A compound attribute that is the ratio of amount of tumor necrosis factor receptor superfamily member 5 (human) in blood to amount of glyoxalase domain-containing protein 4 (human) in blood. The trait is Ontology of Biological Attributes term OBA_2054203 (CD40/GLOD4 protein level ratio in blood). Also known as: the ratio of amount of tumor necrosis factor receptor superfamily member 5 (human) in blood to amount of glyoxalase domain-containing protein 4 (human) in blood.