Fructokinase
Fructokinase
Fructokinase (/frʌktoʊkaɪneɪz/), also known as ketohexokinase (KHK), is an enzyme that facilitates the phosphorylation of fructose to produce fructose-1-phosphate. This process is an essential step in the metabolism of fructose.
Etymology
The term "Fructokinase" is derived from the Latin word "fructus" meaning fruit, and the Greek word "kinase" meaning to move. This reflects the enzyme's role in the metabolic movement of fructose.
Function
Fructokinase is a key enzyme in the metabolism of fructose. It catalyzes the transfer of a phosphate group from ATP to fructose, producing fructose-1-phosphate. This reaction is a critical step in the metabolism of dietary fructose in the liver.
Related Terms
- Enzyme: A protein that acts as a biological catalyst to speed up a chemical reaction.
- Fructose: A simple sugar found in many foods and one of the three most important blood sugars along with glucose and galactose.
- Phosphorylation: The addition of a phosphate group to a molecule, a key event in many cellular processes.
- Adenosine triphosphate (ATP): A complex organic chemical that provides energy to drive many processes in living cells.
See Also
External links
- Medical encyclopedia article on Fructokinase
- Wikipedia's article - Fructokinase
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