The Drosophila engrailed protein is phosphorylated by a serine-specific protein kinase.

@article{Gay1988TheDE,
  title={The Drosophila engrailed protein is phosphorylated by a serine-specific protein kinase.},
  author={Nicholas J Gay and Stephen J. Poole and Thomas B Kornberg},
  journal={Nucleic acids research},
  year={1988},
  volume={16 14A},
  pages={6637-47}
}
The engrailed gene is required during embryogenesis of Drosophila melanogaster for normal segmental development and for differentiation of posterior compartments. The protein encoded by the engrailed gene contains a homeodomain, has sequence specific DNA binding activity, and has been proposed as a transcriptional regulator. We show here that the engrailed protein, isolated from both cultured cells and embryos, has been modified by a serine-specific protein kinase. This is the first report that… CONTINUE READING

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