PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26844834-0 2016 Bidirectional Synaptic Structural Plasticity after Chronic Cocaine Administration Occurs through Rap1 Small GTPase Signaling. Cocaine 59-66 RAP1A, member of RAS oncogene family Homo sapiens 97-101