| 单词 |
nitrogenase |
| 释义 |
nitrogenase Biochem.|naɪˈtrɒdʒəneɪz, -s| [f. nitrogen + -ase.] The enzyme which combines with molecular nitrogen as the first step in biological nitrogen fixation.
1934D. Burk in Ergebnisse der Enzymforschung III. 24 Nitrogenase is the specific enzyme within the azotase system that combines directly with N2 with characteristic affinity. 1950Federation Proc. IX. 548/1 The remarkable effect of molecular nitrogen appears to require activation of nitrogenase which in some way results in simultaneous activation of the dehydrogenases which are thereby enabled to compete successfully with the hydrogenase systems. 1975Nature 3 Jan. 7/3 It is now a tacit assumption of all model studies that a metal ion, most probably molybdenum, is responsible for binding dinitrogen in nitrogenase. |

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