DARS1/TBCB protein level ratio in blood (OBA_2055083) can be described as follows. A compound attribute that is the ratio of amount of aspartate--tRNA ligase, cytoplasmic (human) in blood to amount of tubulin-folding cofactor B (human) in blood. Also known as: the ratio of amount of aspartate--tRNA ligase, cytoplasmic (human) in blood to amount of tubulin-folding cofactor B (human) in blood.