In biochemistry, a dual-specificity kinase (EC 2.7.12.1) is a kinase that can act as both tyrosine kinase and serine/threonine kinase.
MEKs, involved in MAP pathways, are principal examples of dual-specificity kinases.
Other common examples include: The systematic name of this enzyme class is ATP:protein phosphotransferase (Ser/Thr- and Tyr-phosphorylating).
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