Ontology of Biological Attributes identifier OBA_2053852 (COX5B/GFER protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of cytochrome c oxidase subunit 5B, mitochondrial (human) in blood to amount of FAD-linked sulfhydryl oxidase ALR (human) in blood. Also known as: the ratio of amount of cytochrome c oxidase subunit 5B, mitochondrial (human) in blood to amount of FAD-linked sulfhydryl oxidase ALR (human) in blood.