Is the carbon atom recently found in the center of the M-cluster of nitrogenase ubiquitous in all nitrogenases (Mo, V, and Fe?
Nitrogenases are proteins thus they have carbons. I sure like a globin (examples hemoglobin...) transitional metals will be at the core.
Bruce, I'm talking about the M-cluster not the polypeptide chain.
Me too! Since, it a central carbide structure is part of the FeMoco site of a Nitrogenase. See attached (you're not crazy!).
https://en.wikipedia.org/wiki/FeMoco
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