ID   ILVC_ARTS2              Reviewed;         341 AA.
AC   A0JXZ6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-DEC-2006, sequence version 1.
DT   16-JUN-2009, entry version 21.
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=Arth_2537;
OS   Arthrobacter sp. (strain FB24).
OC   Bacteria; Actinobacteria; Actinobacteridae; Actinomycetales;
OC   Micrococcineae; Micrococcaceae; Arthrobacter.
OX   NCBI_TaxID=290399;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H.,
RA   Pitluck S., Chertkov O., Thompson S., Brettin T., Bruce D., Han C.,
RA   Tapia R., Gilna P., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Mikhailova N., Beasley F., Chen W., Jerke K.,
RA   Nakatsu C.H., Richardson P.;
RT   "Complete sequence of chromosome 1 of Arthrobacter sp. FB24.";
RL   Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000454; ABK03916.1; -; Genomic_DNA.
DR   RefSeq; YP_832016.1; -.
DR   GeneID; 4444945; -.
DR   GenomeReviews; CP000454_GR; Arth_2537.
DR   KEGG; art:Arth_2537; -.
DR   TIGR; Arth_2537; -.
DR   OMA; A0JXZ6; 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    341       Ketol-acid reductoisomerase.
FT                                /FTId=PRO_1000050477.
FT   ACT_SITE    108    108       Potential.
SQ   SEQUENCE   341 AA;  37189 MW;  3FE814BF4EFAAC1E CRC64;
     MTEMFYDDDA DLSIIQGRKV AIVGYGSQGH AHALNLRDSG VEVTIALKEG SSSIAKAQDA
     GFTVKNVADA AEWADVIMIL APDQHQRSIY NDSIKDKLTP GKALAFAHGF NIRFGYIKAP
     EGVDVILIAP KAPGHTVRRE FEAGRGIPDI IAVEQDATGA AWDLAKSYAK AIGGTRAGVI
     KTTFTEETET DLFGEQAVLC GGVSQLVQYG FETLTEAGYQ PQIAYFEVLH ELKLIVDLMW
     EGGIAKQRWS VSDTAEYGDY VSGPRVITPE VKENMKAVLA DIQNGAFAKR FIEDQDNGGV
     EFKALRAKAE QHPIESVGRE LRGLFSWQQQ DEDYVEGSAA R
//