Status	Description	Organism	Genes	References
	undecaprenyl-pyrophosphate pyrophosphatase	Escherichia coli	G7146
	protein with low undecaprenyl pyrophosphate phosphatase activity	Shigella flexneri	G1253-3899
	protein with low undecaprenyl pyrophosphate phosphatase activity	Shigella flexneri	G120U-3458