A compound attribute that is the ratio of amount of FAS-associated death domain protein (human) in blood to amount of nuclear factor of activated T-cells, cytoplasmic 1 (human) in blood. The trait is FADD/NFATC1 protein level ratio in blood (OBA_2055343). Also known as: the ratio of amount of FAS-associated death domain protein (human) in blood to amount of nuclear factor of activated T-cells, cytoplasmic 1 (human) in blood.