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1. a subclass of the transferases, comprising the enzymes that catalyze the transfer of a high-energy group from a donor (usually ATP) to an acceptor, and named, according to the acceptor, as creatine kinase, fructokinase, etc.
2. an enzyme that activates a zymogen, named, according to its source, such as enterokinase, streptokinase, etc.


A phosphotransferase or a kinase.


see kinase.
References in periodicals archive ?
Kinetic determination of creatine phosphokinase activity.
Mean [+ or -] SD and "T" Test between two Groups (experimental and control) in malondialdehyde (MDA),creatine phosphokinase (CPK) and Serum uric acid (UA) Variables Experimental group Before After MDA (mmol/L) 11.
Creatine phosphokinase and schizophrenia in Singapore.
Patients on any systemic therapy for psoriasis in the past 4 weeks, having acute or chronic liver disease, myopathies, family history of hereditary muscular disorders (assessed by history, clinical examination, raised serum alanine aminotransferase and creatinine phosphokinase twice the upper limit), having history of hypertension and pregnant and lactating females were excluded from the study.
Total protein, creatin phosphokinase, white blood cell, red blood cell, hemoglobin and globulin were analyzed by using a whole blood analyzer (VetScan, ABAXIS, CA, USA), and triglyceride and cholesterol were analyzed by using a serum analyzer (Vetabc, Scil, Viernheim, Germany) as specified by the manufacturer.
We also looked at the enzyme creatine phosphokinase," Nonneman says, "which is used to determine tissue damage after a heart attack.
One patient experienced an elevation in creatine phosphokinase, but no other adverse events related to daptomycin were observed.
c--Increased creatine phosphokinase is a marker for the diagnosis of rhabdomyolysis (Zhang, 2012).
A diagnosis of rhabdomyolysis was made based on elevated serum creatine phosphokinase levels (7810 U/l) and myoglobinuria (210 [micro]g/l).
Cardiac enzymes were examined and creatinine phosphokinase was 1945 unit/L, creatine phosphokinase MB isoenzyme was 213 unit/L and Troponin I level was 49 ng/ml.
All had peripheral eosinophilia, and most had elevated serum creatinine phosphokinase levels.

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