Ubiquitous. Expressed at high levels in the lung, brain, spleen, testis, placenta. ovary, pancreas, spleen and peripheral blood leukocytes. Expressed at low level in the colon, small intestine, kidney, skeletal muscle and thymus. Expressed at high level in colon adenocarcinoma. Belongs to the glycosyltransferase group 1 family. Glycosyltransferase 4 subfamily. Truncated N-terminus. Truncated N-terminus.