Table 2.

Mean ± standard error values for fibril size, morphometry, and geometry baseline or altered Type III domain mechanical and chemical properties. Statistics are from 500 simulations (for row 3, 5, 6, 7) and 1000 simulations (for row 1, 2, 4).

Fibril Type III Domains	FN molecules	Relaxed length (μm)	Stretched length (μm)	Extensibility	L r/T ratio
Baseline	416 ± 3.8	1.39 ± 0.0070	4.53 ± 0.035	3.23 ± 0.01	30.5 ± 0.090
Scrambled	418 ± 3.7	1.39 ± 0.0067	4.57 ± 0.035	3.24 ± 0.01	30.6 ± 0.089
Constant $k_i^0={\kappa }_{min}$	403 ± 6.0	1.37 ± 0.011	4.48 ± 0.054	3.23 ± 0.02	30.8 ± 0.13
Constant $k_i^0={\kappa }_{mean}$	402 ± 4.0	1.36 ± 0.0072	4.41 ± 0.035	3.20 ± 0.01	30.6 ± 0.10
Constant $k_i^0={\kappa }_{max}$	401 ± 5.4	1.36 ± 0.0095	4.41 ± 0.048	3.21 ± 0.02	30.5 ± 0.12
Reduced ε t = 7.5 Å	424 ± 5.2	1.44 ± 0.010	4.83 ± 0.051	3.31 ± 0.02	31.3 ± 0.13
Increased ε t = 30 Å	411 ± 5.2	1.34 ± 0.0092	4.31 ± 0.046	3.19 ± 0.02	29.6 ± 0.13