PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17468208-1 2007 NAD-dependent isocitrate dehydrogenase (IDH) is a tricarboxylic acid cycle enzyme that produces 2-oxoglutarate, an organic acid required by the glutamine synthetase/glutamate synthase cycle to assimilate ammonium. organic acid 115-127 hypothetical protein Arabidopsis thaliana 144-164