5o64 | pdb_00005o64

From macrocrystals to microcrystals: a strategy for membrane protein serial crystallography

spinqualitylabelsall models 5o64, resolution 3.30Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5o64 is a 4 chain structure with sequence from Blastochloris viridis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 3.3Å Ligands: BPB, DGA, FE2, FME, HEC, HTO, LDA, MQ7, NS5, SO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function CYCR_BLAVI The reaction center of purple bacteria contains a tightly bound cytochrome molecule which re-reduces the photo oxidized primary electron donor. Publication Abstract from PubMed Serial protein crystallography was developed at X-ray free-electron lasers (XFELs) and is now also being applied at storage ring facilities. Robust strategies for the growth and optimization of microcrystals are needed to advance the field. Here we illustrate a generic strategy for recovering high-density homogeneous samples of microcrystals starting from conditions known to yield large (macro) crystals of the photosynthetic reaction center of Blastochloris viridis (RCvir). We first crushed these crystals prior to multiple rounds of microseeding. Each cycle of microseeding facilitated improvements in the RCvir serial femtosecond crystallography (SFX) structure from 3.3-A to 2.4-A resolution. This approach may allow known crystallization conditions for other proteins to be adapted to exploit novel scientific opportunities created by serial crystallography. From Macrocrystals to Microcrystals: A Strategy for Membrane Protein Serial Crystallography.,Dods R, Bath P, Arnlund D, Beyerlein KR, Nelson G, Liang M, Harimoorthy R, Berntsen P, Malmerberg E, Johansson L, Andersson R, Bosman R, Carbajo S, Claesson E, Conrad CE, Dahl P, Hammarin G, Hunter MS, Li C, Lisova S, Milathianaki D, Robinson J, Safari C, Sharma A, Williams G, Wickstrand C, Yefanov O, Davidsson J, DePonte DP, Barty A, Branden G, Neutze R Structure. 2017 Jul 27. pii: S0969-2126(17)30217-4. doi:, 10.1016/j.str.2017.07.002. PMID:28781082 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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