A compound attribute that is the ratio of amount of ATPase inhibitor, mitochondrial (human) in blood to amount of methionine aminopeptidase 1D, mitochondrial (human) in blood. The trait is Ontology of Biological Attributes term OBA_2054130 (ATP5IF1/METAP1D protein level ratio in blood). Also known as: the ratio of amount of ATPase inhibitor, mitochondrial (human) in blood to amount of methionine aminopeptidase 1D, mitochondrial (human) in blood.