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Novel engineered enzyme converts carbon dioxide to methane

from Ars Technica

A simple modification of an enzyme that reduces N2 gas to NH3 gas has led to an enzyme that reduces CO2 to methane, a reaction that takes the transfer of eight electrons. The enzyme also combined two molecules, carbon dioxide and acetylene, to form propylene, a three-carbon ingredient in many plastics. This new enzyme is ripe for detailed biophysical studies, and may have many-fold environmental and industrial applications. The report of this work appears in the Proceedings in the National Academy of Sciences. more

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