Ontology of Biological Attributes identifier OBA_2055393 (FHIT/GLOD4 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of bis(5'-adenosyl)-triphosphatase (human) in blood to amount of glyoxalase domain-containing protein 4 (human) in blood. Also known as: the ratio of amount of bis(5'-adenosyl)-triphosphatase (human) in blood to amount of glyoxalase domain-containing protein 4 (human) in blood.