Figure 7
From: Dynamics, nanomechanics and signal transduction in reelin repeats
Unfolding of BEB3-6 modules in SMD simulations. Evolution of the force and the unfolding length for: (a) BEB3, (b) BEB4, (c) BEB5 and (d) BEB6. The accompanying ribbon diagrams show the snapshots from the simulations and characteristic events such as the unfolding blocked by the yellow loop protected by the SS3 bond (panel a-c, lower ribbon diagram). In panels a-c, BNR domains are colored in green and EGF domain in magenta while in panel d, colors denote the sequence of the unfolding events. Red sticks represent disulfide bonds, red spheres Zn2+ and orange sphere Ca2+ ions. A full elongation is reached at the ΔLmax value (a maximal N-C distance minus the initial N-C distance), which is ~90–98 nm for BEB3, ~97–107 nm for BEB4, 90–104 nm for BEB5, and 43 nm for BEB6 (grey box). In all upper ribbon diagrams N and C termini and the direction of pulling are shown. The divergence of forces and lengths are indicated.
