6i6g

Dehaloperoxidase B from Amphitrite ornata - complex with 5-bromoindole

spinqualitylabelsall models 6i6g, resolution 1.85Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6i6g is a 2 chain structure with sequence from Amphitrite ornata. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.85Å Ligands: H4N, HEM, SO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function Q9NAV7_9ANNE Publication Abstract from PubMed High-throughput X-ray crystal structures of protein-ligand complexes are critical to pharmaceutical drug development. However, cryocooling of crystals and X-ray radiation damage may distort the observed ligand binding. Serial femtosecond crystallography (SFX) using X-ray free-electron lasers (XFELs) can produce radiation-damage-free room-temperature structures. Ligand-binding studies using SFX have received only modest attention, partly owing to limited beamtime availability and the large quantity of sample that is required per structure determination. Here, a high-throughput approach to determine room-temperature damage-free structures with excellent sample and time efficiency is demonstrated, allowing complexes to be characterized rapidly and without prohibitive sample requirements. This yields high-quality difference density maps allowing unambiguous ligand placement. Crucially, it is demonstrated that ligands similar in size or smaller than those used in fragment-based drug design may be clearly identified in data sets obtained from <1000 diffraction images. This efficiency in both sample and XFEL beamtime opens the door to true high-throughput screening of protein-ligand complexes using SFX. High-throughput structures of protein-ligand complexes at room temperature using serial femtosecond crystallography.,Moreno-Chicano T, Ebrahim A, Axford D, Appleby MV, Beale JH, Chaplin AK, Duyvesteyn HME, Ghiladi RA, Owada S, Sherrell DA, Strange RW, Sugimoto H, Tono K, Worrall JAR, Owen RL, Hough MA IUCrJ. 2019 Oct 10;6(Pt 6):1074-1085. doi: 10.1107/S2052252519011655. eCollection, 2019 Nov 1. PMID:31709063 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Dehaloperoxidase 3D structures

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