A compound attribute that is the ratio of amount of mitochondrial fission 1 protein (human) in blood to amount of heat shock 70 kDa protein 1A (human) in blood. The trait is OBA_2055401 (FIS1/HSPA1A protein level ratio in blood). Also known as: the ratio of amount of mitochondrial fission 1 protein (human) in blood to amount of heat shock 70 kDa protein 1A (human) in blood.