A compound attribute that is the ratio of amount of angiopoietin-1 (human) in blood to amount of tyrosine-protein phosphatase non-receptor type 6 (human) in blood. The trait is OBA_2054275 (ANGPT1/PTPN6 protein level ratio in blood). Also known as: the ratio of amount of angiopoietin-1 (human) in blood to amount of tyrosine-protein phosphatase non-receptor type 6 (human) in blood.