ID   METAS_AERHH             Reviewed;         317 AA.
AC   A0KFJ6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-DEC-2006, sequence version 1.
DT   03-AUG-2022, entry version 90.
DE   RecName: Full=Homoserine O-succinyltransferase {ECO:0000255|HAMAP-Rule:MF_00295};
DE            Short=HST {ECO:0000255|HAMAP-Rule:MF_00295};
DE            EC=2.3.1.46 {ECO:0000255|HAMAP-Rule:MF_00295};
DE   AltName: Full=Homoserine transsuccinylase {ECO:0000255|HAMAP-Rule:MF_00295};
DE            Short=HTS {ECO:0000255|HAMAP-Rule:MF_00295};
GN   Name=metAS {ECO:0000255|HAMAP-Rule:MF_00295}; OrderedLocusNames=AHA_0489;
OS   Aeromonas hydrophila subsp. hydrophila (strain ATCC 7966 / DSM 30187 / BCRC
OS   13018 / CCUG 14551 / JCM 1027 / KCTC 2358 / NCIMB 9240 / NCTC 8049).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Aeromonadales;
OC   Aeromonadaceae; Aeromonas.
OX   NCBI_TaxID=380703;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 7966 / DSM 30187 / BCRC 13018 / CCUG 14551 / JCM 1027 / KCTC
RC   2358 / NCIMB 9240 / NCTC 8049;
RX   PubMed=16980456; DOI=10.1128/jb.00621-06;
RA   Seshadri R., Joseph S.W., Chopra A.K., Sha J., Shaw J., Graf J., Haft D.H.,
RA   Wu M., Ren Q., Rosovitz M.J., Madupu R., Tallon L., Kim M., Jin S.,
RA   Vuong H., Stine O.C., Ali A., Horneman A.J., Heidelberg J.F.;
RT   "Genome sequence of Aeromonas hydrophila ATCC 7966T: jack of all trades.";
RL   J. Bacteriol. 188:8272-8282(2006).
CC   -!- FUNCTION: Transfers a succinyl group from succinyl-CoA to L-homoserine,
CC       forming succinyl-L-homoserine. {ECO:0000255|HAMAP-Rule:MF_00295}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-homoserine + succinyl-CoA = CoA + O-succinyl-L-homoserine;
CC         Xref=Rhea:RHEA:22008, ChEBI:CHEBI:57287, ChEBI:CHEBI:57292,
CC         ChEBI:CHEBI:57476, ChEBI:CHEBI:57661; EC=2.3.1.46;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00295};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de novo
CC       pathway; O-succinyl-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}.
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; CP000462; ABK39388.1; -; Genomic_DNA.
DR   RefSeq; WP_011704462.1; NC_008570.1.
DR   RefSeq; YP_855022.1; NC_008570.1.
DR   AlphaFoldDB; A0KFJ6; -.
DR   SMR; A0KFJ6; -.
DR   STRING; 380703.AHA_0489; -.
DR   EnsemblBacteria; ABK39388; ABK39388; AHA_0489.
DR   KEGG; aha:AHA_0489; -.
DR   PATRIC; fig|380703.7.peg.482; -.
DR   eggNOG; COG1897; Bacteria.
DR   HOGENOM; CLU_057851_0_1_6; -.
DR   OMA; WLWFCYQ; -.
DR   UniPathway; UPA00051; UER00075.
DR   Proteomes; UP000000756; 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:0008899; F:homoserine O-succinyltransferase activity; IEA:UniProtKB-EC.
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   3: Inferred from homology;
KW   Acyltransferase; Amino-acid biosynthesis; Cytoplasm;
KW   Methionine biosynthesis; Reference proteome; Transferase.
FT   CHAIN           1..317
FT                   /note="Homoserine O-succinyltransferase"
FT                   /id="PRO_1000021794"
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   317 AA;  36531 MW;  9D04FC9722B78DF0 CRC64;
     MPIKIPDQLP AAEVLGQENI FVMTESRAVT QNIRPLRVLI LNLMPKKIET EIQLMRMLSN
     SPLQVDVDLL RIDDRESKNT PQAHLENFYH DFEQVRGNNY DGMIITGAPL GLVEFEEVVY
     WPRIVEIIEW SHQHVTSTLF LCWAVQAALK ALYGMEKQTH GEKLSGVYRH HRLDEHEPLL
     RGFDDEFVAP HSRYAAFDGD LIRAHTDLQI FAESAEAGVY LAATKDCRQV FVTGHPEYDA
     LTLDGEYQRD LAAGLEPVIP VNYYPDNDPT RTPRASWRSH GHLLFSNWLN YYVYQLTSYR
     VEDIGKVFTY QQNSPSR