Involvement of residues 296-299 in the enzymatic activity of tissue-type plasminogen activator - Paoni, N F; Refino, C J; Brady, K; Pena, L C; Nguyen, H V; Kerr, E M; Johnson, A C; Wurm, F M; van Reis, R; Botstein, D; Bennett, W F (Protein Engineering, 1992)