ID Q12IN6_SHEDO Unreviewed; 492 AA.
AC Q12IN6;
DT 22-AUG-2006, integrated into UniProtKB/TrEMBL.
DT 22-AUG-2006, sequence version 1.
DT 27-MAR-2024, entry version 128.
DE RecName: Full=Ketol-acid reductoisomerase (NADP(+)) {ECO:0000256|ARBA:ARBA00015731};
DE EC=1.1.1.86 {ECO:0000256|ARBA:ARBA00013102};
DE AltName: Full=Acetohydroxy-acid isomeroreductase {ECO:0000256|ARBA:ARBA00032744};
GN OrderedLocusNames=Sden_3415 {ECO:0000313|EMBL:ABE56690.1};
OS Shewanella denitrificans (strain OS217 / ATCC BAA-1090 / DSM 15013).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Shewanellaceae; Shewanella.
OX NCBI_TaxID=318161 {ECO:0000313|EMBL:ABE56690.1, ECO:0000313|Proteomes:UP000001982};
RN [1] {ECO:0000313|EMBL:ABE56690.1, ECO:0000313|Proteomes:UP000001982}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=OS217 / ATCC BAA-1090 / DSM 15013
RC {ECO:0000313|Proteomes:UP000001982};
RG US DOE Joint Genome Institute;
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., Pitluck S.,
RA Brettin T., Bruce D., Han C., Tapia R., Gilna P., Kiss H., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Lykidis A., Richardson P.;
RT "Complete sequence of Shewanella denitrificans OS217.";
RL Submitted (MAR-2006) 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|ARBA:ARBA00000507};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
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 -!- SIMILARITY: Belongs to the ketol-acid reductoisomerase family.
CC {ECO:0000256|ARBA:ARBA00010318, ECO:0000256|PROSITE-ProRule:PRU01198}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|PROSITE-ProRule:PRU01198}.
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DR EMBL; CP000302; ABE56690.1; -; Genomic_DNA.
DR RefSeq; WP_011497832.1; NC_007954.1.
DR AlphaFoldDB; Q12IN6; -.
DR STRING; 318161.Sden_3415; -.
DR KEGG; sdn:Sden_3415; -.
DR eggNOG; COG0059; Bacteria.
DR HOGENOM; CLU_551905_0_0_6; -.
DR OrthoDB; 9804088at2; -.
DR UniPathway; UPA00047; UER00056.
DR UniPathway; UPA00049; UER00060.
DR Proteomes; UP000001982; Chromosome.
DR GO; GO:0016853; F:isomerase activity; IEA:UniProtKB-KW.
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; 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; 2.
DR Pfam; PF07991; IlvN; 1.
DR SUPFAM; SSF48179; 6-phosphogluconate dehydrogenase C-terminal domain-like; 2.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR PROSITE; PS51851; KARI_C; 2.
DR PROSITE; PS51850; KARI_N; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605,
KW ECO:0000256|PROSITE-ProRule:PRU01198};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|PROSITE-ProRule:PRU01198};
KW Isomerase {ECO:0000313|EMBL:ABE56690.1};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PROSITE-
KW ProRule:PRU01198};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|PROSITE-
KW ProRule:PRU01198};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|PROSITE-
KW ProRule:PRU01198}; Reference proteome {ECO:0000313|Proteomes:UP000001982}.
FT DOMAIN 17..208
FT /note="KARI N-terminal Rossmann"
FT /evidence="ECO:0000259|PROSITE:PS51850"
FT DOMAIN 209..353
FT /note="KARI C-terminal knotted"
FT /evidence="ECO:0000259|PROSITE:PS51851"
FT DOMAIN 354..486
FT /note="KARI C-terminal knotted"
FT /evidence="ECO:0000259|PROSITE:PS51851"
FT BINDING 217
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 217
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 221
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 278
FT /ligand="substrate"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 389
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 393
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 414
FT /ligand="substrate"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
SQ SEQUENCE 492 AA; 53953 MW; A762F8DA9D839186 CRC64;
MANYFNSLNL RQQLAQLAQC RFMDQGEFAQ GCEHLKGWNI VILGCGAQGL NQGLNMRDSG
LNIAFALRSA AISERRASWQ KATDNGFRVG TFEALIPDAD LVLNLTPDKQ HSNVVNTIMP
LMKQGATLSY SHGFNIVEEG MQVRKDLTVI MVAPKCPGTE VREEYKRGFG VPTLIAVHPE
NDPNGDGLVI AKAYASATGG DRAGVLLSSF VAEVKSDLMG EQTILCGMLQ TGAILGYEKM
VSDGVEPGFA AKLIQQGWET VTEALKHGGI THMMDRLSNP AKIKAFDTAE ELKVLLKPLF
EKHMDDIISG EFSRNMMADW ANDDANLLRW RAETSDTGFE NAPKSQEPID EQDYFDKGIF
LVAMIKAGVE LAFDTMVAAG IVEESAYYES LHETPLIANT IARKRLYEMN VVISDTAEYG
CYLFNHAAVP LLKDYVNAMP AELLGKGLGN ISNKVDNQKL IQVNQAVRHT GVEQVGAKLR
GYMTQMKDIA AS
//
