The short loop between epidermal growth factor-like domains 4 and 5 is critical for human thrombomodulin function - Clarke, J H; Light, D R; Blasko, E; Parkinson, J F; Nagashima, M; McLean, K; Vilander, L; Andrews, J H; Morser, J; Glaser, C B (J Biol Chem, 1993)