title: Active-site topography of human coagulant (alpha) and noncoagulant (beta) thrombins.
mesh_terms: D001665:Binding Sites; D003402:Creatine Kinase; D004578:Electron Spin Resonance Spectroscopy; D006801:Humans; D007211:Indoles; D008958:Models, Molecular; D011485:Protein Binding; D011487:Protein Conformation; D012694:Serine / Q000032:analysis; D013113:Spin Labels; D013917:Thrombin / Q000378:metabolism
chemical_list: D007211:Indoles; D013113:Spin Labels; D012694:Serine; D003402:Creatine Kinase; D013917:Thrombin