ID A0A059LNU6_9CHLO Unreviewed; 299 AA.
AC A0A059LNU6;
DT 09-JUL-2014, integrated into UniProtKB/TrEMBL.
DT 09-JUL-2014, sequence version 1.
DT 24-JAN-2024, entry version 34.
DE RecName: Full=3-hydroxyisobutyrate dehydrogenase {ECO:0000256|ARBA:ARBA00012991};
DE EC=1.1.1.31 {ECO:0000256|ARBA:ARBA00012991};
GN ORFNames=H632_c466p1 {ECO:0000313|EMBL:KDD75861.1};
OS Helicosporidium sp. ATCC 50920.
OC Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Trebouxiophyceae;
OC Chlorellales; Chlorellaceae; Helicosporidium.
OX NCBI_TaxID=1291522 {ECO:0000313|EMBL:KDD75861.1, ECO:0000313|Proteomes:UP000026042};
RN [1] {ECO:0000313|EMBL:KDD75861.1, ECO:0000313|Proteomes:UP000026042}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 50920 {ECO:0000313|EMBL:KDD75861.1,
RC ECO:0000313|Proteomes:UP000026042};
RX PubMed=24809511;
RA Pombert J.F., Blouin N.A., Lane C., Boucias D., Keeling P.J.;
RT "A lack of parasitic reduction in the obligate parasitic green alga
RT helicosporidium.";
RL PLoS Genet. 10:E1004355-E1004355(2014).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=3-hydroxy-2-methylpropanoate + NAD(+) = 2-methyl-3-
CC oxopropanoate + H(+) + NADH; Xref=Rhea:RHEA:17681, ChEBI:CHEBI:11805,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57540, ChEBI:CHEBI:57700,
CC ChEBI:CHEBI:57945; EC=1.1.1.31;
CC Evidence={ECO:0000256|ARBA:ARBA00000062};
CC -!- PATHWAY: Amino-acid degradation; L-valine degradation.
CC {ECO:0000256|ARBA:ARBA00005109}.
CC -!- SIMILARITY: Belongs to the HIBADH-related family. 3-hydroxyisobutyrate
CC dehydrogenase subfamily. {ECO:0000256|ARBA:ARBA00006013}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KDD75861.1}.
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DR EMBL; AYPS01000466; KDD75861.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A059LNU6; -.
DR STRING; 1291522.A0A059LNU6; -.
DR OrthoDB; 203032at2759; -.
DR UniPathway; UPA00362; -.
DR Proteomes; UP000026042; Unassembled WGS sequence.
DR GO; GO:0008442; F:3-hydroxyisobutyrate dehydrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR GO; GO:0050661; F:NADP binding; IEA:InterPro.
DR GO; GO:0006574; P:valine catabolic process; IEA:UniProtKB-UniPathway.
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; IPR006115; 6PGDH_NADP-bd.
DR InterPro; IPR011548; HIBADH.
DR InterPro; IPR029154; HIBADH-like_NADP-bd.
DR InterPro; IPR015815; HIBADH-related.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR NCBIfam; TIGR01692; HIBADH; 1.
DR PANTHER; PTHR22981:SF7; 3-HYDROXYISOBUTYRATE DEHYDROGENASE, MITOCHONDRIAL; 1.
DR PANTHER; PTHR22981; 3-HYDROXYISOBUTYRATE DEHYDROGENASE-RELATED; 1.
DR Pfam; PF14833; NAD_binding_11; 1.
DR Pfam; PF03446; NAD_binding_2; 1.
DR PIRSF; PIRSF000103; HIBADH; 1.
DR SUPFAM; SSF48179; 6-phosphogluconate dehydrogenase C-terminal domain-like; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
PE 3: Inferred from homology;
KW Branched-chain amino acid catabolism {ECO:0000256|ARBA:ARBA00022456};
KW NAD {ECO:0000256|ARBA:ARBA00023027};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000026042}.
FT DOMAIN 1..163
FT /note="6-phosphogluconate dehydrogenase NADP-binding"
FT /evidence="ECO:0000259|Pfam:PF03446"
FT DOMAIN 166..287
FT /note="3-hydroxyisobutyrate dehydrogenase-like NAD-binding"
FT /evidence="ECO:0000259|Pfam:PF14833"
FT ACT_SITE 172
FT /evidence="ECO:0000256|PIRSR:PIRSR000103-1"
SQ SEQUENCE 299 AA; 30581 MW; D40DE5BD984DD949 CRC64;
MGNGMARNLL KAGHKVLVFD RSKDAVASLV CDGATAAKSV TQLATTPGLS VLITMLPSND
SVRDTYIGSE GILRLPSSEL HAPLLIDSST VDPLLSRELA AAAAEARLAE SARAPQMVDA
PVSGGVAAAS AGTLTFMVGG SANAVGAARP YLERMGKKVV HCGDAGAGQA TKLCNNLALG
VSMAGVAEAL ALGQRLGLDL RVLSDVFNGA TARCWSSDTY NPVPGVMENV PAARGYKNGF
GAALMLKDLG LAAQAGAACN APLPMSDAAR ELYARLAKHD PTMDFSGVFQ EIFGGKPQV
//