A compound attribute that is the ratio of amount of lymphocyte function-associated antigen 3 (human) in blood to amount of receptor tyrosine-protein kinase erbB-3 (human) in blood. The trait is Ontology of Biological Attributes identifier OBA_2054162 (CD58/ERBB3 protein level ratio in blood). Also known as: the ratio of amount of lymphocyte function-associated antigen 3 (human) in blood to amount of receptor tyrosine-protein kinase erbB-3 (human) in blood.