HuR phosphorylated on ser221 and ser318 binds AU-rich regions of mRNAs. Phosphorylation on ser318 appears to affect RNA binding and phosphorylation of ser221 affects nucleocytoplasmic shuttling.
Pfeilschifter, J, Doller, A, Schwalbe, H, Schlepckow, K, Eberhardt, W
Pfeilschifter, J, Müller, R, Doller, A, Huwiler, A, Akool, el-S, Eberhardt, W, Radeke, HH
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