Definition of "phosphokinase" []

• Kinase (noun)

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• "There are two more groups of oncogene products with phosphokinase activity; firstly tyrosine/phosphokinase which lack receptor function and is located at the inside of the cytoplasmic membrane, and secondly serine/threonine phosphokinase which is found in the cytoplasm."
• "When I got the results of his lab work, I was surprised to see an elevated muscle enzyme level (creatine phosphokinase or CPK)."
• "Other biochemical markers for oxidative damage and inflammation, such as DNA, creatine kinase also known as creatine phosphokinase, and myeloperoxidase activity, were also significantly reduced in the astaxanthin-treated exercise group."