5.3.1.27	D-arabino-hex-3-ulose 6-phosphate	-	
5.3.1.27	additional information	bifunctional 3-hexulose-6-phosphate synthase/6-phospho-3-hexuloisomerase is essential for the biosynthesis of ribulose 5-phosphate. The ribulose monophosphate pathway substitutes for the classical pentose phosphate pathway in Thermococcus kodakarensis