A polyglutamine peptide has Zimm-Bragg nucleation parameter .
PHYSICS · Multi-part · Fermi University Physics · Biophysics & Medical Physics · Macromolecules, membranes and cell architecture · Macromolecules, membranes and cell architecture
Forces, Machines and Signals, Ch Cooperativity: zippers, melting and allosteric binding
Problem
A polyglutamine peptide has Zimm-Bragg nucleation parameter σ=2.5×10−5.
((a)) Find the slope of the helix fraction θ(s) at the midpoint s=1.
((b)) Find the mean cooperative length (mean helix length) at the midpoint.