1QMA:
reference: Interaction between NTF2 and xFxFG-containing nucleoporins is required to mediate nuclear import of RanGDP., Bayliss R, Ribbeck K, Akin D, Kent HM, Feldherr CM, Gorlich D, Stewart M, J Mol Biol 1999 Oct 29;293(3):579-93. PMID: 10543952

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