A 2-ketoheptulose formed metabolically in the pentose monophosphate pathway as the 7-phosphate by condensation of d-xylulose 5-phosphate and d-ribose 5-phosphate, splitting out d-glyceraldehyde 3-phosphate; the unphosphorylated sugar is found in Sedum (stonecrop). SYN: d-altro-2-heptulose.
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se·do·hep·tu·lose .sēd-ō-'hep-tyə-.lōs, -.lōz n an amorphous ketose sugar C7H14O7 that plays a role in carbohydrate metabolism but is not fermented by yeast and that is a laboratory source of D-altrose and, D-ribose
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sedo·hep·tu·lose (se″do-hepґtu-lōs) a seven-carbon ketose occurring in phosphorylated form (sedoheptulose 7-phosphate) as an intermediate in the pentose phosphate pathway.Medical dictionary. 2011.