PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31663854-7 2019 In mammals, VGLUT1 gained a proline-rich sequence that recruits endophilinA1 and turns the transporter into a regulator of SV organization and spontaneous release. isoleucyl-prolyl-proline 28-35 SH3 domain containing GRB2 like 2, endophilin A1 Homo sapiens 64-76