PRTFDC1/TARBP2 protein level ratio in blood (OBA_2053467) can be described as follows. A compound attribute that is the ratio of amount of phosphoribosyltransferase domain-containing protein 1 (human) in blood to amount of RISC-loading complex subunit TARBP2 (human) in blood. Also known as: the ratio of amount of phosphoribosyltransferase domain-containing protein 1 (human) in blood to amount of RISC-loading complex subunit TARBP2 (human) in blood.