A compound attribute that is the ratio of amount of disabled homolog 2 (human) in blood to amount of tyrosine-protein kinase Lyn (human) in blood. The trait is Ontology of Biological Attributes entry OBA_2055042 (DAB2/LYN protein level ratio in blood). Also known as: the ratio of amount of disabled homolog 2 (human) in blood to amount of tyrosine-protein kinase Lyn (human) in blood.