Reference: Czeleń P and Czyżnikowska Ż (2016) Physical nature of intermolecular interactions inside Sir2 homolog active site: molecular dynamics and ab initio study. J Mol Model 22(6):120

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Abstract


In the present study, we analyze the interactions of NAD+-dependent deacetylase (Sir2 homolog yeast Hst2) with carba-nicotinamide-adenine-dinucleotide (ADP-HPD). For the Sir2 homolog, a yeast Hst2 docking procedure was applied. The structure of the protein-ADP-HPD complex obtained during the docking procedure was used as a starting point for molecular dynamics simulation. The intermolecular interaction energy partitioning was performed for protein-ADP-HPD complex resulting from molecular dynamics simulation. The analysis was performed for ADP-HPD and 15 amino acids forming a deacetylase binding pocket. Although the results indicate that the first-order electrostatic interaction energy is substantial, the presence of multiple hydrogen bonds in investigated complexes can lead to significant value of induction component.

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Journal Article | Research Support, Non-U.S. Gov't
Authors
Czeleń P, Czyżnikowska Ż
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