negative regulation of protein modification process
down regulation of protein modification
exact
down-regulation of protein modification
exact
downregulation of protein modification
exact
inhibition of protein modification
narrow
Any process that stops, prevents, or reduces the frequency, rate or extent of the covalent alteration of one or more amino acid residues within a protein.
GO:0031399
regulation of protein modification process
is_a
GO:0051248
negative regulation of protein metabolic process
is_a
GO:0036211
protein modification process
negatively_regulates