PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22983554-4 2012 We find that ASAP1 serves as a scaffold that brings together the proteins necessary for transport to the cilia including the GTP-binding protein Arf4 and the two G proteins of the Rab family--Rab11 and Rab8--linked by the Rab8 guanine nucleotide exchange factor Rabin8. Guanine Nucleotides 227-245 ADP ribosylation factor 4 Homo sapiens 145-149