Title
Catalysis of Orotidine 5Monophosphate: A Computational Study,Used
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As a model for interactions present in the active site of orotidine5monophosphate decarboxylase (ODCase), we investigated the effects of substrate destabilization by a nearby negative charge and stabilization of the carbanion intermediate, due to hydrogen bonds to the carbonyl groups (O2 and O4) of orotic acid and its decarboxylation product, using ab initio calculations. Results from these models were comparable with available data, suggesting that the magnitude of the decarboxylation rate enhancement depends on a combination of the charge distance and hydrogen bonding effects. We found that the dipole moment of the proton donor may also play a significant role, implying that the key to the rest of the catalysis lie within the specific interactions of the substrate and the surrounding residues.
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We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
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We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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