A compound attribute that is the ratio of amount of mitochondrial fission 1 protein (human) in blood to amount of perilipin-3 (human) in blood. The trait is FIS1/PLIN3 protein level ratio in blood (OBA_2055407). Also known as: the ratio of amount of mitochondrial fission 1 protein (human) in blood to amount of perilipin-3 (human) in blood.