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LEU1_PSE14
ID   LEU1_PSE14              Reviewed;         556 AA.
AC   Q48LY5;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 92.
DE   RecName: Full=2-isopropylmalate synthase {ECO:0000255|HAMAP-Rule:MF_00572};
DE            EC=2.3.3.13 {ECO:0000255|HAMAP-Rule:MF_00572};
DE   AltName: Full=Alpha-IPM synthase {ECO:0000255|HAMAP-Rule:MF_00572};
DE   AltName: Full=Alpha-isopropylmalate synthase {ECO:0000255|HAMAP-Rule:MF_00572};
GN   Name=leuA {ECO:0000255|HAMAP-Rule:MF_00572}; OrderedLocusNames=PSPPH_1329;
OS   Pseudomonas savastanoi pv. phaseolicola (strain 1448A / Race 6)
OS   (Pseudomonas syringae pv. phaseolicola (strain 1448A / Race 6)).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=264730;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1448A / Race 6;
RX   PubMed=16159782; DOI=10.1128/jb.187.18.6488-6498.2005;
RA   Joardar V., Lindeberg M., Jackson R.W., Selengut J., Dodson R.,
RA   Brinkac L.M., Daugherty S.C., DeBoy R.T., Durkin A.S., Gwinn Giglio M.,
RA   Madupu R., Nelson W.C., Rosovitz M.J., Sullivan S.A., Crabtree J.,
RA   Creasy T., Davidsen T.M., Haft D.H., Zafar N., Zhou L., Halpin R.,
RA   Holley T., Khouri H.M., Feldblyum T.V., White O., Fraser C.M.,
RA   Chatterjee A.K., Cartinhour S., Schneider D., Mansfield J.W., Collmer A.,
RA   Buell R.;
RT   "Whole-genome sequence analysis of Pseudomonas syringae pv. phaseolicola
RT   1448A reveals divergence among pathovars in genes involved in virulence and
RT   transposition.";
RL   J. Bacteriol. 187:6488-6498(2005).
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_00572}.
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_00572};
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_00572}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00572}.
CC   -!- SIMILARITY: Belongs to the alpha-IPM synthase/homocitrate synthase
CC       family. LeuA type 2 subfamily. {ECO:0000255|HAMAP-Rule:MF_00572}.
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DR   EMBL; CP000058; AAZ36794.1; -; Genomic_DNA.
DR   RefSeq; WP_004667426.1; NC_005773.3.
DR   AlphaFoldDB; Q48LY5; -.
DR   SMR; Q48LY5; -.
DR   STRING; 264730.PSPPH_1329; -.
DR   EnsemblBacteria; AAZ36794; AAZ36794; PSPPH_1329.
DR   GeneID; 61868686; -.
DR   KEGG; psp:PSPPH_1329; -.
DR   eggNOG; COG0119; Bacteria.
DR   HOGENOM; CLU_004588_3_0_6; -.
DR   OMA; WPDKVID; -.
DR   OrthoDB; 840579at2; -.
DR   UniPathway; UPA00048; UER00070.
DR   Proteomes; UP000000551; 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   CDD; cd07942; DRE_TIM_LeuA; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   Gene3D; 3.30.160.270; -; 1.
DR   HAMAP; MF_00572; LeuA_type2; 1.
DR   InterPro; IPR013709; 2-isopropylmalate_synth_dimer.
DR   InterPro; IPR002034; AIPM/Hcit_synth_CS.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR005668; IPM_Synthase.
DR   InterPro; IPR036230; LeuA_allosteric_dom_sf.
DR   InterPro; IPR039371; LeuA_N_DRE-TIM.
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; TIGR00970; leuA_yeast; 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..556
FT                   /note="2-isopropylmalate synthase"
FT                   /id="PRO_1000025031"
FT   DOMAIN          33..307
FT                   /note="Pyruvate carboxyltransferase"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01151"
SQ   SEQUENCE   556 AA;  61525 MW;  D5EF436B9D587FB9 CRC64;
     MTMLKDPSKK YRAFPTIDLP DRTWPSKTID AAPIWCSSDL RDGNQSLIEP MDAAKKLRFW
     KTLVSVGVKE IEASFPSASQ TDFDFVRTLI EDGHIPDDTT IQVLTQARED LIARTFESLR
     GAKKAIVHLY NATSPSFRRI VFNQDKAGVK EIAVNAAKLF VKYAAQQPET QWTFEYSPET
     FSATELEFAK EVCDAVIEVW NPTPENKVIL NLPATVEVAT PNIYADQIEW FGRNITRRDS
     VLISLHTHND RGTGVAATEL GLMAGADRVE GCLFGNGERT GNVDLVTVAL NLYTQGIDPE
     LDFSDIDGVR KVVEECNQIP VHPRHPYVGD LVHTAFSGSH QDAIRKGFTQ QKDGELWEVP
     YLPIDPADIG RSYEAVIRVN SQSGKGGITY LLEQEYGISL PRRMQIEFSQ VVQGETDRLG
     LEMSAQQIHS LLRREYLQAN TPYALISHKL QEENGNSAVD AEVHVDGETQ HWRGKGKGAL
     EALVAGLPVA VEIMDYNEHA IGSGTTAKAA AYIELRVNGE RAVHGVGIDE NITTASFRAL
     FSALNRSLSQ TQAKAA
 
 
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