4yay

XFEL structure of human Angiotensin Receptor

spinqualitylabelsall models 4yay, resolution 2.90Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4yay is a 1 chain structure with sequence from Escherichia coli and Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.9Å Ligands: ZD7 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Disease AGTR1_HUMAN NON RARE IN EUROPE: Essential hypertension;Renal tubular dysgenesis of genetic origin. The disease is caused by mutations affecting the gene represented in this entry. Function C562_ECOLX Electron-transport protein of unknown function.AGTR1_HUMAN Receptor for angiotensin II. Mediates its action by association with G proteins that activate a phosphatidylinositol-calcium second messenger system. Publication Abstract from PubMed Angiotensin II type 1 receptor (AT1R) is a G protein-coupled receptor that serves as a primary regulator for blood pressure maintenance. Although several anti-hypertensive drugs have been developed as AT1R blockers (ARBs), the structural basis for AT1R ligand-binding and regulation has remained elusive, mostly due to the difficulties of growing high-quality crystals for structure determination using synchrotron radiation. By applying the recently developed method of serial femtosecond crystallography at an X-ray free-electron laser, we successfully determined the room-temperature crystal structure of the human AT1R in complex with its selective antagonist ZD7155 at 2.9-A resolution. The AT1R-ZD7155 complex structure revealed key structural features of AT1R and critical interactions for ZD7155 binding. Docking simulations of the clinically used ARBs into the AT1R structure further elucidated both the common and distinct binding modes for these anti-hypertensive drugs. Our results thereby provide fundamental insights into AT1R structure-function relationship and structure-based drug design. Structure of the Angiotensin receptor revealed by serial femtosecond crystallography.,Zhang H, Unal H, Gati C, Han GW, Liu W, Zatsepin NA, James D, Wang D, Nelson G, Weierstall U, Sawaya MR, Xu Q, Messerschmidt M, Williams GJ, Boutet S, Yefanov OM, White TA, Wang C, Ishchenko A, Tirupula KC, Desnoyer R, Coe J, Conrad CE, Fromme P, Stevens RC, Katritch V, Karnik SS, Cherezov V Cell. 2015 May 7;161(4):833-44. doi: 10.1016/j.cell.2015.04.011. Epub 2015 Apr, 23. PMID:25913193 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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