NEDD4L ubiquitinates nuclear SMAD2 and SMAD3 phosphorylated at the linker region by CDK8 or CDK9, targeting SMAD2 and SMAD3 for degradation.
Massague, J, Chen, PY, Macias, MJ, Tempst, P, Goerner, N, Gao, S, Sapkota, G, Alarcon, C, Erdjument-Bromage, H, Rahman, S
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