ID A0Q6R2_FRATN Unreviewed; 347 AA.
AC A0Q6R2;
DT 09-JAN-2007, integrated into UniProtKB/TrEMBL.
DT 09-JAN-2007, sequence version 1.
DT 27-MAR-2024, entry version 115.
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 Name=ilvC {ECO:0000313|EMBL:ABK89927.1};
GN OrderedLocusNames=FTN_1040 {ECO:0000313|EMBL:ABK89927.1};
GN ORFNames=AW25_968 {ECO:0000313|EMBL:AJI60321.1};
OS Francisella tularensis subsp. novicida (strain U112).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Francisellaceae; Francisella.
OX NCBI_TaxID=401614 {ECO:0000313|EMBL:ABK89927.1, ECO:0000313|Proteomes:UP000000762};
RN [1] {ECO:0000313|EMBL:ABK89927.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=U112 {ECO:0000313|EMBL:ABK89927.1};
RA Brittnacher M., Rohmer L., Zhou Y., Abmayr S., D'Argenio D., Bovee D.,
RA Chang J., Chen J., Drees B., Ernst R., Fong C., Forsman M., Gallagher L.,
RA Gallis B., Gillett W., Goodlett D., Guina T., Guenthner D., Haugen E.,
RA Hayden H., Jacobs M., Kang A., Larson Freeman T., Levy R., Lim R.,
RA Manoil C., Olson M.V., Radey M., Shaffer S., Svensson K., Taylor G.,
RA Wasnick M., Kaul R., Miller S.I.;
RL Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Proteomes:UP000000762}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=U112 {ECO:0000313|Proteomes:UP000000762};
RX PubMed=17550600; DOI=10.1186/gb-2007-8-6-r102;
RA Rohmer L., Fong C., Abmayr S., Wasnick M., Larson Freeman T.J., Radey M.,
RA Guina T., Svensson K., Hayden H.S., Jacobs M., Gallagher L.A., Manoil C.,
RA Ernst R.K., Drees B., Buckley D., Haugen E., Bovee D., Zhou Y., Chang J.,
RA Levy R., Lim R., Gillett W., Guenthener D., Kang A., Shaffer S.A.,
RA Taylor G., Chen J., Gallis B., D'Argenio D.A., Forsman M., Olson M.V.,
RA Goodlett D.R., Kaul R., Miller S.I., Brittnacher M.J.;
RT "Comparison of Francisella tularensis genomes reveals evolutionary events
RT associated with the emergence of human pathogenic strains.";
RL Genome Biol. 8:R102.1-R102.16(2007).
RN [3] {ECO:0000313|EMBL:AJI60321.1, ECO:0000313|Proteomes:UP000031872}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=U112 {ECO:0000313|EMBL:AJI60321.1,
RC ECO:0000313|Proteomes:UP000031872};
RX PubMed=25931589;
RA Johnson S.L., Daligault H.E., Davenport K.W., Coyne S.R., Frey K.G.,
RA Koroleva G.I., Broomall S.M., Bishop-Lilly K.A., Bruce D.C., Chertkov O.,
RA Freitas T., Jaissle J., Ladner J.T., Rosenzweig C.N., Gibbons H.S.,
RA Palacios G.F., Redden C.L., Xu Y., Minogue T.D., Chain P.S.;
RT "Genome sequencing of 18 francisella strains to aid in assay development
RT and testing.";
RL Genome Announc. 3:0-0(2015).
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}.
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DR EMBL; CP000439; ABK89927.1; -; Genomic_DNA.
DR EMBL; CP009633; AJI60321.1; -; Genomic_DNA.
DR RefSeq; WP_003034100.1; NZ_CP009633.1.
DR AlphaFoldDB; A0Q6R2; -.
DR KEGG; ftn:FTN_1040; -.
DR KEGG; ftx:AW25_968; -.
DR BioCyc; FTUL401614:G1G75-1083-MONOMER; -.
DR UniPathway; UPA00047; UER00056.
DR UniPathway; UPA00049; UER00060.
DR Proteomes; UP000000762; Chromosome.
DR Proteomes; UP000031872; 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; 1.
DR Pfam; PF07991; IlvN; 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|PROSITE-ProRule:PRU01198};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|PROSITE-ProRule:PRU01198};
KW Isomerase {ECO:0000313|EMBL:AJI60321.1};
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}.
FT DOMAIN 9..199
FT /note="KARI N-terminal Rossmann"
FT /evidence="ECO:0000259|PROSITE:PS51850"
FT DOMAIN 200..347
FT /note="KARI C-terminal knotted"
FT /evidence="ECO:0000259|PROSITE:PS51851"
FT BINDING 208
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 208
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 212
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 244
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 248
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 270
FT /ligand="substrate"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
SQ SEQUENCE 347 AA; 37939 MW; 863A859E58B08DC4 CRC64;
MAKMKFGSVE ETVITQQEFT LEKALETLKD ETIAIIGYGV QGPAQALNLR DNGFNVIIGQ
RENSKSWDKA IEDGWVAGKS LFNIAEATAK GTIVVNLLSD AGQIASWSTI KENLKAGDLL
MFSHGFGVTY SEKTSIIPPA DVDVALVAPK GSGTSVRRLF LAKKGINSSY AIYQDATGKA
EKRTLAYGIG VGSGYLFETT FEKEVYSDLT GERGVLMGAL AGIIEAQYEV LRANGHSPSE
AFNETVEELT QSLVPLVAEN GMDWMFANCS TTAQRGALDW APKFRDATKG VFAELYNEVK
NGNEAQRTID KNSHADYRKD LEKELEELSQ KEVWQAGKTV RSLRPNK
//
