OBA_2053773 (FXN/METAP1D protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of frataxin, mitochondrial (human) in blood to amount of methionine aminopeptidase 1D, mitochondrial (human) in blood. Also known as: the ratio of amount of frataxin, mitochondrial (human) in blood to amount of methionine aminopeptidase 1D, mitochondrial (human) in blood.