Ontology of Biological Attributes term OBA_2052781 (amount of beta-galactoside alpha-2,6-sialyltransferase 1 (human) in blood) is the amount of a beta-galactoside alpha-2,6-sialyltransferase 1 (human) when measured in blood. Also known as: blood beta-galactoside alpha-2,6-sialyltransferase 1 (human) amount.