ID A0A1I5QYK6_9BACT Unreviewed; 347 AA.
AC A0A1I5QYK6;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 25.
DE RecName: Full=Acetohydroxy-acid isomeroreductase {ECO:0000256|ARBA:ARBA00032744};
GN ORFNames=SAMN04515674_103432 {ECO:0000313|EMBL:SFP51335.1};
OS Pseudarcicella hirudinis.
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Spirosomataceae;
OC Pseudarcicella.
OX NCBI_TaxID=1079859 {ECO:0000313|EMBL:SFP51335.1, ECO:0000313|Proteomes:UP000199306};
RN [1] {ECO:0000313|EMBL:SFP51335.1, ECO:0000313|Proteomes:UP000199306}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=E92,LMG 26720,CCM 7988 {ECO:0000313|Proteomes:UP000199306};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
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 ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; FOXH01000003; SFP51335.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1I5QYK6; -.
DR STRING; 1079859.SAMN04515674_103432; -.
DR OrthoDB; 9804088at2; -.
DR UniPathway; UPA00047; UER00056.
DR UniPathway; UPA00049; UER00060.
DR Proteomes; UP000199306; Unassembled WGS sequence.
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:SFP51335.1};
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:UP000199306}.
FT DOMAIN 10..198
FT /note="KARI N-terminal Rossmann"
FT /evidence="ECO:0000259|PROSITE:PS51850"
FT DOMAIN 199..346
FT /note="KARI C-terminal knotted"
FT /evidence="ECO:0000259|PROSITE:PS51851"
FT BINDING 207
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 207
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 211
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 243
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 247
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
FT BINDING 269
FT /ligand="substrate"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01198"
SQ SEQUENCE 347 AA; 38131 MW; EE100BD9FB1412F7 CRC64;
MAQINFGGTV EDVVTREEFP LEKARQVLSD QTIAVIGYGV QGPGQALNMK DNGLNVIVGQ
RKGKTYDKAV ADGWVPGETL FEIEEALEKG TIICYLLSDA AQIELWPTVK KYLTAGKSLY
FSHGFGITYK EKTGIVPPAD VDVFLAAPKG SGTSLRRLFV EGKGLNSSFA VYQDATGTAR
EKCIAMAIGV GSGYLFETDF YKEVTSDLTG ERGTLMGAIQ GIFAAQYEVL RENGHSPSEA
FNETVEELTQ SLMPLVAENG MDWMYANCST TAQRGALDWW KPFKEATKPV FAKLYDSVKT
QAEAARSIDL NSQPDYRPKL EAELKDLRES EMWQAGAAVR SLRPERN
//
