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Differential phosphorylation of microtubule proteins by ATP and GTP

✍ Scribed by Javier Diaz-Nido; Luis Serrano; Jesus Avila

Book ID: 104673524
Publisher: Springer
Year: 1988
Tongue: English
Weight: 507 KB
Volume: 79
Category: Article
ISSN: 0300-8177
DOI: 10.1007/bf00229400

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✦ Synopsis

Purified brain microtubule protein is phosphorylated by endogenous protein kinase activities in the presence of [gamma-32P] ATP or [gamma-32P] GTP. Here we show that certain microtubule-associated proteins are phosphorylated differently by GTP or ATP as direct phosphoryl donors, suggesting the presence of distinct kinase activities, with different specificities, associated with microtubule protein.

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