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Surface of the 30S subunit of Escherichia coli (PDB ID: 7OE1) (inter-subunit interface view). Distinct structural domains of the 30S subunit (the head, the body, and the platform) are shown in light wheat, pale white, and light pink, respectively. The helices of the decoding center (CDR)—h1, h2, h27, h28, h44, and h45—are shown as illustrated models.
