... any case, the abstracted proton also needs to be removed from thisregion of the protein. In the cases presented inTable 2, there are potential bases near the residues thattether the flavin ... of MAO B. The isoalloxa-zine ring of FAD is in yellow. The axis of the pink helix pointsdirectly at the C2-O of the isoalloxazine. Cys397, covalently boundto the 8a-carbon of the isoalloxazine ... further supported by analysis of the H94Amutant of ChitO. For this mutant, similar effects on the kcat, the Kmand observed rate of reduction werefound as for the C154A mutant. However, the...