A compound attribute that is the ratio of amount of 5-hydroxymethyl-dUMP N-hydrolase (human) in blood to amount of glyoxalase domain-containing protein 4 (human) in blood. The trait is DNPH1/GLOD4 protein level ratio in blood (OBA_2053608). Also known as: the ratio of amount of 5-hydroxymethyl-dUMP N-hydrolase (human) in blood to amount of glyoxalase domain-containing protein 4 (human) in blood.