The directed change of free calcium ion concentration in the postsynaptic cytosol via the reversible binding of calcium ions to calcium-binding proteins in the cytosol thereby modulating the spatial and temporal dynamics of changes in postsynaptic cytosolic calcium concentrations.
Synonyms:
exact_synonym:
calcium ion binding involved in regulation of postsynaptic cytosolic calcium levels; postsynaptic calcium ion buffering
related_synonym:
regulation of postsynaptic cytosolic calcium ion concentration by calcium ion buffering