Automated description from the Alliance of Genome Resources (Release 7.4.0)
Enables N-acetyllactosaminide alpha-2,3-sialyltransferase activity and beta-galactoside (CMP) alpha-2,3-sialyltransferase activity. Involved in positive regulation of blood coagulation and positive regulation of leukocyte tethering or rolling. Acts upstream of or within protein glycosylation. Predicted to be located in Golgi cisterna membrane. Is expressed in several structures, including alimentary system; genitourinary system; hemolymphoid system; integumental system; and nervous system. Orthologous to human ST3GAL4 (ST3 beta-galactoside alpha-2,3-sialyltransferase 4).
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