negative regulation of postsynaptic density assembly
Any process that decreases the rate, frequency, or extent of postsynaptic density assembly.
GO:0099151
regulation of postsynaptic density assembly
is_a
GO:1902116
negative regulation of organelle assembly
is_a
GO:1905875
negative regulation of postsynaptic density organization
is_a
GO:0097107
postsynaptic density assembly
negatively_regulates