Ontology of Biological Attributes entry OBA_2053011 (HCLS1/PRDX5 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of hematopoietic lineage cell-specific protein (human) in blood to amount of peroxiredoxin-5, mitochondrial (human) in blood. Also known as: the ratio of amount of hematopoietic lineage cell-specific protein (human) in blood to amount of peroxiredoxin-5, mitochondrial (human) in blood.