A compound attribute that is the ratio of amount of flavin reductase (NADPH) (human) in blood to amount of pyruvate kinase PKLR (human) in blood. The trait is Ontology of Biological Attributes id OBA_2053301 (BLVRB/PKLR protein level ratio in blood). Also known as: the ratio of amount of flavin reductase (NADPH) (human) in blood to amount of pyruvate kinase PKLR (human) in blood.