CD300E/TNFRSF1B protein level ratio in blood (Ontology of Biological Attributes id OBA_2054188) can be described as follows. A compound attribute that is the ratio of amount of CMRF35-like molecule 2 (human) in blood to amount of tumor necrosis factor receptor superfamily member 1B (human) in blood. Also known as: the ratio of amount of CMRF35-like molecule 2 (human) in blood to amount of tumor necrosis factor receptor superfamily member 1B (human) in blood.