PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26522948-3 2015 Subsequent elaboration with a variety of N-terminal amide capping groups produced agonists as potent as human C3a itself in stimulating Ca(2+) release from human macrophages. Amides 52-57 complement C3 Homo sapiens 110-113