PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11733506-1 2002 The small GTPase Rab family, which cycles between GTP-bound active and GDP-bound inactive states, plays an important role in membrane trafficking. Guanosine Diphosphate 71-74 RAB5A, member RAS oncogene family Homo sapiens 17-20