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The catalytic mechanism of orotidine monophosphate decarboxylase (ODCase) has been modeled using density functional theory with the B3LYP functional. Barriers for three different mechanisms have been calculated using large QM and QM/MM models. A concerted protonation mechanism where TS stabilization is provided only by the positive Lys93 has a high barrier around 35 kcal/mol. QM/MM calculations confirm...
The catalytic mechanism of orotidine monophosphate decarboxylase (ODCase) has been modeled using density functional theory with the B3LYP functional. Barriers for three different mechanisms have been calculated using large QM and QM/MM models. A concerted protonation mechanism where TS stabilization is provided only by the positive Lys93 has a high barrier around 35 kcal/mol. QM/MM calculations confirm...
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