Ontology of Biological Attributes identifier OBA_2054089 (ARHGEF12/IRAK4 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of Rho guanine nucleotide exchange factor 12 (human) in blood to amount of interleukin-1 receptor-associated kinase 4 (human) in blood. Also known as: the ratio of amount of Rho guanine nucleotide exchange factor 12 (human) in blood to amount of interleukin-1 receptor-associated kinase 4 (human) in blood.