Continuous semiflexible-polymer model with persistence length ℓ_p; force-extension F = (k_BT/ℓ_p)[¼(1−x/L)⁻² − ¼ + x/L]. Quantitatively fits DNA stretching (ℓ_p ≈ 50 nm) and protein-unfolding traces.
Continuous semiflexible-polymer model with persistence length ℓ_p; force-extension F = (k_BT/ℓ_p)[¼(1−x/L)⁻² − ¼ + x/L]. Quantitatively fits DNA stretching (ℓ_p ≈ 50 nm) and protein-unfolding traces.