A compound attribute that is the ratio of amount of tyrosine-protein phosphatase non-receptor type 6 (human) in blood to amount of tyrosine-protein kinase Yes (human) in blood. The trait is PTPN6/YES1 protein level ratio in blood (Ontology of Biological Attributes term OBA_2053217). Also known as: the ratio of amount of tyrosine-protein phosphatase non-receptor type 6 (human) in blood to amount of tyrosine-protein kinase Yes (human) in blood.