METXS_NITEU
ID METXS_NITEU Reviewed; 377 AA.
AC Q81ZZ5;
DT 15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 03-AUG-2022, entry version 99.
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=NE2186;
OS Nitrosomonas europaea (strain ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC
OS 14298).
OC Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC Nitrosomonadaceae; Nitrosomonas.
OX NCBI_TaxID=228410;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC 14298;
RX PubMed=12700255; DOI=10.1128/jb.185.9.2759-2773.2003;
RA Chain P., Lamerdin J.E., Larimer F.W., Regala W., Lao V., Land M.L.,
RA Hauser L., Hooper A.B., Klotz M.G., Norton J., Sayavedra-Soto L.A.,
RA Arciero D.M., Hommes N.G., Whittaker M.M., Arp D.J.;
RT "Complete genome sequence of the ammonia-oxidizing bacterium and obligate
RT chemolithoautotroph Nitrosomonas europaea.";
RL J. Bacteriol. 185:2759-2773(2003).
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}.
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; AL954747; CAD86097.1; -; Genomic_DNA.
DR RefSeq; WP_011112684.1; NC_004757.1.
DR AlphaFoldDB; Q81ZZ5; -.
DR SMR; Q81ZZ5; -.
DR STRING; 228410.NE2186; -.
DR ESTHER; niteu-METX; Homoserine_transacetylase.
DR EnsemblBacteria; CAD86097; CAD86097; NE2186.
DR KEGG; neu:NE2186; -.
DR eggNOG; COG2021; Bacteria.
DR HOGENOM; CLU_028760_1_2_4; -.
DR OMA; TRFCVVS; -.
DR OrthoDB; 536745at2; -.
DR PhylomeDB; Q81ZZ5; -.
DR UniPathway; UPA00051; UER00075.
DR Proteomes; UP000001416; 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..377
FT /note="Homoserine O-succinyltransferase"
FT /id="PRO_0000155734"
FT DOMAIN 50..358
FT /note="AB hydrolase-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00296"
FT ACT_SITE 156
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 226
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 377 AA; 41816 MW; 9BFCAC79E221A03B CRC64;
MSTQDSDSIG IVSARRAHFD TPLSLKSGAV LDSYELVYET YGELNADRSN AVLICHALSG
NHHVAGVYAD NPKNTGWWNN MIGPGKPVDT RKFFVIGINN LGGCHGSTGP ISINDKTGKR
FGPDFPLVTT ADWAKTYVRF ADQFSIDCFA AVIGGSLGGM SAMQLALDAP ERVRHAIVVA
ASARLTAQNI AFNDVARQAI LTDPDFHDGD YYSHGTHPRR GLRLARMLGH ITYLSDDSMA
SKFGRELRNG SLAFNYDVEF QIESYLHHQG DKFADLFDAN TYLLMTKALD YFDPAQDYDG
NLSAAFARAQ ADFLVLSFTS DWRFSPERSR DIVKALLDNK LNVSYAEIPS SYGHDSFLMQ
DDYYHQLIRA YMNNIAL