Abstract
The inmeso insitu serial X-ray crystallization method (Huang et al., (2015) Acta Crystallogr D Biol Crystallogr 71, 1238) combines lipid cubic phase crystallization, direct freezing of the crystallization droplet without handling of the crystals, and data collection insitu. Recently, this method was used to overcome the mechanical fragility of crystals which enabled the X-ray structure determination of chemokine receptor 2A (Apel et al., (2019) Structure 27, 427) at 2.7Å resolution. The CCR2 structure provides the structural basis for ligand selectivity of CCR2 against chemokine receptor 5 and provides insights into the residence time of MK-0812 analogs based on molecular dynamics simulations. These findings offer new opportunities for drug discovery targeting chemokine receptors.
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