Proteomics

Disorderly protein brings order to cell division

Published in Proteomics Weekly, February 19th, 2007

The secret to the ability of a molecule critical for cell division to throw off the protein yoke that restrains its activity is the yoke itself - a disorderly molecule that seems to have a mind of its own, say investigators at St. Jude Children's Research Hospital, Innsbruck Medical University (Austria) and Max Planck Institute (Martinsried, Germany).

The researchers showed that the disorderly protein yoke, called p27, participates in its own destruction by swinging the end of its long arm up into a key side pocket of the cell division molecule called CDK2. After the end of p27 slips into the pocket, CDK2 marks p27 for destruction by tagging it with a molecule called...

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Source: Proteomics Weekly (2007-02-19)

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