Design, synthesis, and testing of potential antisickling agents. 5. Disubstituted benzoic acids designed for the donor site and proline salicylates designed for the acceptor site
作者:Donald J. Abraham、David M. Gazze、Paul E. Kennedy、Michael Mokotoff
DOI:10.1021/jm00378a005
日期:1984.12
This paper reports the discovery of a new class of potent antigelling agents. The new compounds, disubstituted benzoic acid derivatives, were designed by using molecular modeling experiments. These molecules contain functional groups positioned to interact with several polar amino acid residues near the Val-6 beta mutation site (donor site) in HbS. The compounds also contain a hydrophobic group designed
Enhancement of Hydrophobic Interactions and Hydrogen Bond Strength by Cooperativity: Synthesis, Modeling, and Molecular Dynamics Simulations of a Congeneric Series of Thrombin Inhibitors
作者:Laveena Muley、Bernhard Baum、Michael Smolinski、Marek Freindorf、Andreas Heine、Gerhard Klebe、David G. Hangauer
DOI:10.1021/jm9016416
日期:2010.3.11
that engages in a hydrogenbond with Gly 216. The first series of inhibitors has a m-chlorobenzyl moiety binding in the S1 pocket, and the second has a benzamidine moiety. When the adjacent hydrogenbond is present, the enhanced binding affinity per Å2 of hydrophobic contact surface in the S3 pocket improves by 75% and 59%, respectively, over the inhibitors lacking this hydrogenbond. This improvement
Modulating hydrogen-bond basicity within the context of protein-ligand binding: A case study with thrombin inhibitors that reveals a dominating role for desolvation
作者:Nader N. Nasief、Ahmed M. Said、David Hangauer
DOI:10.1016/j.ejmech.2016.09.038
日期:2017.1
of hydrogen bonding is a challenging but crucial task to improve our ability to design ligands with high affinity for protein hosts. To gain a deeper understanding of these aspects, we investigated a series of thrombin inhibitors in which the basicity of the ligand'sgroup that accepts an H-bond from Gly216 was modulated via bioisosterism; e.g., a C=O acceptor was made electrondeficient or rich via