isocitrate dehydrogenase IV isocitrate dehydrogenase IV (IDH-IV); FUNCTIONS IN: oxidoreductase activity, NAD or NADH binding, magnesium ion binding, oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor; INVOLVED IN: oxidation reduction, metabolic process; CONTAINS InterPro DOMAIN/s: Isocitrate/isopropylmalate dehydrogenase (InterPro:IPR001804); BEST Arabidopsis thaliana protein match is: isocitrate dehydrogenase 1 (TAIR:AT4G35260.1); Has 12323 Blast hits to 12322 proteins in 2503 species: Archae - 387; Bacteria - 7994; Metazoa - 590; Fungi - 529; Plants - 231; Viruses - 0; Other Eukaryotes - 2592 (source: NCBI BLink). IDH-IV AT1G32480