Ontology of Biological Attributes identifier OBA_2055347 (FADD/PTPN6 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of FAS-associated death domain protein (human) in blood to amount of tyrosine-protein phosphatase non-receptor type 6 (human) in blood. Also known as: the ratio of amount of FAS-associated death domain protein (human) in blood to amount of tyrosine-protein phosphatase non-receptor type 6 (human) in blood.