A compound attribute that is the ratio of amount of beta-galactosidase (human) in blood to amount of inositol monophosphatase 1 (human) in blood. The trait is GLB1/IMPA1 protein level ratio in blood (OBA_2053707, an Ontology of Biological Attributes term). Also known as: the ratio of amount of beta-galactosidase (human) in blood to amount of inositol monophosphatase 1 (human) in blood.