BCR/GOPC protein level ratio in blood (OBA_2053240, an Ontology of Biological Attributes id) can be described as follows. A compound attribute that is the ratio of amount of breakpoint cluster region protein (human) in blood to amount of Golgi-associated PDZ and coiled-coil motif-containing protein (human) in blood. Also known as: the ratio of amount of breakpoint cluster region protein (human) in blood to amount of Golgi-associated PDZ and coiled-coil motif-containing protein (human) in blood.