ID   METXS_BURL3             Reviewed;         381 AA.
AC   Q39BX2;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, sequence version 1.
DT   03-AUG-2022, entry version 91.
DE   RecName: Full=Homoserine O-succinyltransferase {ECO:0000255|HAMAP-Rule:MF_00296};
DE            Short=HST {ECO:0000255|HAMAP-Rule:MF_00296};
DE            EC=2.3.1.46 {ECO:0000255|HAMAP-Rule:MF_00296};
DE   AltName: Full=Homoserine transsuccinylase {ECO:0000255|HAMAP-Rule:MF_00296};
DE            Short=HTS {ECO:0000255|HAMAP-Rule:MF_00296};
GN   Name=metXS {ECO:0000255|HAMAP-Rule:MF_00296};
GN   OrderedLocusNames=Bcep18194_A6450;
OS   Burkholderia lata (strain ATCC 17760 / DSM 23089 / LMG 22485 / NCIMB 9086 /
OS   R18194 / 383).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Burkholderia; Burkholderia cepacia complex.
OX   NCBI_TaxID=482957;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 17760 / DSM 23089 / LMG 22485 / NCIMB 9086 / R18194 / 383;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Chain P., Malfatti S., Shin M.,
RA   Vergez L., Schmutz J., Larimer F., Land M., Kyrpides N., Lykidis A.,
RA   Richardson P.;
RT   "Complete sequence of chromosome 1 of Burkholderia sp. 383.";
RL   Submitted (OCT-2005) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Transfers a succinyl group from succinyl-CoA to L-homoserine,
CC       forming succinyl-L-homoserine. {ECO:0000255|HAMAP-Rule:MF_00296}.
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_00296};
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_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; CP000151; ABB10044.1; -; Genomic_DNA.
DR   RefSeq; WP_011353548.1; NZ_CABVQB010000020.1.
DR   AlphaFoldDB; Q39BX2; -.
DR   SMR; Q39BX2; -.
DR   ESTHER; burca-metx; Homoserine_transacetylase.
DR   EnsemblBacteria; ABB10044; ABB10044; Bcep18194_A6450.
DR   GeneID; 45096320; -.
DR   KEGG; bur:Bcep18194_A6450; -.
DR   PATRIC; fig|482957.22.peg.3481; -.
DR   HOGENOM; CLU_028760_1_2_4; -.
DR   OMA; TRFCVVS; -.
DR   OrthoDB; 536745at2; -.
DR   UniPathway; UPA00051; UER00075.
DR   Proteomes; UP000002705; Chromosome 1.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008899; F:homoserine O-succinyltransferase 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..381
FT                   /note="Homoserine O-succinyltransferase"
FT                   /id="PRO_0000231865"
FT   DOMAIN          45..360
FT                   /note="AB hydrolase-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   ACT_SITE        151
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   ACT_SITE        321
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   ACT_SITE        354
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   BINDING         221
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   BINDING         355
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   SITE            323
FT                   /note="Important for acyl-CoA specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
SQ   SEQUENCE   381 AA;  41873 MW;  D3ECDD64C79E7181 CRC64;
     MESIGIVAPQ TMHFAEPLRL QSGSVIGNYQ LVVETYGELN AARSNAVLVC HALNASHHVA
     GVYADDPRST GWWDNMVGPG KPLDTNRFFV IGVNNLGSCF GSTGPMSADP STGKPYGASF
     PVVTVEDWVH AQARVADAFG IERFAAVMGG SLGGMQALAW SLMYPERVAH CIDIASTPKL
     SAQNIAFNEV ARSAILSDPD FHGGDYYAHG VKPKRGLRVA RMIGHITYLS DDDMAEKFGR
     ALRRADGALD AYNFSFDVEF EVESYLRYQG DKFADYFDAN TYLLITRALD YFDPAKAFDG
     NLTAALAHTQ AKYLIASFST DWRFAPARSR EIVKALLDNK RTVSYAEIDA PHGHDAFLLD
     DARYHNLIRA YYERIANEVG A