title: Tryptophan residue at the heparin binding site in antithrombin III.
mesh_terms: D000990:Antithrombin III; D001665:Binding Sites; D002942:Circular Dichroism; D006493:Heparin; D006801:Humans; D011485:Protein Binding; D011487:Protein Conformation; D013056:Spectrophotometry, Ultraviolet; D014364:Tryptophan
chemical_list: D014364:Tryptophan; D000990:Antithrombin III; D006493:Heparin