pyruvate kinase

pyruvate kinase

[pī′rəvāt]

an enzyme essential for anaerobic glycolysis in red blood cells. It catalyzes the transfer of a phosphate group from adenosine triphosphate to produce adenosine diphosphate.

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pyruvate kinase (pīroo´vāt kī´nās´),

n an enzyme essential for anaerobic glycolysis in red blood cells.

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pyruvate

a salt, ester or anion of pyruvic acid. The term is used interchangeably with pyruvic acid. Pyruvate is the end product of glycolysis and may be metabolized in the body to lactate or to acetyl CoA. In yeast it is metabolized to ethanol.

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pyruvate carboxylase

an enzyme concerned in the conversion of pyruvate to oxaloacetic acid.

pyruvate dehydrogenase

actively concerned in the decarboxylation of pyruvate to acetyl CoA and CO₂.

pyruvate kinase

a glycolytic pathway enzyme (called also PK) which catalyzes the formation of pyruvate from phosphoenolpyruvate (PEP). A deficiency of the enzyme is a hereditary defect in humans and occurs also in Beagle and Basenji dogs, causing a familial nonspherocytic anemia.

pyruvate transaminase

see alanine aminotransferase.