. "The chemical reactions and pathways resulting in the breakdown of a low-density lipoprotein particle receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function." . . . . "low-density lipoprotein particle receptor catabolic process" . "LDL receptor breakdown" . "LDL receptor catabolic process" . "LDL receptor catabolism" . "LDL receptor degradation" . "low-density lipoprotein receptor breakdown" . "low-density lipoprotein receptor catabolic process" . "low-density lipoprotein receptor catabolism" . "low-density lipoprotein receptor degradation" . . .