A compound attribute that is the ratio of amount of collectin-12 (human) in blood to amount of TGF-beta receptor type-2 (human) in blood. The trait is OBA_2053838 (COLEC12/TGFBR2 protein level ratio in blood). Also known as: the ratio of amount of collectin-12 (human) in blood to amount of TGF-beta receptor type-2 (human) in blood.