Citrobacter freundii	enzyme CfrAI	134250, 134251	
Enterococcus faecium	-	749678	
Escherichia coli	-	134245, 134251, 134252, 134254, 666045, 666057, 666428, 666485, 692848, 696985, 700022, 700502, 710046, 730230, 730505, 730693	
Escherichia coli	clinical isolate contains four type I restriction enzymes: Eco394I, Eco826I, Eco851I, Eco912I	666504	
Escherichia coli	EcoR124I	134248	
Escherichia coli	enzyme EcoDXXI	134247	
Escherichia coli	enzyme EcoK	134249	
Escherichia coli	enzyme EcoKI	651715	
Escherichia coli	enzyme EcoR	134249	
Escherichia coli	enzyme EcoR124 and EcoDXXI	134242