A compound attribute that is the ratio of amount of drebrin-like protein (human) in blood to amount of tubulin-folding cofactor B (human) in blood. The trait is DBNL/TBCB protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2053956). Also known as: the ratio of amount of drebrin-like protein (human) in blood to amount of tubulin-folding cofactor B (human) in blood.