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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6302222PMC
http://dx.doi.org/10.1016/j.bpj.2018.11.3125DOI Listing

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Intrinsically disordered Phe-Gly nucleoporins (FG Nups) within nuclear pore complexes exert multivalent interactions with transport receptors (Karyopherins (Kaps)) that orchestrate nucleocytoplasmic transport. Current FG-centric views reason that selective Kap translocation is promoted by alterations in the barrier-like FG Nup conformations. However, the strong binding of Kaps with the FG Nups due to avidity contradicts rapid Kap translocation in vivo.

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