199 rmpB MTQAAEADGAVKVVGDDITNNLSLVRDEVADTAAKVDPEQVAVLARQIVQPGRVFVAGAGRSGLVLRMAAMRLMHFGLTVHVAGDTTTPAISAGDLLLVASGSGTTSGVVKSAETAKKAGARIAAFTTNPDSPLAGLADAVVIIPAAQKTDHGSHISRQYAGSLFEQVLFVVTEAVFQSLWDHTEVEAEELWTRHANLE Catalyzes the isomerization between 3-hexulose 6- phosphate and fructose 6-phosphate. 6-phospho-3-hexuloisomerase PHI_MYCGS 3-hexulose-6-phosphate isomerase