Main Reaction: Fructose-6-phosphate + Glutamine >> Glucosamine-6-phosphate

Reference: PubMed ID: 8798515
Authors: Buse MG, Robinson KA, Marshall BA, Mueckler M
Title: Differential effects of GLUT1 or GLUT4 overexpression on hexosamine biosynthesis by muscles of transgenic mice.
Published: 1996 Sep 20

Fructose-6-phosphate + Glutamine --> Glucosamine-6-phosphate