Figure 4.
Rate of factor XIII activation peptide cleavage by thrombin or Atroxin. Reaction was initiated by adding 0.5 U/mL thrombin (A) or 0.5 U/mL Atroxin (B) at the zero time point. Factor XIII plus fibrinogen 1 (□); factor XIII plus fibrinogen 2 (○); factor XIII alone (▴).