ID   METAS_SHEPW             Reviewed;         315 AA.
AC   B8CRT5;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 69.
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=swp_3392;
OS   Shewanella piezotolerans (strain WP3 / JCM 13877).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=225849;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WP3 / JCM 13877;
RX   PubMed=18398463; DOI=10.1371/journal.pone.0001937;
RA   Wang F., Wang J., Jian H., Zhang B., Li S., Wang F., Zeng X., Gao L.,
RA   Bartlett D.H., Yu J., Hu S., Xiao X.;
RT   "Environmental adaptation: genomic analysis of the piezotolerant and
RT   psychrotolerant deep-sea iron reducing bacterium Shewanella piezotolerans
RT   WP3.";
RL   PLoS ONE 3:E1937-E1937(2008).
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}.
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DR   EMBL; CP000472; ACJ30093.1; -; Genomic_DNA.
DR   RefSeq; WP_020913442.1; NC_011566.1.
DR   AlphaFoldDB; B8CRT5; -.
DR   SMR; B8CRT5; -.
DR   STRING; 225849.swp_3392; -.
DR   EnsemblBacteria; ACJ30093; ACJ30093; swp_3392.
DR   KEGG; swp:swp_3392; -.
DR   eggNOG; COG1897; Bacteria.
DR   HOGENOM; CLU_057851_0_1_6; -.
DR   OMA; WLWFCYQ; -.
DR   OrthoDB; 1601420at2; -.
DR   UniPathway; UPA00051; UER00075.
DR   Proteomes; UP000000753; 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; Transferase.
FT   CHAIN           1..315
FT                   /note="Homoserine O-succinyltransferase"
FT                   /id="PRO_1000119454"
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   315 AA;  36674 MW;  B678F258174B2A0D CRC64;
     MPVKIPDNLP AAEILESENI FVMSETRAAN QDIRPMRVLI LNLMPNKIET ETQLLRLLGN
     TPLQVDVDLL RIHDKESKHT SIDHMNNFYR DFEQVRNKNY DGLIITGAPL GQIEFEDVSY
     WDHIREIIDW SQQHVTSVLF LCWAAHAALY HLYGLNRSLL TSKRSGVFAH QRTREHFPLL
     RGFDDEFYAP HSRFAEMDIE QLRSHPELQV LTESDEAGAY MVLSRSNRNL FVMGHPEYQK
     STLKDEYERD LSQGLSPEIP QNYFGNDDPT QQPIARWHSH GSLLVSNWLN YYVYQLTPYN
     LDDMSGRTPW ESAVL