Glutamine--fructose-6-phosphate aminotransferase [isomerizing] 1 (GFPT1)

Controls the level of glucose into the hexosamine pathway. Most probably involved in regulating the availability of precursors for N- and O-linked glycosylation of proteins.

Regulates the circadian expression of clock genes ARNTL/BMAL1 and CRY1. .