ID C3NBL1_SULIY Unreviewed; 332 AA.
AC C3NBL1;
DT 16-JUN-2009, integrated into UniProtKB/TrEMBL.
DT 16-JUN-2009, sequence version 1.
DT 27-MAR-2024, entry version 67.
DE SubName: Full=Ketol-acid reductoisomerase {ECO:0000313|EMBL:ACP44996.1};
DE EC=1.1.1.86 {ECO:0000313|EMBL:ACP44996.1};
GN OrderedLocusNames=YG5714_0707 {ECO:0000313|EMBL:ACP44996.1};
OS Sulfolobus islandicus (strain Y.G.57.14 / Yellowstone #1).
OC Archaea; Thermoproteota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC Sulfolobus.
OX NCBI_TaxID=439386 {ECO:0000313|EMBL:ACP44996.1, ECO:0000313|Proteomes:UP000002308};
RN [1] {ECO:0000313|EMBL:ACP44996.1, ECO:0000313|Proteomes:UP000002308}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Y.G.57.14 / Yellowstone #1 {ECO:0000313|Proteomes:UP000002308};
RX PubMed=19435847; DOI=10.1073/pnas.0808945106;
RA Reno M.L., Held N.L., Fields C.J., Burke P.V., Whitaker R.J.;
RT "Biogeography of the Sulfolobus islandicus pan-genome.";
RL Proc. Natl. Acad. Sci. U.S.A. 106:8605-8610(2009).
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; CP001403; ACP44996.1; -; Genomic_DNA.
DR RefSeq; WP_012715808.1; NC_012622.1.
DR AlphaFoldDB; C3NBL1; -.
DR GeneID; 7809956; -.
DR KEGG; siy:YG5714_0707; -.
DR HOGENOM; CLU_033821_0_0_2; -.
DR UniPathway; UPA00047; UER00056.
DR UniPathway; UPA00049; UER00060.
DR Proteomes; UP000002308; 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; 6.10.240.10; -; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR InterPro; IPR008927; 6-PGluconate_DH-like_C_sf.
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:ACP44996.1};
KW Magnesium {ECO:0000256|PROSITE-ProRule:PRU01198};
KW Metal-binding {ECO:0000256|PROSITE-ProRule:PRU01198};
KW NADP {ECO:0000256|ARBA:ARBA00022857};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|PROSITE-
KW ProRule:PRU01198}.
FT DOMAIN 1..182
FT /note="KARI N-terminal Rossmann"
FT /evidence="ECO:0000259|PROSITE:PS51850"
FT DOMAIN 183..329
FT /note="KARI C-terminal knotted"
FT /evidence="ECO:0000259|PROSITE:PS51851"
FT BINDING 191
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 191
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 195
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
SQ SEQUENCE 332 AA; 37043 MW; FF98E03D0A28A1DC CRC64;
MDKTVLDASL EPLKGKTIAV IGYGNQGRVQ ANIMRENGLN VIIGNVKDRY YDLAIKEGFE
VYDIGEAVKK ADVAFLLIPD EIMKEIYEKK IAPILEGKKE FVLDFASGYN VAFGLIRPPK
NVDTVMVAPR MVGEGIMDLH KQGKGYPVLL GVKQDASGKA WDYAKAIAKG IGAIPGGIAV
ISSFEEEALL DLMSEHTWVP ILFGAIKACF DVAVKEYGVS PEAALLEFYA SGELAEIARL
IAEEGIFNQM VHHSTTSQYG TLTRMFKYYD LVKEIVKDEA KYIWDGSFAK EWTLEQQAGY
PVFYRLWELA VQSEMAKAEK ELYKILRRKV SD
//
