Polypeptide N-acetylgalactosaminyltransferase 18 retains in endoplasmic reticulum depending on its luminal regions interacting with ER resident UGGT1, PLOD3 and LPCAT1.
Jia W, Zou X, Xu Z, Bai L, Shan A, Li Y, Shi J, Yang F, Ding C, Narimatsu H, et al. Glycobiology. 2021 Sep 9; 31(8):947-958.