Antithrombin Glasgow II: alanine to threonine mutation in the serpin P12 position, resulting in a substrate reaction with thrombin - Ireland, H; Lane, D A; Thompson, E; Walker, I D; Blench, I; Morris, H R; Freyssinet, J M; Grunebaun, L; Olds, R; Thein, S L (Brit J Haematol, 1991)