ID   ILVC_AZOSB              Reviewed;         338 AA.
AC   A1KAB7;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   16-JUN-2009, entry version 20.
DE   RecName: Full=Ketol-acid reductoisomerase;
DE            EC=1.1.1.86;
DE   AltName: Full=Acetohydroxy-acid isomeroreductase;
DE   AltName: Full=Alpha-keto-beta-hydroxylacil reductoisomerase;
GN   Name=ilvC; OrderedLocusNames=azo3156;
OS   Azoarcus sp. (strain BH72).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales;
OC   Rhodocyclaceae; Azoarcus.
OX   NCBI_TaxID=62928;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17057704; DOI=10.1038/nbt1243;
RA   Krause A., Ramakumar A., Bartels D., Battistoni F., Bekel T., Boch J.,
RA   Boehm M., Friedrich F., Hurek T., Krause L., Linke B., McHardy A.C.,
RA   Sarkar A., Schneiker S., Syed A.A., Thauer R., Vorhoelter F.-J.,
RA   Weidner S., Puehler A., Reinhold-Hurek B., Kaiser O., Goesmann A.;
RT   "Complete genome of the mutualistic, N2-fixing grass endophyte
RT   Azoarcus sp. strain BH72.";
RL   Nat. Biotechnol. 24:1385-1391(2006).
CC   -!- CATALYTIC ACTIVITY: (R)-2,3-dihydroxy-3-methylbutanoate + NADP(+)
CC       = (S)-2-hydroxy-2-methyl-3-oxobutanoate + NADPH.
CC   -!- CATALYTIC ACTIVITY: (2R,3R)-2,3-dihydroxy-3-methylpentanoate +
CC       NADP(+) = (S)-2-hydroxy-2-ethyl-3-oxobutanoate + NADPH.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC       isoleucine from 2-oxobutanoate: step 2/4.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine
CC       from pyruvate: step 2/4.
CC   -!- SIMILARITY: Belongs to the ketol-acid reductoisomerase family.
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DR   EMBL; AM406670; CAL95773.1; -; Genomic_DNA.
DR   RefSeq; YP_934659.1; -.
DR   SMR; A1KAB7; 1-327.
DR   GeneID; 4609074; -.
DR   GenomeReviews; AM406670_GR; azo3156.
DR   KEGG; azo:azo3156; -.
DR   OMA; A1KAB7; AHGFNIR.
DR   GO; GO:0005488; F:binding; IEA:InterPro.
DR   GO; GO:0004455; F:ketol-acid reductoisomerase activity; IEA:HAMAP.
DR   GO; GO:0009097; P:isoleucine biosynthetic process; IEA:HAMAP.
DR   GO; GO:0055114; P:oxidation reduction; IEA:UniProtKB-KW.
DR   GO; GO:0009099; P:valine biosynthetic process; IEA:HAMAP.
DR   HAMAP; MF_00435; -; 1.
DR   InterPro; IPR013023; AcH_isomrdctse.
DR   InterPro; IPR000506; AcH_isomrdctse_C.
DR   InterPro; IPR013116; IlvN.
DR   InterPro; IPR016040; NAD(P)-bd_dom.
DR   Gene3D; G3DSA:3.40.50.720; NAD(P)-bd; 1.
DR   PANTHER; PTHR21371; AcH_isomrdctse; 1.
DR   Pfam; PF01450; IlvC; 1.
DR   Pfam; PF07991; IlvN; 1.
DR   TIGRFAMs; TIGR00465; ilvC; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Branched-chain amino acid biosynthesis;
KW   Complete proteome; NADP; Oxidoreductase.
FT   CHAIN         1    338       Ketol-acid reductoisomerase.
FT                                /FTId=PRO_1000050478.
FT   ACT_SITE    107    107       Potential.
SQ   SEQUENCE   338 AA;  36909 MW;  D72BF43BDC7C4FB4 CRC64;
     MKVYYDKDAD LSLIKGKKVT IVGYGSQGHA HAQNLNDSGV KVTVAVRKGG ASWDKAKAAG
     LKVEEIAKAV KTADLVMILL PDENIPQVYK EEVEPNIKKG ATLAFAHGFN VHYNQVVPRE
     DLDVIMVAPK GPGHTVRSEY LRGGGVPSLI AVYQDKSGKA KDIALSYAAA NGGTKGGVIE
     TNFKEETETD LFGEQAVLCG GAVELVKMGF ETLTEAGYAP EMAYFECLHE LKLIVDLMYE
     GGIANMNYSI SNNAEYGEYV TGPEVINAQS REAMRNALKR IQTGEYAKMF IQEGKTNYPS
     MTARRRLNAE HPIEQVGGQL RDMMPWIKAK ALVDKSKN
//