ID A0A0C9ZJ13_9AGAM Unreviewed; 409 AA.
AC A0A0C9ZJ13;
DT 29-APR-2015, integrated into UniProtKB/TrEMBL.
DT 29-APR-2015, sequence version 1.
DT 24-JAN-2024, entry version 32.
DE RecName: Full=Ketol-acid reductoisomerase, mitochondrial {ECO:0000256|PIRNR:PIRNR000119};
DE EC=1.1.1.86 {ECO:0000256|PIRNR:PIRNR000119};
DE AltName: Full=Acetohydroxy-acid reductoisomerase {ECO:0000256|PIRNR:PIRNR000119};
DE AltName: Full=Alpha-keto-beta-hydroxylacyl reductoisomerase {ECO:0000256|PIRNR:PIRNR000119};
GN ORFNames=CY34DRAFT_459546 {ECO:0000313|EMBL:KIK37420.1};
OS Suillus luteus UH-Slu-Lm8-n1.
OC Eukaryota; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Agaricomycetes;
OC Agaricomycetidae; Boletales; Suillineae; Suillaceae; Suillus.
OX NCBI_TaxID=930992 {ECO:0000313|EMBL:KIK37420.1, ECO:0000313|Proteomes:UP000054485};
RN [1] {ECO:0000313|EMBL:KIK37420.1, ECO:0000313|Proteomes:UP000054485}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=UH-Slu-Lm8-n1 {ECO:0000313|EMBL:KIK37420.1,
RC ECO:0000313|Proteomes:UP000054485};
RG DOE Joint Genome Institute;
RA Kuo A., Ruytinx J., Rineau F., Colpaert J., Kohler A., Nagy L.G.,
RA Floudas D., Copeland A., Barry K.W., Cichocki N., Veneault-Fourrey C.,
RA LaButti K., Lindquist E.A., Lipzen A., Lundell T., Morin E., Murat C.,
RA Sun H., Tunlid A., Henrissat B., Grigoriev I.V., Hibbett D.S., Martin F.,
RA Nordberg H.P., Cantor M.N., Hua S.X.;
RL Submitted (APR-2014) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Proteomes:UP000054485}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=UH-Slu-Lm8-n1 {ECO:0000313|Proteomes:UP000054485};
RG DOE Joint Genome Institute;
RG Mycorrhizal Genomics Consortium;
RA Kohler A., Kuo A., Nagy L.G., Floudas D., Copeland A., Barry K.W.,
RA Cichocki N., Veneault-Fourrey C., LaButti K., Lindquist E.A., Lipzen A.,
RA Lundell T., Morin E., Murat C., Riley R., Ohm R., Sun H., Tunlid A.,
RA Henrissat B., Grigoriev I.V., Hibbett D.S., Martin F.;
RT "Evolutionary Origins and Diversification of the Mycorrhizal Mutualists.";
RL Submitted (JAN-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2R)-2,3-dihydroxy-3-methylbutanoate + NADP(+) = (2S)-2-
CC acetolactate + H(+) + NADPH; Xref=Rhea:RHEA:22068, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:49072, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC ChEBI:CHEBI:58476; EC=1.1.1.86;
CC Evidence={ECO:0000256|PIRNR:PIRNR000119};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2R,3R)-2,3-dihydroxy-3-methylpentanoate + NADP(+) = (S)-2-
CC ethyl-2-hydroxy-3-oxobutanoate + H(+) + NADPH; Xref=Rhea:RHEA:13493,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:49256, ChEBI:CHEBI:49258,
CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349; EC=1.1.1.86;
CC Evidence={ECO:0000256|PIRNR:PIRNR000119};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRNR:PIRNR000119};
CC Note=Binds 2 magnesium ions per subunit.
CC {ECO:0000256|PIRNR:PIRNR000119};
CC -!- PATHWAY: Amino-acid biosynthesis; L-isoleucine biosynthesis; L-
CC isoleucine from 2-oxobutanoate: step 2/4.
CC {ECO:0000256|ARBA:ARBA00004885}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-valine biosynthesis; L-valine from
CC pyruvate: step 2/4. {ECO:0000256|ARBA:ARBA00004864}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion {ECO:0000256|PIRNR:PIRNR000119}.
