Question: Which taxon does 4-hydroxy-3-methylbut-2-enyl diphosphate reductase    CA_C1847 belong to ?
Answer: Clostridium acetobutylicum ATCC 824
Answer sentence: 4-hydroxy-3-methylbut-2-enyl diphosphate reductase ca_c1847 belong to clostridium acetobutylicum atcc 824 taxon