PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7853016-2 1994 Like other guanine nucleotide-binding proteins p21ras is active when GTP bound and inactive when GDP bound. Guanosine Diphosphate 97-100 H3 histone pseudogene 16 Homo sapiens 47-50