META1_ILYPC
ID META1_ILYPC Reviewed; 302 AA.
AC E3H7X6;
DT 07-JUN-2017, integrated into UniProtKB/Swiss-Prot.
DT 11-JAN-2011, sequence version 1.
DT 03-AUG-2022, entry version 68.
DE RecName: Full=Homoserine O-acetyltransferase 1 {ECO:0000255|HAMAP-Rule:MF_00295};
DE Short=HAT 1 {ECO:0000255|HAMAP-Rule:MF_00295};
DE EC=2.3.1.31 {ECO:0000255|HAMAP-Rule:MF_00295, ECO:0000269|PubMed:28581482};
DE AltName: Full=Homoserine transacetylase 1 {ECO:0000255|HAMAP-Rule:MF_00295};
DE Short=HTA 1 {ECO:0000255|HAMAP-Rule:MF_00295};
GN Name=metAA1 {ECO:0000255|HAMAP-Rule:MF_00295, ECO:0000303|PubMed:28581482};
GN OrderedLocusNames=Ilyop_1147 {ECO:0000312|EMBL:ADO82928.1};
OS Ilyobacter polytropus (strain ATCC 51220 / DSM 2926 / LMG 16218 / CuHBu1).
OC Bacteria; Fusobacteria; Fusobacteriales; Fusobacteriaceae; Ilyobacter.
OX NCBI_TaxID=572544;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51220 / DSM 2926 / LMG 16218 / CuHBu1;
RX PubMed=21304735; DOI=10.4056/sigs.1273360;
RA Sikorski J., Chertkov O., Lapidus A., Nolan M., Lucas S., Del Rio T.G.,
RA Tice H., Cheng J.F., Tapia R., Han C., Goodwin L., Pitluck S., Liolios K.,
RA Ivanova N., Mavromatis K., Mikhailova N., Pati A., Chen A., Palaniappan K.,
RA Land M., Hauser L., Chang Y.J., Jeffries C.D., Brambilla E., Yasawong M.,
RA Rohde M., Pukall R., Spring S., Goker M., Woyke T., Bristow J., Eisen J.A.,
RA Markowitz V., Hugenholtz P., Kyrpides N.C., Klenk H.P.;
RT "Complete genome sequence of Ilyobacter polytropus type strain (CuHbu1).";
RL Stand. Genomic Sci. 3:304-314(2010).
RN [2]
RP FUNCTION, AND CATALYTIC ACTIVITY.
RX PubMed=28581482; DOI=10.1038/nchembio.2397;
RA Bastard K., Perret A., Mariage A., Bessonnet T., Pinet-Turpault A.,
RA Petit J.L., Darii E., Bazire P., Vergne-Vaxelaire C., Brewee C., Debard A.,
RA Pellouin V., Besnard-Gonnet M., Artiguenave F., Medigue C., Vallenet D.,
RA Danchin A., Zaparucha A., Weissenbach J., Salanoubat M., de Berardinis V.;
RT "Parallel evolution of non-homologous isofunctional enzymes in methionine
RT biosynthesis.";
RL Nat. Chem. Biol. 13:858-866(2017).
CC -!- FUNCTION: Transfers an acetyl group from acetyl-CoA to L-homoserine,
CC forming acetyl-L-homoserine. {ECO:0000255|HAMAP-Rule:MF_00295,
CC ECO:0000269|PubMed:28581482}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=acetyl-CoA + L-homoserine = CoA + O-acetyl-L-homoserine;
CC Xref=Rhea:RHEA:13701, ChEBI:CHEBI:57287, ChEBI:CHEBI:57288,
CC ChEBI:CHEBI:57476, ChEBI:CHEBI:57716; EC=2.3.1.31;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00295,
CC ECO:0000269|PubMed:28581482};
CC -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de novo
CC pathway; O-acetyl-L-homoserine from L-homoserine: step 1/1.
CC {ECO:0000255|HAMAP-Rule:MF_00295}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00295}.
CC -!- SIMILARITY: Belongs to the MetA family. {ECO:0000255|HAMAP-
CC Rule:MF_00295}.
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DR EMBL; CP002281; ADO82928.1; -; Genomic_DNA.
DR RefSeq; WP_013387595.1; NC_014632.1.
DR AlphaFoldDB; E3H7X6; -.
DR SMR; E3H7X6; -.
DR STRING; 572544.Ilyop_1147; -.
DR EnsemblBacteria; ADO82928; ADO82928; Ilyop_1147.
DR KEGG; ipo:Ilyop_1147; -.
DR eggNOG; COG1897; Bacteria.
DR HOGENOM; CLU_057851_0_1_0; -.
DR OMA; WLWFCYQ; -.
DR OrthoDB; 1601420at2; -.
DR UniPathway; UPA00051; UER00074.
DR Proteomes; UP000006875; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004414; F:homoserine O-acetyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0008899; F:homoserine O-succinyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0019281; P:L-methionine biosynthetic process from homoserine via O-succinyl-L-homoserine and cystathionine; IEA:InterPro.
DR CDD; cd03131; GATase1_HTS; 1.
DR Gene3D; 3.40.50.880; -; 1.
DR HAMAP; MF_00295; MetA_acyltransf; 1.
DR InterPro; IPR029062; Class_I_gatase-like.
DR InterPro; IPR005697; HST_MetA.
DR InterPro; IPR033752; MetA_family.
DR PANTHER; PTHR20919; PTHR20919; 1.
DR Pfam; PF04204; HTS; 1.
DR PIRSF; PIRSF000450; H_ser_succinyltr; 1.
DR SUPFAM; SSF52317; SSF52317; 1.
DR TIGRFAMs; TIGR01001; metA; 1.
PE 1: Evidence at protein level;
KW Acyltransferase; Amino-acid biosynthesis; Cytoplasm;
KW Methionine biosynthesis; Reference proteome; Transferase.
FT CHAIN 1..302
FT /note="Homoserine O-acetyltransferase 1"
FT /id="PRO_0000440341"
FT ACT_SITE 142
FT /note="Acyl-thioester intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT ACT_SITE 235
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT ACT_SITE 237
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT BINDING 163
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT BINDING 192
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT BINDING 249
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT SITE 111
FT /note="Important for acyl-CoA specificity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT SITE 192
FT /note="Important for substrate specificity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
SQ SEQUENCE 302 AA; 35206 MW; 5F474116C42F2880 CRC64;
MPIVIPKKLP AFDTLKGENI FVMNKSRAFS QDIRPLKIVI LNLMPNKIVT ETQLLRLLGN
TPLQIEITLL KTRTYASKNT SQDHLTSFYK TFEDIKNHTF DGLIITGAPI EHLQFEDVDY
WEELKEVMEF SKSNVTSTMH ICWGSQAGLY YHYGIPKFPT DKKIFGIFKH KIFNLKTKIT
RGFDDEFLVP HSRHTTVMRG DIENVPELEI LAESEDAGIC LVATRDRKHI FISGHLEYEK
DTLKSEYFRD LDKGRSIDIP KNYFKDDNPE NDPVVTWRAH AHLLFSNWLN YCVYQETPYI
LK
