1 Title: Entry into the nuclear pore complex is controlled by a cytoplasmic exclusion zone 1 containing dynamic GLFG-repeat nucleoporin domains 2 Authors: Jindriska Fiserova 1 , Matthew Spink 1 , Shane A. Richards 1 , Christopher Saunter 2 , 3 and Martin W. Goldberg 1 4 1. School of Biological and Biomedical Sciences 5 Durham University 6 Science Laboratories 7 South Road 8 Durham DH1 3LE 9 UK 10 11 2. Department of Physics 12 Durham University 13 Science Laboratories 14 South Road 15 Durham DH1 3LE 16 UK 17 18 Correspondence: 19 Dr. Martin W. Goldberg 20 School of Biological and Biomedical Sciences 21 Durham University 22 Science Laboratories 23 © 2013. Published by The Company of Biologists Ltd. Journal of Cell Science Accepted manuscript JCS Advance Online Article. Posted on 21 October 2013