Ontology of Biological Attributes entry OBA_2044732 (level of leucine-rich repeat and fibronectin type-III domain-containing protein 5 in blood serum) is the amount of a leucine-rich repeat and fibronectin type-III domain-containing protein 5 when measured in blood serum. Also known as: blood serum leucine-rich repeat and fibronectin type-III domain-containing protein 5 amount.