METXA_LISIN
ID METXA_LISIN Reviewed; 368 AA.
AC Q92E58;
DT 23-APR-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-DEC-2001, sequence version 1.
DT 03-AUG-2022, entry version 113.
DE RecName: Full=Homoserine O-acetyltransferase {ECO:0000255|HAMAP-Rule:MF_00296};
DE Short=HAT {ECO:0000255|HAMAP-Rule:MF_00296};
DE EC=2.3.1.31 {ECO:0000255|HAMAP-Rule:MF_00296};
DE AltName: Full=Homoserine transacetylase {ECO:0000255|HAMAP-Rule:MF_00296};
DE Short=HTA {ECO:0000255|HAMAP-Rule:MF_00296};
GN Name=metXA {ECO:0000255|HAMAP-Rule:MF_00296}; OrderedLocusNames=lin0603;
OS Listeria innocua serovar 6a (strain ATCC BAA-680 / CLIP 11262).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Listeriaceae; Listeria.
OX NCBI_TaxID=272626;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-680 / CLIP 11262;
RX PubMed=11679669; DOI=10.1126/science.1063447;
RA Glaser P., Frangeul L., Buchrieser C., Rusniok C., Amend A., Baquero F.,
RA Berche P., Bloecker H., Brandt P., Chakraborty T., Charbit A.,
RA Chetouani F., Couve E., de Daruvar A., Dehoux P., Domann E.,
RA Dominguez-Bernal G., Duchaud E., Durant L., Dussurget O., Entian K.-D.,
RA Fsihi H., Garcia-del Portillo F., Garrido P., Gautier L., Goebel W.,
RA Gomez-Lopez N., Hain T., Hauf J., Jackson D., Jones L.-M., Kaerst U.,
RA Kreft J., Kuhn M., Kunst F., Kurapkat G., Madueno E., Maitournam A.,
RA Mata Vicente J., Ng E., Nedjari H., Nordsiek G., Novella S., de Pablos B.,
RA Perez-Diaz J.-C., Purcell R., Remmel B., Rose M., Schlueter T., Simoes N.,
RA Tierrez A., Vazquez-Boland J.-A., Voss H., Wehland J., Cossart P.;
RT "Comparative genomics of Listeria species.";
RL Science 294:849-852(2001).
CC -!- FUNCTION: Transfers an acetyl group from acetyl-CoA to L-homoserine,
CC forming acetyl-L-homoserine. {ECO:0000255|HAMAP-Rule:MF_00296}.
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_00296};
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_00296}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00296}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00296}.
CC -!- SIMILARITY: Belongs to the AB hydrolase superfamily. MetX family.
CC {ECO:0000255|HAMAP-Rule:MF_00296}.
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DR EMBL; AL596165; CAC95835.1; -; Genomic_DNA.
DR PIR; AC1508; AC1508.
DR RefSeq; WP_003760766.1; NC_003212.1.
DR AlphaFoldDB; Q92E58; -.
DR SMR; Q92E58; -.
DR STRING; 272626.lin0603; -.
DR ESTHER; lismo-metx; Homoserine_transacetylase.
DR EnsemblBacteria; CAC95835; CAC95835; CAC95835.
DR KEGG; lin:lin0603; -.
DR eggNOG; COG2021; Bacteria.
DR HOGENOM; CLU_028760_1_2_9; -.
DR OMA; TRFCVVS; -.
DR OrthoDB; 536745at2; -.
DR UniPathway; UPA00051; UER00074.
DR Proteomes; UP000002513; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004414; F:homoserine O-acetyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.1820; -; 1.
DR HAMAP; MF_00296; MetX_acyltransf; 1.
DR InterPro; IPR029058; AB_hydrolase.
DR InterPro; IPR000073; AB_hydrolase_1.
DR InterPro; IPR008220; HAT_MetX-like.
DR PANTHER; PTHR32268; PTHR32268; 1.
DR Pfam; PF00561; Abhydrolase_1; 1.
DR PIRSF; PIRSF000443; Homoser_Ac_trans; 1.
DR SUPFAM; SSF53474; SSF53474; 1.
DR TIGRFAMs; TIGR01392; homoserO_Ac_trn; 1.
PE 3: Inferred from homology;
KW Acyltransferase; Amino-acid biosynthesis; Cytoplasm;
KW Methionine biosynthesis; Transferase.
FT CHAIN 1..368
FT /note="Homoserine O-acetyltransferase"
FT /id="PRO_0000155724"
FT DOMAIN 43..346
FT /note="AB hydrolase-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT ACT_SITE 145
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT ACT_SITE 307
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT ACT_SITE 340
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT BINDING 212
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT BINDING 341
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
SQ SEQUENCE 368 AA; 40991 MW; 3E58E705F615EC39 CRC64;
MTLQQKELFQ KSPLLLENGE TLSPVLVGYE TYGTLSASRD NCILLEHALT GTAHAAKHFE
DDAPGWWDDY IGPGKTIDTD KYFLVCTNVF GGCSGTTGPS SINPKTGEPF RLQFPGFSIK
DIIKVQRELL EQLGVTRIVS VIGGSMGGMQ ATEWAIDYAD ITDSIINIAS PLAAGPDAIG
YNLIMRMAIL NDPDFNGGNY IGQPEGGLAT ARMVGMMTYR TSELFSKRFE RFTVAESSPA
AFSKEHFQIE SYLQYQGDTF VERFDANSYL YLTKAIDLFD VTAPAKDDLP AFSKIKIPYL
LIGITTDQLF RIHDLRRGYE LLKEWDVPVT YHEVASEYGH DAFLVEKEVP KFEPLIRSFL
NNLPVKSI