IRAK4/NT5C3A protein level ratio in blood (OBA_2055528, an Ontology of Biological Attributes id) can be described as follows. A compound attribute that is the ratio of amount of interleukin-1 receptor-associated kinase 4 (human) in blood to amount of cytosolic 5'-nucleotidase 3A (human) in blood. Also known as: the ratio of amount of interleukin-1 receptor-associated kinase 4 (human) in blood to amount of cytosolic 5'-nucleotidase 3A (human) in blood.