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. 2012 Apr;4(4):a003681. doi: 10.1101/cshperspect.a003681

Figure 1.

Figure 1.

Cross-section of the crystal structure of the T. thermophilus 70S ribosome (Yusupov et al. 2001), with the 30S subunit on the left and the 50S subunit on the right. The locations of the peptidyl-tRNA (orange) at the subunit interface, the mRNA (green-yellow-red) wrapping around the neck of the 30S subunit, and a modeled α-helical nascent polypeptide chain (green) in the polypeptide exit tunnel are indicated. The 16S rRNA is shown in cyan, 23S rRNA in grey, 5S rRNA in grey-blue, 30S subunit proteins in dark blue, and 50S subunit proteins in magenta.