postsynaptic density membrane obsolete intrinsic component of postsynaptic density membrane true OBSOLETE. The component of the postsynaptic density membrane consisting of the gene products and protein complexes having either part of their peptide sequence embedded in the hydrophobic region of the membrane or some other covalently attached group such as a GPI anchor that is similarly embedded in the membrane. GO:0099146 cellular_component intrinsic to postsynaptic specialization membrane dos This term was obsoleted because it represents protein topology, not a cellular component. 2017-07-05T10:43:24Z