PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 35244129-1 2022 Naturally occurring bis(cyclotryptamine) alkaloids feature vicinal all-carbon quaternary stereocenters with an elongated labile C-3a-C-3a" Sigma bond with impressive biological activities. bis(cyclotryptamine) alkaloids 20-50 complement C3 Homo sapiens 128-132 35244129-1 2022 Naturally occurring bis(cyclotryptamine) alkaloids feature vicinal all-carbon quaternary stereocenters with an elongated labile C-3a-C-3a" Sigma bond with impressive biological activities. bis(cyclotryptamine) alkaloids 20-50 complement C3 Homo sapiens 133-137