apolipoprotein receptor binding apolipoprotein A-I receptor binding GO:0034191 molecular_function Binding to an apolipoprotein A-I receptor. Note that this term is to be used only to annotate gene products that bind to lipid-free APOA1. For receptors that bind lipid-associated apolipoproteins (plasma lipoprotein particles), consider annotating to 'lipoprotein receptor activity ; GO:0030228' or its child terms.