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Coiled-Coils in Phage Display Screening: Insight into Exceptional Selectivity Provided by Molecular Dynamics

Involved in numerous key biological functions, protein helix-helix interactions follow a well-defined intermolecular recognition pattern. The characteristic structure of the α-helical coiled-coil allows for the specific randomization of clearly defined interaction partners within heteromeric systems. In this work, a rationally designed heterodimeric coiled-coil was used to investigate potential factors influencing the sequence selectivity in interhelical interactions.