NUB1/SRPK2 protein level ratio in blood (OBA_2055211) can be described as follows. A compound attribute that is the ratio of amount of NEDD8 ultimate buster 1 (human) in blood to amount of SRSF protein kinase 2 (human) in blood. Also known as: the ratio of amount of NEDD8 ultimate buster 1 (human) in blood to amount of SRSF protein kinase 2 (human) in blood.