T antigens Sialyl-2,6 T antigens GalNAc alpha-2,6-sialyltransferase II can add a sialic acid to the T antigen at the alpha 6 position Authored: Jassal, B, 2010-10-15 Edited: Jassal, B, 2010-10-15 Pubmed10742600 Reactome Database ID Release 43981814 Reactome, http://www.reactome.org ReactomeREACT_115996 Reviewed: Ferrer, A, 2011-11-04 The huma gene ST6GALNAC2 encodes GalNAc alpha-2,6-sialyltransferase II which mediates the transfer of a sialic acid onto the T antigen (Samyn-Petit et al, 2000).