Predicted to enable N-acetylglucosaminyldiphosphodolichol N-acetylglucosaminyltransferase activity. Human ortholog(s) of this gene implicated in developmental and epileptic encephalopathy 36. Orthologous to human ALG13 (ALG13 UDP-N-acetylglucosaminyltransferase subunit). [provided by Alliance of Genome Resources, Apr 2022]