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A variety of possible coiled-coil fiber assembly schemes. (A) Blunt-ended coiled-coil assembly, as demonstrated by Dong et al.84 (B) Coiled-coil assembly using a “staggered” hydrophobic core.85 (C) A five-heptad coiled-coil system with a single heptad overlap.83 (D) A palindromic charge pattern that produces sticky ends and allows fibrilization.55
