4.1.3.3	Amino sugar and nucleotide sugar metabolism	-	00520	
4.1.3.3	Metabolic pathways	-	01100	
4.1.3.3	metabolism of amino sugars and derivatives	metabolism of amino sugars and derivatives	-	
4.1.3.3	N-acetylneuraminate and N-acetylmannosamine degradation I	-	-	
4.1.3.3	N-acetylneuraminate and N-acetylmannosamine degradation II	-	-