Movie S2.

Portal vein localization of ST6Gal1. Confocal microscopy (30×) of hepatic sections from untreated wild-type mice stained with anti-ST6Gal1 (red) and SNA (green), focused on the tissue near a portal vein to illustrate the canonical punctate and Golgi-localized ST6Gal1 signal by 3D reconstruction of z-axis stacks.