On the importance of ribose orientation in the substrate activation of the coenzyme B12-dependent mutases.


The degree to which the corrin ring portion of coenzyme B(12) can facilitate the H-atom-abstraction step in the glutamate mutase (GM)-catalyzed reaction of (S)-glutamate has been investigated with density functional theory. The crystal structure of GM identifies two possible orientations of the ribose portion of coenzyme B(12). In one orientation (A), the… (More)
DOI: 10.1002/chem.200901002


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