Amino acids phosphorylation

jonas

wrote...

13 years ago

Which of the following amino acids could be a target for phosphorylation, and why?

The options are:

Phe, Tyr, Ala, Asp, Ser, Cys, Thr.

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bio_man

wrote...

Educator

13 years ago

Hey Jonas, Welcome.

If I recall correctly, protein kinases are enzyme (kinase enzymes) that modifies other proteins by chemically adding phosphate groups to them (phosphorylation).

The chemical activity of a kinase involves removing a phosphate group from ATP (becoming ADP) and covalently attaching it to one of three amino acids (Tyr, Ser, and Thr) that have a free hydroxyl group.

Bio_man

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