negative regulation of protein kinase activity
down regulation of protein kinase activity
exact
down-regulation of protein kinase activity
exact
downregulation of protein kinase activity
exact
inhibition of protein kinase activity
narrow
Any process that stops, prevents, or reduces the frequency, rate or extent of protein kinase activity.
GO:0001933
negative regulation of protein phosphorylation
is_a
GO:0033673
negative regulation of kinase activity
is_a
GO:0045859
regulation of protein kinase activity
is_a