CC -!- SIMILARITY: Belongs to the ketol-acid reductoisomerase family.
CC {ECO:0000256|ARBA:ARBA00010318, ECO:0000256|PIRNR:PIRNR000119,
CC ECO:0000256|PROSITE-ProRule:PRU01198}.
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DR EMBL; KN835452; KIK37420.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0C9ZJ13; -.
DR STRING; 930992.A0A0C9ZJ13; -.
DR HOGENOM; CLU_033821_1_2_1; -.
DR InParanoid; A0A0C9ZJ13; -.
DR OrthoDB; 1090117at2759; -.
DR UniPathway; UPA00047; UER00056.
DR UniPathway; UPA00049; UER00060.
DR Proteomes; UP000054485; Unassembled WGS sequence.
DR GO; GO:0005739; C:mitochondrion; IEA:UniProtKB-SubCell.
DR GO; GO:0004455; F:ketol-acid reductoisomerase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0009099; P:valine biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR InterPro; IPR008927; 6-PGluconate_DH-like_C_sf.
DR InterPro; IPR013328; 6PGD_dom2.
DR InterPro; IPR013023; KARI.
DR InterPro; IPR000506; KARI_C.
DR InterPro; IPR013116; KARI_N.
DR InterPro; IPR016207; KetolA_reductoisomerase_fun.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR NCBIfam; TIGR00465; ilvC; 1.
DR PANTHER; PTHR21371; KETOL-ACID REDUCTOISOMERASE, MITOCHONDRIAL; 1.
DR PANTHER; PTHR21371:SF1; KETOL-ACID REDUCTOISOMERASE, MITOCHONDRIAL; 1.
DR Pfam; PF01450; IlvC; 1.
DR Pfam; PF07991; IlvN; 1.
DR PIRSF; PIRSF000119; Ilv5_fungal; 1.
DR SUPFAM; SSF48179; 6-phosphogluconate dehydrogenase C-terminal domain-like; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR PROSITE; PS51851; KARI_C; 1.
DR PROSITE; PS51850; KARI_N; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605,
KW ECO:0000256|PIRNR:PIRNR000119};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|PIRNR:PIRNR000119};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PIRNR:PIRNR000119};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRNR:PIRNR000119};
KW Mitochondrion {ECO:0000256|PIRNR:PIRNR000119};
KW NADP {ECO:0000256|PIRNR:PIRNR000119};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR000119};
KW Reference proteome {ECO:0000313|Proteomes:UP000054485}.
FT DOMAIN 69..258
FT /note="KARI N-terminal Rossmann"
FT /evidence="ECO:0000259|PROSITE:PS51850"
FT DOMAIN 259..406
FT /note="KARI C-terminal knotted"
FT /evidence="ECO:0000259|PROSITE:PS51851"
FT BINDING 267
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 267
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 271
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 303
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 307
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 329
FT /ligand="substrate"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
SQ SEQUENCE 409 AA; 44865 MW; 00F2D8432DAFD968 CRC64;
MASIASRSAS ALRAASRRAP RAGAKIAVKP AQSASYSLLA RQALAGTSRK PAFQSAARGV
KTLNFAGTEE VVYERSDWPL AKLQDYFKND TLALIGYGSQ GHGQGLNARD NGLNVIVGVR
KDGESWRQAM EDGWVPGETL FPIEDAINRG TIIMNLLSDA AQSQTWSTVA PLITKGKTLY
FSHGFSVVYK EDTKVIPPKD VDVILVAPKG SGRTVRTLFK EGRGINSSVA VFQDVTGQAM
EKAVALGVAV GSGYMYETTF EKEVYSDLYG ERGVLMGAIQ GLFCAQYKVL RANGHSPSEA
FNETVEEATQ SLYPLIGQKG MDYMYNACST TARRGALDWA PIFEKTNTPI FEQLYESVRN
GTETRKSLEF NGRSTYRQDL AKELKEIDDQ EIWRAGKTVR SLRPDYKAE
//