LEU1_YERE8
ID LEU1_YERE8 Reviewed; 520 AA.
AC A1JJH7;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 06-FEB-2007, sequence version 1.
DT 25-MAY-2022, entry version 85.
DE RecName: Full=2-isopropylmalate synthase {ECO:0000255|HAMAP-Rule:MF_01025};
DE EC=2.3.3.13 {ECO:0000255|HAMAP-Rule:MF_01025};
DE AltName: Full=Alpha-IPM synthase {ECO:0000255|HAMAP-Rule:MF_01025};
DE AltName: Full=Alpha-isopropylmalate synthase {ECO:0000255|HAMAP-Rule:MF_01025};
GN Name=leuA {ECO:0000255|HAMAP-Rule:MF_01025}; OrderedLocusNames=YE0654;
OS Yersinia enterocolitica serotype O:8 / biotype 1B (strain NCTC 13174 /
OS 8081).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Yersiniaceae; Yersinia.
OX NCBI_TaxID=393305;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NCTC 13174 / 8081;
RX PubMed=17173484; DOI=10.1371/journal.pgen.0020206;
RA Thomson N.R., Howard S., Wren B.W., Holden M.T.G., Crossman L.,
RA Challis G.L., Churcher C., Mungall K., Brooks K., Chillingworth T.,
RA Feltwell T., Abdellah Z., Hauser H., Jagels K., Maddison M., Moule S.,
RA Sanders M., Whitehead S., Quail M.A., Dougan G., Parkhill J.,
RA Prentice M.B.;
RT "The complete genome sequence and comparative genome analysis of the high
RT pathogenicity Yersinia enterocolitica strain 8081.";
RL PLoS Genet. 2:2039-2051(2006).
CC -!- FUNCTION: Catalyzes the condensation of the acetyl group of acetyl-CoA
CC with 3-methyl-2-oxobutanoate (2-oxoisovalerate) to form 3-carboxy-3-
CC hydroxy-4-methylpentanoate (2-isopropylmalate). {ECO:0000255|HAMAP-
CC Rule:MF_01025}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=3-methyl-2-oxobutanoate + acetyl-CoA + H2O = (2S)-2-
CC isopropylmalate + CoA + H(+); Xref=Rhea:RHEA:21524, ChEBI:CHEBI:1178,
CC ChEBI:CHEBI:11851, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:57287, ChEBI:CHEBI:57288; EC=2.3.3.13;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01025};
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 1/4. {ECO:0000255|HAMAP-
CC Rule:MF_01025}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01025}.
CC -!- SIMILARITY: Belongs to the alpha-IPM synthase/homocitrate synthase
CC family. LeuA type 1 subfamily. {ECO:0000255|HAMAP-Rule:MF_01025}.
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DR EMBL; AM286415; CAL10765.1; -; Genomic_DNA.
DR RefSeq; WP_011815560.1; NC_008800.1.
DR RefSeq; YP_001005005.1; NC_008800.1.
DR AlphaFoldDB; A1JJH7; -.
DR SMR; A1JJH7; -.
DR STRING; 393305.YE0654; -.
DR PRIDE; A1JJH7; -.
DR EnsemblBacteria; CAL10765; CAL10765; YE0654.
DR KEGG; yen:YE0654; -.
DR PATRIC; fig|393305.7.peg.748; -.
DR eggNOG; COG0119; Bacteria.
DR HOGENOM; CLU_022158_0_1_6; -.
DR OMA; NTMRMLV; -.
DR UniPathway; UPA00048; UER00070.
DR Proteomes; UP000000642; Chromosome.
DR GO; GO:0003852; F:2-isopropylmalate synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.20.20.70; -; 1.
DR Gene3D; 3.30.160.270; -; 1.
DR HAMAP; MF_01025; LeuA_type1; 1.
DR InterPro; IPR013709; 2-isopropylmalate_synth_dimer.
DR InterPro; IPR002034; AIPM/Hcit_synth_CS.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR036230; LeuA_allosteric_dom_sf.
DR InterPro; IPR005671; LeuA_bact_synth.
DR InterPro; IPR000891; PYR_CT.
DR Pfam; PF00682; HMGL-like; 1.
DR Pfam; PF08502; LeuA_dimer; 1.
DR SMART; SM00917; LeuA_dimer; 1.
DR SUPFAM; SSF110921; SSF110921; 1.
DR TIGRFAMs; TIGR00973; leuA_bact; 1.
DR PROSITE; PS00815; AIPM_HOMOCIT_SYNTH_1; 1.
DR PROSITE; PS00816; AIPM_HOMOCIT_SYNTH_2; 1.
DR PROSITE; PS50991; PYR_CT; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; Branched-chain amino acid biosynthesis;
KW Leucine biosynthesis; Transferase.
FT CHAIN 1..520
FT /note="2-isopropylmalate synthase"
FT /id="PRO_1000149338"
FT DOMAIN 5..267
FT /note="Pyruvate carboxyltransferase"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01151"
SQ SEQUENCE 520 AA; 57354 MW; 403ED96B44DCED99 CRC64;
MSQQVIIFDT TLRDGEQALQ ASLSVKEKLQ IALALERMGV DVMEVGFPVS SPGDFESVRT
IAQQMKNSRV CALARCVDKD IDVAAEALRI AEAFRIHVFL ATSTLHIESK LKRSFDDVLA
MAVHSVKRAR NYTDDVEFSC EDAGRTPIDN LCRIVEAAIN AGATTINIPD TVGYTTPYQF
GGIITDLYQR VPNIDKAIIS VHCHDDLGMS VANSITAVQA GARQVEGTIN GLGERAGNCS
LEEVIMAIKV RENMLGVHTN INHQEIYRTS QLVSKLCNMP IPANKAIVGS NAFAHSSGIH
QDGVLKNREN YEIMTPQSIG LKEVQLNLTS RSGRAAVKHR MEEMGYQDKD YNLDSLYDAF
LKLADKKGQV FDYDLEALAF INKQQEEPEH YRLDYFSVQS GSSVMATASV KLVCGEEIKS
EAATGNGPVD AVYQAINRIT DYPIELVKYQ LSANGQGKDA LGQVDIVVDH KGRRFHGVGL
ATDIVESSAK ALVHVLNNIW RAHQVEIEKQ RLQQNNQEMV