A compound attribute that is the ratio of amount of KIF-binding protein (human) in blood to amount of tyrosine-protein kinase Lyn (human) in blood. The trait is KIFBP/LYN protein level ratio in blood (OBA_2055500). Also known as: the ratio of amount of KIF-binding protein (human) in blood to amount of tyrosine-protein kinase Lyn (human) in blood.