5hqd

Acoustic injectors for drop-on-demand serial femtosecond crystallography

spinqualitylabelsall models 5hqd, resolution 2.52Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5hqd is a 1 chain structure with sequence from Thermus thermophilus. This structure supersedes the now removed PDB entry 5f80. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.52Å Ligands: CA, ZN Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function V5IRV7_THETH Publication Abstract from PubMed X-ray free-electron lasers (XFELs) provide very intense X-ray pulses suitable for macromolecular crystallography. Each X-ray pulse typically lasts for tens of femtoseconds and the interval between pulses is many orders of magnitude longer. Here we describe two novel acoustic injection systems that use focused sound waves to eject picoliter to nanoliter crystal-containing droplets out of microplates and into the X-ray pulse from which diffraction data are collected. The on-demand droplet delivery is synchronized to the XFEL pulse scheme, resulting in X-ray pulses intersecting up to 88% of the droplets. We tested several types of samples in a range of crystallization conditions, wherein the overall crystal hit ratio (e.g., fraction of images with observable diffraction patterns) is a function of the microcrystal slurry concentration. We report crystal structures from lysozyme, thermolysin, and stachydrine demethylase (Stc2). Additional samples were screened to demonstrate that these methods can be applied to rare samples. Acoustic Injectors for Drop-On-Demand Serial Femtosecond Crystallography.,Roessler CG, Agarwal R, Allaire M, Alonso-Mori R, Andi B, Bachega JF, Bommer M, Brewster AS, Browne MC, Chatterjee R, Cho E, Cohen AE, Cowan M, Datwani S, Davidson VL, Defever J, Eaton B, Ellson R, Feng Y, Ghislain LP, Glownia JM, Han G, Hattne J, Hellmich J, Heroux A, Ibrahim M, Kern J, Kuczewski A, Lemke HT, Liu P, Majlof L, McClintock WM, Myers S, Nelsen S, Olechno J, Orville AM, Sauter NK, Soares AS, Soltis SM, Song H, Stearns RG, Tran R, Tsai Y, Uervirojnangkoorn M, Wilmot CM, Yachandra V, Yano J, Yukl ET, Zhu D, Zouni A Structure. 2016 Apr 5;24(4):631-40. doi: 10.1016/j.str.2016.02.007. Epub 2016 Mar, 17. PMID:26996959 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Thermolysin 3D structures

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