Reference: Sadowski I, et al. (1991) GAL4 is phosphorylated as a consequence of transcriptional activation. Proc Natl Acad Sci U S A 88(23):10510-4

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Abstract


GAL4 protein isolated from yeast in which it is active is phosphorylated predominantly on two different serine residues. One of these was identified as Ser-837; substitution of this residue for alanine has no detectable effect on transcriptional activation by GAL4. Phosphorylation at Ser-837 requires that both the DNA binding and transcriptional activation functions be intact. We propose that some phosphorylations of GAL4, including that at Ser-837, occur concomitantly with activation of transcription.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Sadowski I, Niedbala D, Wood K, Ptashne M
Additional Lit For
GAL4