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LEU1_SALTI
ID   LEU1_SALTI              Reviewed;         523 AA.
AC   Q8Z9I0;
DT   26-JUL-2002, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   25-MAY-2022, entry version 121.
DE   RecName: Full=2-isopropylmalate synthase;
DE            EC=2.3.3.13;
DE   AltName: Full=Alpha-IPM synthase;
DE   AltName: Full=Alpha-isopropylmalate synthase;
GN   Name=leuA; OrderedLocusNames=STY0132, t0117;
OS   Salmonella typhi.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=90370;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CT18;
RX   PubMed=11677608; DOI=10.1038/35101607;
RA   Parkhill J., Dougan G., James K.D., Thomson N.R., Pickard D., Wain J.,
RA   Churcher C.M., Mungall K.L., Bentley S.D., Holden M.T.G., Sebaihia M.,
RA   Baker S., Basham D., Brooks K., Chillingworth T., Connerton P., Cronin A.,
RA   Davis P., Davies R.M., Dowd L., White N., Farrar J., Feltwell T.,
RA   Hamlin N., Haque A., Hien T.T., Holroyd S., Jagels K., Krogh A.,
RA   Larsen T.S., Leather S., Moule S., O'Gaora P., Parry C., Quail M.A.,
RA   Rutherford K.M., Simmonds M., Skelton J., Stevens K., Whitehead S.,
RA   Barrell B.G.;
RT   "Complete genome sequence of a multiple drug resistant Salmonella enterica
RT   serovar Typhi CT18.";
RL   Nature 413:848-852(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700931 / Ty2;
RX   PubMed=12644504; DOI=10.1128/jb.185.7.2330-2337.2003;
RA   Deng W., Liou S.-R., Plunkett G. III, Mayhew G.F., Rose D.J., Burland V.,
RA   Kodoyianni V., Schwartz D.C., Blattner F.R.;
RT   "Comparative genomics of Salmonella enterica serovar Typhi strains Ty2 and
RT   CT18.";
RL   J. Bacteriol. 185:2330-2337(2003).
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:0000250}.
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   -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC       from 3-methyl-2-oxobutanoate: step 1/4.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the alpha-IPM synthase/homocitrate synthase
CC       family. LeuA type 1 subfamily. {ECO:0000305}.
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DR   EMBL; AL513382; CAD01270.1; -; Genomic_DNA.
DR   EMBL; AE014613; AAO67849.1; -; Genomic_DNA.
DR   RefSeq; NP_454725.1; NC_003198.1.
DR   RefSeq; WP_000082813.1; NZ_WSUR01000009.1.
DR   AlphaFoldDB; Q8Z9I0; -.
DR   SMR; Q8Z9I0; -.
DR   STRING; 220341.16501398; -.
DR   EnsemblBacteria; AAO67849; AAO67849; t0117.
DR   KEGG; stt:t0117; -.
DR   KEGG; sty:STY0132; -.
DR   PATRIC; fig|220341.7.peg.133; -.
DR   eggNOG; COG0119; Bacteria.
DR   HOGENOM; CLU_022158_0_1_6; -.
DR   OMA; NTMRMLV; -.
DR   UniPathway; UPA00048; UER00070.
DR   Proteomes; UP000000541; Chromosome.
DR   Proteomes; UP000002670; 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   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..523
FT                   /note="2-isopropylmalate synthase"
FT                   /id="PRO_0000140374"
FT   DOMAIN          5..267
FT                   /note="Pyruvate carboxyltransferase"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01151"
SQ   SEQUENCE   523 AA;  57355 MW;  9713F98D31850D72 CRC64;
     MSQQVIIFDT TLRDGEQALQ ASLSAKEKLQ IALALERMGV DVMEVGFPVS SPGDFESVQT
     IARTIKNSRV CALARCVEKD IDVAAQALKV ADAFRIHTFI ATSPMHIATK LRSTLDEVIE
     RAVYMVKRAR NYTDDVEFSC EDAGRTPVDD LARVVEAAIN AGARTINIPD TVGYTMPFEF
     AGIISGLYER VPNIDKAIIS VHTHDDLGIA VGNSLAAVHA GARQVEGAMN GIGERAGNCA
     LEEVIMAIKV RKDIINVHTN INHHEIWRTS QTVSQICNMP IPANKAIVGS GAFAHSSGIH
     QDGVLKNREN YEIMTPESIG LNQIQLNLTS RSGRAAVKHR MEEMGYKDTD YNMGHLYDAF
     LKLADKKGQV FDYDLEALAF INKQQEEPEH FRLDYFSVQS GSSDIATASV KLACGEEIKA
     EAANGNGPVD AIYQAINRIT GYDVELVKYD LNAKGQGKDA LGQVDIVVNH HGRRFHGVGL
     ATDIVESSAK AMVHVLNNIW RAAEVEKELQ RKAQNKENNK ETV
 
 
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