- ketole group
- Carbons 1 and 2 of a 2-ketose (HOCH2CO—); trans-ketolation from d-xylose 5-phosphate to C-1 of aldoses is important in various metabolic pathways involving carbohydrates ( e.g., photosynthesis, Dickens shunt); the two-carbon unit is transferred as α,β-dihydroxyethylthiamin pyrophosphate.
Medical dictionary. 2011.