RANBP2 (NUP358) SUMOylates HNRNPC at lysine-237 of isoform C1 (lysine-250 of the reference isoform C2) with SUMO1 (Vassileva et al. 2004). SUMOylation decreases the interaction of HNRNPC with single-stranded DNA.
Vassileva, MT, Matunis, MJ
SUMO transferase activity of Nuclear Pore Complex (NPC) [nuclear envelope]
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