2.7.7.13	mannose-1-phosphate guanylyltransferase	GDP-mannose biosynthesis	-	
5.3.1.8	mannose-6-phosphate isomerase	GDP-mannose biosynthesis	-	
5.3.1.9	glucose-6-phosphate isomerase	GDP-mannose biosynthesis	-	
5.4.2.8	phosphomannomutase	GDP-mannose biosynthesis	-