A compound attribute that is the ratio of amount of inositol monophosphatase 1 (human) in blood to amount of tyrosine-protein phosphatase non-receptor type 1 (human) in blood. The trait is IMPA1/PTPN1 protein level ratio in blood (OBA_2054368). Also known as: the ratio of amount of inositol monophosphatase 1 (human) in blood to amount of tyrosine-protein phosphatase non-receptor type 1 (human) in blood.