OBA_2043673 (level of beta-galactoside alpha-2,6-sialyltransferase 1 in blood serum) is the amount of a beta-galactoside alpha-2,6-sialyltransferase 1 when measured in blood serum. Also known as: blood serum beta-galactoside alpha-2,6-sialyltransferase 1 amount.