Nuclear PTK6 (BRK) phosphorylates the RNA binding protein KHDRSB2 (SLM1) on an unknown tyrosine residue, thus inhibiting its interaction with RNA. KDRSB2 is a SAM68 (KHDRSB1) family member whose function has been poorly studied (Haegebarth et al. 2004).
Richard, S, Bie, W, Derry, JJ, Haegebarth, A, Heap, D, Tyner, AL
protein tyrosine kinase activity of p-Y342-PTK6 [nucleoplasm]
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