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LEU1_SHEPA
ID   LEU1_SHEPA              Reviewed;         523 AA.
AC   A8H9A1;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   25-MAY-2022, entry version 84.
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=Spea_3828;
OS   Shewanella pealeana (strain ATCC 700345 / ANG-SQ1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=398579;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700345 / ANG-SQ1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Chertkov O., Brettin T., Bruce D., Detter J.C.,
RA   Han C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Zhao J.-S.Z., Manno D., Hawari J., Richardson P.;
RT   "Complete sequence of Shewanella pealeana ATCC 700345.";
RL   Submitted (OCT-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000851; ABV89138.1; -; Genomic_DNA.
DR   RefSeq; WP_012157020.1; NC_009901.1.
DR   AlphaFoldDB; A8H9A1; -.
DR   SMR; A8H9A1; -.
DR   STRING; 398579.Spea_3828; -.
DR   PRIDE; A8H9A1; -.
DR   EnsemblBacteria; ABV89138; ABV89138; Spea_3828.
DR   KEGG; spl:Spea_3828; -.
DR   eggNOG; COG0119; Bacteria.
DR   HOGENOM; CLU_022158_0_1_6; -.
DR   OMA; NTMRMLV; -.
DR   UniPathway; UPA00048; UER00070.
DR   Proteomes; UP000002608; 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; Reference proteome; Transferase.
FT   CHAIN           1..523
FT                   /note="2-isopropylmalate synthase"
FT                   /id="PRO_1000149286"
FT   DOMAIN          5..267
FT                   /note="Pyruvate carboxyltransferase"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01151"
SQ   SEQUENCE   523 AA;  56785 MW;  0613C80D31F29F91 CRC64;
     MSNRVIIFDT TLRDGEQALA ASLTVKEKLQ IALALERLGV DVMEVGFPVS SPGDFESVQT
     IAKTIKNSRV CALSRALEKD IDAAAQALSV AEQFRIHTFI STSTIHVESK LKRSFDQVLE
     MAVGAVKYAR RFTDDVEFSC EDAGRTPIDN LCRMVEEAIK AGARTINIPD TVGYTVPSEF
     GGIIQTLFNR VPNIDQAVIS VHCHDDLGLS VANSITAVQH GARQIECTVN GIGERAGNCS
     LEEIAMILST RKGELGLETG INAKEIHRTS SLVSQLCNMP VQANKAIVGA NAFTHSSGIH
     QDGMLKAQNT YEIMTPESIG LNRNNLNMTS RSGRHVIKHR MSELGYGEQD YNMDVLYEEF
     LTLADKKGQV FDYDLEALAF MEAQAETDDH YKLQQLVVHS DSTEGSATAT VKVAVNGETI
     TEAATGNGPV DAAYKAVARA SGCEINISSY QLSAKGEGQN ALGQVDITAK YREQNFHGVG
     LATDVVEASA KALVHVMNLT WRADKVADCK QRIQQNKREL GGV
 
 
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