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| Description: Transketolase catalyzes a transfer of a two-carbon fragment from xylulose-5-phosphate to ribose-5-phosphate to give a triose phosphate, glyceraldehyde-3-phosphate, and a seven-carbon sugar, sedoheptulose-7-phosphate. In the final reaction of pentose phosphate catabolism, transketolase acts on another molecule of xylulose-5-phosphate, transferring a glycolaldehyde fragment to erythrose-4-phosphate and generating a three-carbon product and a six-carbon product—glyceraldehyde-3-phosphate and fructose-6-phosphate, respectively. Picture Stats: Views: 203 Filesize: 48.58kB Height: 271 Width: 908 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=34559 |