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CHEK2
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<p>CHEK2 (Checkpoint kinase 2) is a <a href="/facts/Tumor_suppressor_gene/Awte4S51">tumor suppressor gene</a> that encodes the <a href="/facts/Protein/Jxmagu3E">protein</a> CHK2, a <a href="/facts/Serine%2fthreonine-specific_protein_kinase/QKSTb82e">serine-threonine kinase</a>. CHK2 is involved in <a href="/facts/DNA_repair/hsURuYYq">DNA repair</a>, cell cycle arrest or <a href="/facts/Apoptosis/8dVzSm4y">apoptosis</a> in response to DNA damage. Mutations to the CHEK2 gene have been linked to a wide range of <a href="/facts/Cancer/PVW6n1D0">cancers</a>. </p>