A compound attribute that is the ratio of amount of mitochondrial fission 1 protein (human) in blood to amount of megakaryocyte and platelet inhibitory receptor G6b (human) in blood. The trait is FIS1/MPIG6B protein level ratio in blood (OBA_2055404). Also known as: the ratio of amount of mitochondrial fission 1 protein (human) in blood to amount of megakaryocyte and platelet inhibitory receptor G6b (human) in blood.