PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27739617-4 2016 Unlike NDIs, the activity of PDI catalysts for enolate and enamine addition is determined by the twist of their pi surface rather than their reducibility. cyclopentyl enamine 59-66 peptidyl arginine deiminase 1 Homo sapiens 29-32