT /ligand_id="ChEBI:CHEBI:58887"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
FT BINDING 83..85
FT /ligand="acetyl-CoA"
FT /ligand_id="ChEBI:CHEBI:57288"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
FT BINDING 195
FT /ligand="1D-myo-inositol 2-(L-cysteinylamino)-2-deoxy-
FT alpha-D-glucopyranoside"
FT /ligand_id="ChEBI:CHEBI:58887"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
FT BINDING 236
FT /ligand="1D-myo-inositol 2-(L-cysteinylamino)-2-deoxy-
FT alpha-D-glucopyranoside"
FT /ligand_id="ChEBI:CHEBI:58887"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
FT BINDING 252
FT /ligand="1D-myo-inositol 2-(L-cysteinylamino)-2-deoxy-
FT alpha-D-glucopyranoside"
FT /ligand_id="ChEBI:CHEBI:58887"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
FT BINDING 256..258
FT /ligand="acetyl-CoA"
FT /ligand_id="ChEBI:CHEBI:57288"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
FT BINDING 263..269
FT /ligand="acetyl-CoA"
FT /ligand_id="ChEBI:CHEBI:57288"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
FT BINDING 290
FT /ligand="1D-myo-inositol 2-(L-cysteinylamino)-2-deoxy-
FT alpha-D-glucopyranoside"
FT /ligand_id="ChEBI:CHEBI:58887"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
FT BINDING 295..300
FT /ligand="acetyl-CoA"
FT /ligand_id="ChEBI:CHEBI:57288"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01698"
SQ SEQUENCE 323 AA; 35751 MW; 2D69F6FE565195B8 CRC64;
MSHILTTDTL SPEQVAAVLA LAEAVRDADG VAALSEQTLL RVRHGARGRG RFHLAYVDAE
QGRVLAGCAF AEVSPGEPDS AEVAVAPQWR RHGLGRRLLD ELWAHADARG LRVWAHGDLA
PARALAASAG LQRMRALWKM RLPLRGTDSA PAATLPEPAL RPEVAQQVEI RTFRVGVDEQ
EWLRTNARAF ADHPEQGALT LEDLQQREQE PWFDPEGFFV AVDRGSGRIA GFHWTKVHDD
GAGLTDGEPV GEVYVVGVDP DWQGSGLGRV LTLRGLHHLR DRGLPWVLLY VDEENRPAVQ
LYRSLGFELW ESDVMYGRVP EER
//
