PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24410114-2 2014 Transformation of one of the products to beta(2,2)-amino ester and tetrahydro-beta-carboline through nitro reduction and sequential Pictet-Spengler cyclization was exemplified. tryptoline 67-92 potassium calcium-activated channel subfamily M regulatory beta subunit 2 Homo sapiens 41-49