A compound attribute that is the ratio of amount of C-type lectin domain family 1 member B (human) in blood to amount of platelet glycoprotein Ib alpha chain (human) in blood. The trait is Ontology of Biological Attributes identifier OBA_2054864 (CLEC1B/GP1BA protein level ratio in blood). Also known as: the ratio of amount of C-type lectin domain family 1 member B (human) in blood to amount of platelet glycoprotein Ib alpha chain (human) in blood.