3ep2 | pdb_00003ep2

Model of Phe-tRNA(Phe) in the ribosomal pre-accommodated state revealed by cryo-EM

Loading... Status: waiting for Mol* initialization Structural highlights 3ep2 is a 9 chain structure with sequence from Escherichia coli K-12. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 9Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function RS12_ECOLI With S4 and S5 plays an important role in translational accuracy.[HAMAP-Rule:MF_00403_B] Interacts with and stabilizes bases of the 16S rRNA that are involved in tRNA selection in the A site and with the mRNA backbone. Located at the interface of the 30S and 50S subunits, it traverses the body of the 30S subunit contacting proteins on the other side and probably holding the rRNA structure together. The combined cluster of proteins S8, S12 and S17 appears to hold together the shoulder and platform of the 30S subunit (By similarity).[HAMAP-Rule:MF_00403_B] Cryo-EM studies suggest that S12 contacts the EF-Tu bound tRNA in the A-site during codon-recognition. This contact is most likely broken as the aminoacyl-tRNA moves into the peptidyl transferase center in the 50S subunit.[HAMAP-Rule:MF_00403_B] Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. See Also Elongation factor 3D structures Ribosomal protein L11 3D structures Ribosomal protein S12 Transfer RNA (tRNA)

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