A compound attribute that is the ratio of amount of tyrosine-protein kinase Lyn (human) in blood to amount of NAD-dependent protein deacetylase sirtuin-2 (human) in blood. The trait is LYN/SIRT2 protein level ratio in blood (OBA_2053880). Also known as: the ratio of amount of tyrosine-protein kinase Lyn (human) in blood to amount of NAD-dependent protein deacetylase sirtuin-2 (human) in blood.