X-ray structures of two oxidation states of a flavin-nicotinamide biscoenzyme and models for flavin—nicotinamide interactions
- 1 September 1977
- journal article
- research article
- Published by Springer Nature in Nature
- Vol. 269 (5625) , 213-217
- https://doi.org/10.1038/269213a0
Abstract
The flavin nicotinamide biscoenzymes FlOX−–C3–Nic+ and H2Flred–C3–Nic+ assume extended conformations in the solid state. In both derivatives the nicotinamide and flavin groups associate through hydrogen bonding. The bending angle of the reduced flavin moiety is less than half that in any previously reported 1,5-dihydroflavin structure. This effect is apparently due to ring stacking interactions.Keywords
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