Status	Description	Organism	Genes	References
	N-acetylglucosamine transport	Bacillus subtilis	nagP
		Caulobacter crescentus	nagE
	predicted PTS transporter of N-acetyl-D-glucosamine	Caulobacter crescentus	nagE
	N-acetylglucosamine-specific PTS enzyme II	Escherichia coli	nagE
	mannose-specific PTS enzyme II	Escherichia coli	manZ manX manY	[220]