A compound attribute that is the ratio of amount of CMRF35-like molecule 6 (human) in blood to amount of hepatitis A virus cellular receptor 2 (human) in blood. The trait is CD300C/HAVCR2 protein level ratio in blood (OBA_2054153). Also known as: the ratio of amount of CMRF35-like molecule 6 (human) in blood to amount of hepatitis A virus cellular receptor 2 (human) in blood.