PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8226999-12 1993 The S35N mutation, which is immediately downstream of the first GTP/GDP binding motif, decreased guanine nucleotide binding by approximately 4-fold and partially inactivated rab5. Guanosine Diphosphate 68-71 RAB5A, member RAS oncogene family Homo sapiens 174-178