6emg | pdb_00006emg

Crystal structure of Rrp1 from Chaetomium thermophilum in space group P6322

spinqualitylabelsall models 6emg, resolution 2.24Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6emg is a 2 chain structure with sequence from Chaetomium thermophilum var. thermophilum DSM 1495. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.24Å Ligands: EDO, EPE, PO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function G0S4M2_CHATD Publication Abstract from PubMed Eukaryotic 60S ribosomal subunits are comprised of three rRNAs and approximately 50 ribosomal proteins. The initial steps of their formation take place in the nucleolus, but, owing to a lack of structural information, this process is poorly understood. Using cryo-EM, we solved structures of early 60S biogenesis intermediates at 3.3 A to 4.5 A resolution, thereby providing insights into their sequential folding and assembly pathway. Besides revealing distinct immature rRNA conformations, we map 25 assembly factors in six different assembly states. Notably, the Nsa1-Rrp1-Rpf1-Mak16 module stabilizes the solvent side of the 60S subunit, and the Erb1-Ytm1-Nop7 complex organizes and connects through Erb1's meandering N-terminal extension, eight assembly factors, three ribosomal proteins, and three 25S rRNA domains. Our structural snapshots reveal the order of integration and compaction of the six major 60S domains within early nucleolar 60S particles developing stepwise from the solvent side around the exit tunnel to the central protuberance. Visualizing the Assembly Pathway of Nucleolar Pre-60S Ribosomes.,Kater L, Thoms M, Barrio-Garcia C, Cheng J, Ismail S, Ahmed YL, Bange G, Kressler D, Berninghausen O, Sinning I, Hurt E, Beckmann R Cell. 2017 Dec 14;171(7):1599-1610.e14. doi: 10.1016/j.cell.2017.11.039. PMID:29245012 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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