ID G3H0B5_CRIGR Unreviewed; 366 AA.
AC G3H0B5;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 27-MAR-2024, entry version 54.
DE RecName: Full=Isocitrate dehydrogenase [NAD] subunit, mitochondrial {ECO:0000256|RuleBase:RU361266};
GN ORFNames=I79_003570 {ECO:0000313|EMBL:EGW03747.1};
OS Cricetulus griseus (Chinese hamster) (Cricetulus barabensis griseus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea;
OC Cricetidae; Cricetinae; Cricetulus.
OX NCBI_TaxID=10029 {ECO:0000313|EMBL:EGW03747.1, ECO:0000313|Proteomes:UP000001075};
RN [1] {ECO:0000313|Proteomes:UP000001075}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CHO K1 cell line {ECO:0000313|Proteomes:UP000001075};
RX PubMed=21804562; DOI=10.1038/nbt.1932;
RA Xu X., Nagarajan H., Lewis N.E., Pan S., Cai Z., Liu X., Chen W., Xie M.,
RA Wang W., Hammond S., Andersen M.R., Neff N., Passarelli B., Koh W.,
RA Fan H.C., Wang J., Gui Y., Lee K.H., Betenbaugh M.J., Quake S.R.,
RA Famili I., Palsson B.O., Wang J.;
RT "The genomic sequence of the Chinese hamster ovary (CHO)-K1 cell line.";
RL Nat. Biotechnol. 29:735-741(2011).
CC -!- FUNCTION: Catalytic subunit of the enzyme which catalyzes the
CC decarboxylation of isocitrate (ICT) into alpha-ketoglutarate. The
CC heterodimer composed of the alpha (IDH3A) and beta (IDH3B) subunits and
CC the heterodimer composed of the alpha (IDH3A) and gamma (IDH3G)
CC subunits, have considerable basal activity but the full activity of the
CC heterotetramer (containing two subunits of IDH3A, one of IDH3B and one
CC of IDH3G) requires the assembly and cooperative function of both
CC heterodimers. {ECO:0000256|ARBA:ARBA00037577}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=D-threo-isocitrate + NAD(+) = 2-oxoglutarate + CO2 + NADH;
CC Xref=Rhea:RHEA:23632, ChEBI:CHEBI:15562, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:16810, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.1.1.41;
CC Evidence={ECO:0000256|ARBA:ARBA00037023};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:23633;
CC Evidence={ECO:0000256|ARBA:ARBA00037023};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|ARBA:ARBA00001936};
CC -!- SUBUNIT: Heterooligomer of subunits alpha (IDH3A), beta (IDH3B), and
CC gamma (IDH3G) in the apparent ratio of 2:1:1. The heterodimer
CC containing one IDH3A and one IDH3B subunit and the heterodimer
CC containing one IDH3A and one IDH3G subunit assemble into a
CC heterotetramer (which contains two subunits of IDH3A, one of IDH3B and
CC one of IDH3G) and further into the heterooctamer.
CC {ECO:0000256|ARBA:ARBA00011525}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion {ECO:0000256|ARBA:ARBA00004173,
CC ECO:0000256|RuleBase:RU361266}.
CC -!- SIMILARITY: Belongs to the isocitrate and isopropylmalate
CC dehydrogenases family. {ECO:0000256|ARBA:ARBA00007769,
CC ECO:0000256|RuleBase:RU361266}.
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DR EMBL; JH000090; EGW03747.1; -; Genomic_DNA.
DR AlphaFoldDB; G3H0B5; -.
DR STRING; 10029.G3H0B5; -.
DR PaxDb; 10029-XP_007616055-1; -.
DR eggNOG; KOG0785; Eukaryota.
DR InParanoid; G3H0B5; -.
DR OMA; CVRPCRY; -.
DR Proteomes; UP000001075; Unassembled WGS sequence.
DR GO; GO:0005739; C:mitochondrion; IEA:UniProtKB-SubCell.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0051287; F:NAD binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016616; F:oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor; IEA:InterPro.
DR GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.718.10; Isopropylmalate Dehydrogenase; 1.
DR InterPro; IPR019818; IsoCit/isopropylmalate_DH_CS.
DR InterPro; IPR004434; Isocitrate_DH_NAD.
DR InterPro; IPR024084; IsoPropMal-DH-like_dom.
DR NCBIfam; TIGR00175; mito_nad_idh; 1.
DR PANTHER; PTHR11835; DECARBOXYLATING DEHYDROGENASES-ISOCITRATE, ISOPROPYLMALATE, TARTRATE; 1.
DR PANTHER; PTHR11835:SF34; ISOCITRATE DEHYDROGENASE [NAD] SUBUNIT ALPHA, MITOCHONDRIAL; 1.
DR Pfam; PF00180; Iso_dh; 1.
DR SMART; SM01329; Iso_dh; 1.
DR SUPFAM; SSF53659; Isocitrate/Isopropylmalate dehydrogenase-like; 1.
DR PROSITE; PS00470; IDH_IMDH; 1.
PE 3: Inferred from homology;
KW Magnesium {ECO:0000256|ARBA:ARBA00022842};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Mitochondrion {ECO:0000256|RuleBase:RU361266};
KW Reference proteome {ECO:0000313|Proteomes:UP000001075};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946,
KW ECO:0000256|RuleBase:RU361266};
KW Tricarboxylic acid cycle {ECO:0000256|ARBA:ARBA00022532,
KW ECO:0000256|RuleBase:RU361266}.
FT DOMAIN 33..358
FT /note="Isopropylmalate dehydrogenase-like"
FT /evidence="ECO:0000259|SMART:SM01329"
SQ SEQUENCE 366 AA; 39684 MW; 669AA5B721B31F93 CRC64;
MAGSAWVSKV SRLLGAFHNT KQVTRGFAGG VQTVTLIPGD GIGPEISASV MKIFDAAKAP
IQWEERNVTA IQGPGGKWMI PPEAKESMDK NKMGLKGPLK TPIAAGHPSM NLLLRKTFDL
YANVRPCVSI EGYKTPYTDV NIVTIRENTE GEYSGIEHVI VDGVVQSIKL ITEQASKRIA
EFAFEYARNN HRSNVTAVHK ANIMRMSDGL FLQKCREVAE NCKDIKFNEM YLDTVCLNMV
QDPSQFDVLV MPNLYGDILS DLCAGLIGGL GVTPSGNIGA NGVAIFESVH GTAPDIAGKD
MANPTALLLS AVMMLRHMGL FDHAAKIETA CFATIKDGKS LTKDLGGNSK CSDFTEEICR
RVKDLD
//
