Hydrophilic linkers and polar contacts affect aggregation of FG repeat peptides.

Abstract excerpt

Transport of large proteins into the nucleus involves two events, binding of the cargo protein to a transport receptor in the cytoplasm and passage of the cargo-transporter complex through the selective permeability barrier of the nuclear pore complex. The permeability barrier is formed by largely disordered polypeptides, each containing a number of conserved hydrophobic phenylalanine-glycine (FG) sequence...

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