PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16963453-1 2006 We found that engagement of beta2 integrins on human neutrophils increased the levels of GTP-bound Rap1 and Rap2. Guanosine Triphosphate 89-92 RAP1A, member of RAS oncogene family Homo sapiens 99-103