OBA_2053261 (DNPH1/PDGFB protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of 5-hydroxymethyl-dUMP N-hydrolase (human) in blood to amount of platelet-derived growth factor subunit B (human) in blood. Also known as: the ratio of amount of 5-hydroxymethyl-dUMP N-hydrolase (human) in blood to amount of platelet-derived growth factor subunit B (human) in blood.