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. Author manuscript; available in PMC: 2013 Feb 20.
Published in final edited form as: Angew Chem Int Ed Engl. 2012 Jan 17;51(8):1947–1949. doi: 10.1002/anie.201108916

Figure 1.

Figure 1

GC-MS analysis of hydrocarbons generated from the reduction of 12CO and 12CN- by isolated cofactors. Specific activities of hydrocarbon formation are expressed in nmol/μmol cofactor/hr above the corresponding traces and presented as means ± SD (N = 5). ND, not determined by GC-based activity analysis. For time-dependent formation of these products, see Figure S2. In addition to hydrocarbons, ammonia (NH3) is formed at 18270 ± 129 and 15128 ± 107 nmol/μmol cofactor/hr, respectively, in FeMoco- and FeVco-catalyzed reactions of CN- reduction. Compared to the amounts of nitrogen that appear in ammonia, the total amounts of carbon that appear in hydrocarbons are 95% and 85%, respectively, in FeMoco- and FeVco-catalyzed reactions of CN- reduction.