CD200R1/CLEC4G protein level ratio in blood (OBA_2055286) can be described as follows. A compound attribute that is the ratio of amount of cell surface glycoprotein CD200 receptor 1 (human) in blood to amount of C-type lectin domain family 4 member G (human) in blood. Also known as: the ratio of amount of cell surface glycoprotein CD200 receptor 1 (human) in blood to amount of C-type lectin domain family 4 member G (human) in blood.