CLEC1B/TXNDC5 protein level ratio in blood (Ontology of Biological Attributes entry OBA_2055031) can be described as follows. A compound attribute that is the ratio of amount of C-type lectin domain family 1 member B (human) in blood to amount of thioredoxin domain-containing protein 5 (human) in blood. Also known as: the ratio of amount of C-type lectin domain family 1 member B (human) in blood to amount of thioredoxin domain-containing protein 5 (human) in blood.