Ontology of Biological Attributes identifier OBA_2041600 (level of protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha in blood serum) is the amount of a protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha when measured in blood serum. Also known as: blood serum protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha amount.