Ontology of Biological Attributes entry OBA_2053315 (S100A11/S100A12 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of protein S100-A11 (human) in blood to amount of protein S100-A12 (human) in blood. Also known as: the ratio of amount of protein S100-A11 (human) in blood to amount of protein S100-A12 (human) in blood.