OBA_2053999 (PEAR1/SNAP23 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of platelet endothelial aggregation receptor 1 (human) in blood to amount of synaptosomal-associated protein 23 (human) in blood. Also known as: the ratio of amount of platelet endothelial aggregation receptor 1 (human) in blood to amount of synaptosomal-associated protein 23 (human) in blood.