Ontology of Biological Attributes term OBA_2053138 (RGMB/THY1 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of repulsive guidance molecule B (human) in blood to amount of Thy-1 membrane glycoprotein (human) in blood. Also known as: the ratio of amount of repulsive guidance molecule B (human) in blood to amount of Thy-1 membrane glycoprotein (human) in blood.