Enables low-density lipoprotein particle receptor binding activity. Involved in several processes, including cellular response to growth factor stimulus; negative regulation of signal transduction; and positive regulation of transport. Located in clathrin-coated vesicle membrane; perinuclear region of cytoplasm; and plasma membrane. Used to study myocardial infarction. Biomarker of metabolic acidosis and myocardial infarction. Orthologous to human DAB2 (DAB adaptor protein 2). [provided by Alliance of Genome Resources, Apr 2022]