PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8419360-10 1993 The all-trans-GGPP synthase activity exhibited high affinities for its substrates, i.e. the apparent Km values for FPP and IPP were found to be 0.6 and 3.5 microM, respectively. isopentenyl pyrophosphate 123-126 geranylgeranyl diphosphate synthase 1 Rattus norvegicus 14-27