ID   METAS_BRAJP             Reviewed;         325 AA.
AC   A0A1D3PCJ5;
DT   07-JUN-2017, integrated into UniProtKB/Swiss-Prot.
DT   30-NOV-2016, sequence version 1.
DT   03-AUG-2022, entry version 21.
DE   RecName: Full=Homoserine O-succinyltransferase {ECO:0000255|HAMAP-Rule:MF_00295};
DE            Short=HST {ECO:0000255|HAMAP-Rule:MF_00295, ECO:0000303|PubMed:28581482};
DE            EC=2.3.1.46 {ECO:0000255|HAMAP-Rule:MF_00295, ECO:0000269|PubMed:28581482};
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, ECO:0000303|PubMed:28581482};
GN   Synonyms=metA {ECO:0000312|EMBL:SCN13861.1};
OS   Bradyrhizobium japonicum.
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Bradyrhizobium.
OX   NCBI_TaxID=375;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], FUNCTION, AND CATALYTIC ACTIVITY.
RC   STRAIN=DSM 30131;
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 a succinyl group from succinyl-CoA to L-homoserine,
CC       forming succinyl-L-homoserine. {ECO:0000255|HAMAP-Rule:MF_00295,
CC       ECO:0000269|PubMed:28581482}.
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         ECO:0000269|PubMed:28581482};
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; LT613637; SCN13861.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A1D3PCJ5; -.
DR   SMR; A0A1D3PCJ5; -.
DR   UniPathway; UPA00051; UER00075.
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:0009086; P:methionine biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.880; -; 1.
DR   HAMAP; MF_00295; MetA_acyltransf; 1.
DR   InterPro; IPR029062; Class_I_gatase-like.
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.
PE   1: Evidence at protein level;
KW   Acyltransferase; Amino-acid biosynthesis; Cytoplasm;
KW   Methionine biosynthesis; Transferase.
FT   CHAIN           1..325
FT                   /note="Homoserine O-succinyltransferase"
FT                   /id="PRO_0000440349"
FT   ACT_SITE        142
FT                   /note="Acyl-thioester intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT   ACT_SITE        234
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT   ACT_SITE        236
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT   BINDING         163
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT   BINDING         191
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT   BINDING         248
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT   SITE            109
FT                   /note="Important for acyl-CoA specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT   SITE            143
FT                   /note="Important for acyl-CoA specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
FT   SITE            191
FT                   /note="Important for substrate specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00295"
SQ   SEQUENCE   325 AA;  36275 MW;  CB8EC145A33A9FAF CRC64;
     MTLLFDGDRR IKSPALAPAG GDRRARDPIE LTIGLVNNMP DSALKATDVQ IARLLQQAAP
     WHVRIRLHCF SLPSIARSPM ASSHVAQTYT DIDRLDGLDI DGLIVTGAEP VAARLRDESY
     WPDLAAIVDW ARTNTKTTIW SCLAAHAAVL HLDDIERQRL ASKCSGVFDC VKVRDDWLTH
     GIDAPLQVPH SRLNAVNEPL LAERGYDILT RSAEVGVDIF ARTMPSRFVF FQGHPEYDAL
     SLQREYMRDI ARYLAGQRED YPRPPRSYFS AESEAVLNTF EIRARARRDP TLAAELPGLT
     LRPDLAAGHA AKLLFRNWIG YLADG