Maltokinase

Maltokinase is an enzyme that catalyzes the phosphorylation of maltose. Maltokinase is part of the carbohydrate metabolism pathway and plays a crucial role in the digestion and absorption of carbohydrates in the human body.

Function

Maltokinase, also known as maltose kinase, is an enzyme that catalyzes the conversion of maltose and adenosine triphosphate (ATP) to maltose 1-phosphate and adenosine diphosphate (ADP). This reaction is part of the larger process of carbohydrate metabolism, which is essential for the body's energy production.

Structure

The structure of maltokinase is similar to other kinases, with a large active site that binds to the substrate maltose. The enzyme also has a binding site for ATP, which is used as a source of phosphate in the reaction.

Clinical significance

Deficiencies in maltokinase can lead to malabsorption syndromes, where the body is unable to properly digest and absorb carbohydrates. This can lead to a variety of symptoms, including diarrhea, abdominal pain, and weight loss.

See also

• Carbohydrate metabolism
• Enzyme
• Maltose

References

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