A compound attribute that is the ratio of amount of ATPase inhibitor, mitochondrial (human) in blood to amount of synaptosomal-associated protein 29 (human) in blood. The trait is ATP5IF1/SNAP29 protein level ratio in blood (Ontology of Biological Attributes term OBA_2054134). Also known as: the ratio of amount of ATPase inhibitor, mitochondrial (human) in blood to amount of synaptosomal-associated protein 29 (human) in blood.