6dd6

Crystal structure of bacterial (6-4) photolyase PhrB from in situ serial Laue diffraction

spinqualitylabelsall models 6dd6, resolution 2.30Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6dd6 is a 1 chain structure with sequence from Agrobacterium tumefaciens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.3Å Ligands: DLZ, FAD Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function PHRB_AGRFC Photolyase involved in the repair of UV-induced (6-4) lesions in DNA. Catalyzes the photoreactivation of (6-4) pyrimidine-pyrimidone photoproducts by using blue-light energy. Can repair (6-4) photoproducts in ssDNA as well as in dsDNA. Publication Abstract from PubMed Recent developments in serial crystallography at X-ray free electron lasers (XFELs) and synchrotrons have been driven by two scientific goals in structural biology - first, static structure determination from nano or microcrystals of membrane proteins and large complexes that are difficult for conventional cryocrystallography, and second, direct observations of transient structural species in biochemical reactions at near atomic resolution. Since room-temperature diffraction experiments naturally demand a large quantity of purified protein, sample economy is critically important for all steps of serial crystallography from crystallization, crystal delivery to data collection. Here we report the development and applications of "crystal-on-crystal" devices to facilitate large-scale in situ serial diffraction experiments on protein crystals of all sizes - large, small, or microscopic. We show that the monocrystalline quartz as a substrate material prevents vapor loss during crystallization and significantly reduces background X-ray scattering. These devices can be readily adopted at XFEL and synchrotron beamlines, which enable efficient delivery of hundreds to millions of crystals to the X-ray beam, with an overall protein consumption per dataset comparable to that of cryocrystallography. Crystal-on-crystal chips for in situ serial diffraction at room temperature.,Ren Z, Ayhan M, Bandara S, Bowatte K, Kumarapperuma I, Gunawardana S, Shin H, Wang C, Zeng X, Yang X Lab Chip. 2018 Jun 28. doi: 10.1039/c8lc00489g. PMID:29952383 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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