PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8376590-7 1993 The antithrombin III binding activity of endothelial cells decreased after preincubation with 1 mM homocysteine, cysteine, or 2-mercaptoethanol; no reduction in binding activity was observed after preincubation with the same concentration of methionine, alanine, or valine. Alanine 254-261 serpin family C member 1 Homo sapiens 4-20