A compound attribute that is the ratio of amount of C-type lectin domain family 4 member G (human) in blood to amount of kell blood group glycoprotein (human) in blood. The trait is CLEC4G/KEL protein level ratio in blood (Ontology of Biological Attributes id OBA_2054995). Also known as: the ratio of amount of C-type lectin domain family 4 member G (human) in blood to amount of kell blood group glycoprotein (human) in blood.