2.4.1.180	lipopolysaccharide N-acetylmannosaminouronosyltransferase	enterobacterial common antigen biosynthesis	
2.4.1.325	TDP-N-acetylfucosamine:lipid II N-acetylfucosaminyltransferase	enterobacterial common antigen biosynthesis	
2.7.8.33	UDP-N-acetylglucosamine-undecaprenyl-phosphate N-acetylglucosaminephosphotransferase	enterobacterial common antigen biosynthesis