Definition

A protein that is found inside the nucleus of a cell and plays a key role in controlling how cells grow and divide. The WEE1 protein may be found in higher-than-normal amounts in some types of cancer cells. This may cause cancer cells to grow and spread. Drugs that block the WEE1 protein are being studied in the treatment of some types of cancer. The WEE1 protein is a type of tyrosine kinase.