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METXS_ACIF2
ID   METXS_ACIF2             Reviewed;         383 AA.
AC   B7J437;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 71.
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}; OrderedLocusNames=AFE_0293;
OS   Acidithiobacillus ferrooxidans (strain ATCC 23270 / DSM 14882 / CIP 104768
OS   / NCIMB 8455) (Ferrobacillus ferrooxidans (strain ATCC 23270)).
OC   Bacteria; Proteobacteria; Acidithiobacillia; Acidithiobacillales;
OC   Acidithiobacillaceae; Acidithiobacillus.
OX   NCBI_TaxID=243159;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 23270 / DSM 14882 / CIP 104768 / NCIMB 8455;
RX   PubMed=19077236; DOI=10.1186/1471-2164-9-597;
RA   Valdes J., Pedroso I., Quatrini R., Dodson R.J., Tettelin H., Blake R. II,
RA   Eisen J.A., Holmes D.S.;
RT   "Acidithiobacillus ferrooxidans metabolism: from genome sequence to
RT   industrial applications.";
RL   BMC Genomics 9:597-597(2008).
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; CP001219; ACK78927.1; -; Genomic_DNA.
DR   RefSeq; WP_012536069.1; NC_011761.1.
DR   AlphaFoldDB; B7J437; -.
DR   SMR; B7J437; -.
DR   STRING; 243159.AFE_0293; -.
DR   ESTHER; acif2-metx; Homoserine_transacetylase.
DR   PaxDb; B7J437; -.
DR   EnsemblBacteria; ACK78927; ACK78927; AFE_0293.
DR   GeneID; 66431351; -.
DR   KEGG; afr:AFE_0293; -.
DR   eggNOG; COG2021; Bacteria.
DR   HOGENOM; CLU_028760_1_2_6; -.
DR   OMA; TRFCVVS; -.
DR   OrthoDB; 536745at2; -.
DR   UniPathway; UPA00051; UER00075.
DR   Proteomes; UP000001362; Chromosome.
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; Reference proteome; Transferase.
FT   CHAIN           1..383
FT                   /note="Homoserine O-succinyltransferase"
FT                   /id="PRO_1000119457"
FT   DOMAIN          51..360
FT                   /note="AB hydrolase-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   ACT_SITE        157
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   ACT_SITE        323
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   ACT_SITE        356
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   BINDING         227
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   BINDING         357
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT   SITE            325
FT                   /note="Important for acyl-CoA specificity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
SQ   SEQUENCE   383 AA;  42609 MW;  D0A2732E6D3205E9 CRC64;
     MPVEIPADSV GLVTPQTVTF SAPLELECGR SLPGYTLTYE TYGTLNAQRS NAILLCHALS
     GDHHAAGYHS MDDRKPGWWE HLLGPGKAMD TERFFFVCAN FIGSCKGSTG PASTNPETGA
     PWGLDFPMVT VRDWVKTQAE LADYLGIEQW AAVVGGSLGG MQVMQWSMDY PERLRHAVVI
     AAAPKLTAQN IAFNEVCRQA IMTDPEFYNG RYYAHNTKPR RGLSLARMIG HITYLSDNAM
     RTKFGRDTRG GKAFSFGFDV DFEVESYLRY QGSSFVERFD ANSYLYITKA LDYFDPASTW
     GGNLAEAFAS TRANFLVISF SSDWRFSPER SREIVQALYT CNRDVSYAEI EAEHGHDSFL
     MPIPQYVAVL STYLGRVAEE IGA
 
 
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