PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11438522-5 2001 We show here that a serine/threonine motif within the short polybasic stretch of cytohesin-1 is phosphorylated by purified protein kinase C delta in vitro. Serine 20-26 cytohesin 1 Homo sapiens 81-92