261433 Alpha_kinaseThalassiosira pseudonana
GO:0004674 GO:0005524 GO:0006468 -
protein serine/threonine kinase activity
Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate.
Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
The process of introducing a phosphate group on to a protein.