5.1.3.23	Amino sugar and nucleotide sugar metabolism	-	00520	-	
5.1.3.23	Metabolic pathways	-	01100	-	
5.1.3.23	O-Antigen nucleotide sugar biosynthesis	-	00541	-	
5.1.3.23	UDP-2,3-diacetamido-2,3-dideoxy-alpha-D-mannuronate biosynthesis	-	-	PWY-7090