Predicted to enable UDP-galactose:beta-N-acetylglucosamine beta-1,3-galactosyltransferase activity. Acts upstream of or within response to bacterium. Predicted to be located in Golgi apparatus and membrane. Predicted to be integral component of membrane. Predicted to be active in Golgi membrane. Is expressed in several structures, including alimentary system; brain; genitourinary system; immune system; and visual system. Orthologous to human B3GALT5 (beta-1,3-galactosyltransferase 5). [provided by Alliance of Genome Resources, Apr 2022]