4GQ1:
reference: Structural evolution of the membrane-coating module of the nuclear pore complex., Liu X, Mitchell JM, Wozniak RW, Blobel G, Fan J, Proc Natl Acad Sci U S A. 2012 Oct 9;109(41):16498-503. doi:, 10.1073/pnas.1214557109. Epub 2012 Sep 26. PMID: 23019579

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