Table 1.

First-Order Rate Constants for Fibrinopeptide Release

Plasma FibrinogenRecombinant Fibrinogen
Experiment 1 
FpA 0.059 ± 0.007 0.055 ± 0.004 
FpB 0.042 ± 0.001 0.040 ± 0.003 
Experiment 2 
FpA 0.065 ± 0.010 0.065 ± 0.003 
FpB 0.037 ± 0.003 0.031 ± 0.002 
Experiment 3 
FpA 0.063 ± 0.007 0.072 ± 0.004 
FpB 0.029 ± 0.003 0.029 ± 0.001 
Average 
FpA 0.062 ± 0.008 0.064 ± 0.004 
FpB 0.036 ± 0.002 0.033 ± 0.002 
Plasma FibrinogenRecombinant Fibrinogen
Experiment 1 
FpA 0.059 ± 0.007 0.055 ± 0.004 
FpB 0.042 ± 0.001 0.040 ± 0.003 
Experiment 2 
FpA 0.065 ± 0.010 0.065 ± 0.003 
FpB 0.037 ± 0.003 0.031 ± 0.002 
Experiment 3 
FpA 0.063 ± 0.007 0.072 ± 0.004 
FpB 0.029 ± 0.003 0.029 ± 0.001 
Average 
FpA 0.062 ± 0.008 0.064 ± 0.004 
FpB 0.036 ± 0.002 0.033 ± 0.002 

Values of k1 for FpA and k2 for FpB were calculated as previously described9 24 and are in min−1.

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