A compound attribute that is the ratio of amount of breakpoint cluster region protein (human) in blood to amount of tubulinyl-Tyr carboxypeptidase 1 (human) in blood. The trait is Ontology of Biological Attributes term OBA_2053248 (BCR/VASH1 protein level ratio in blood). Also known as: the ratio of amount of breakpoint cluster region protein (human) in blood to amount of tubulinyl-Tyr carboxypeptidase 1 (human) in blood.