PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8176841-8 1994 The antithrombin III binding activity of endothelial cells decreased after preincubation with homocysteine, cysteine, or 2-mercaptoethanol, containing a sulfhydryl group; no reduction in binding activity was observed after preincubation with methionine, alanine. Alanine 254-261 serpin family C member 1 Homo sapiens 4-20