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LEU1_ANOFW
ID   LEU1_ANOFW              Reviewed;         514 AA.
AC   B7GH19;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   25-MAY-2022, entry version 72.
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=Aflv_0594;
OS   Anoxybacillus flavithermus (strain DSM 21510 / WK1).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Anoxybacillus.
OX   NCBI_TaxID=491915;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 21510 / WK1;
RX   PubMed=19014707; DOI=10.1186/gb-2008-9-11-r161;
RA   Saw J.H., Mountain B.W., Feng L., Omelchenko M.V., Hou S., Saito J.A.,
RA   Stott M.B., Li D., Zhao G., Wu J., Galperin M.Y., Koonin E.V.,
RA   Makarova K.S., Wolf Y.I., Rigden D.J., Dunfield P.F., Wang L., Alam M.;
RT   "Encapsulated in silica: genome, proteome and physiology of the
RT   thermophilic bacterium Anoxybacillus flavithermus WK1.";
RL   Genome Biol. 9:R161.1-R161.16(2008).
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; CP000922; ACJ32975.1; -; Genomic_DNA.
DR   RefSeq; WP_012574282.1; NC_011567.1.
DR   AlphaFoldDB; B7GH19; -.
DR   SMR; B7GH19; -.
DR   STRING; 491915.Aflv_0594; -.
DR   EnsemblBacteria; ACJ32975; ACJ32975; Aflv_0594.
DR   KEGG; afl:Aflv_0594; -.
DR   PATRIC; fig|491915.6.peg.611; -.
DR   eggNOG; COG0119; Bacteria.
DR   HOGENOM; CLU_022158_0_1_9; -.
DR   OMA; NTMRMLV; -.
DR   OrthoDB; 840579at2; -.
DR   UniPathway; UPA00048; UER00070.
DR   Proteomes; UP000000742; 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..514
FT                   /note="2-isopropylmalate synthase"
FT                   /id="PRO_1000149122"
FT   DOMAIN          4..266
FT                   /note="Pyruvate carboxyltransferase"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01151"
SQ   SEQUENCE   514 AA;  56502 MW;  1205D0F2E2DF04B8 CRC64;
     MRKINIFDTT LRDGEQSAGV NLNLHEKLEI ARQLERLGVD IIEAGFPAAS KGDFQAVQAI
     AQTVRNCSVT GLSRSVQSDI DAAWEALKDG AEPRLHVFIA TSPIHMQYKL RMTPEQVVET
     AVESVRYAKK YFPIVQWSAE DACRSDLPFL ATIVEKVIEA GANVINIPDT VGYITPKQYG
     DIFSFLKKNV RNIEKISLSA HCHDDLGMAV ANSLAAIEAG ATQIEGTING IGERAGNAAI
     EEVAVALYIR KDYYQAETRL NLQEIKRTSS LVSKLTGMIV PANKAIVGKN AFAHESGIHQ
     DGVLKEKTTY EIISPQLVGV QSNSMVLGKH SGRHAFRTRI QELGYSLTEE EVNRLFVRFK
     DLADKKKDIT DDDLIALILD EKLDTYKNFY QLCSIQVQYG TNQIPTAVVV LKDGEGNDIQ
     EAATGAGSVE ALYNALEKAL QLPVTLLDYR IESVGSGRDA LAQVYVKVSL DRKEASGRGT
     AQDVLEASAK AYIHAVNRMF VIEKMKEEQA LAAQ
 
 
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