487D:
reference: The 3D arrangement of the 23 S and 5 S rRNA in the Escherichia coli 50 S ribosomal subunit based on a cryo-electron microscopic reconstruction at 7.5 A resolution., Mueller F, Sommer I, Baranov P, Matadeen R, Stoldt M, Wohnert J, Gorlach M, van Heel M, Brimacombe R, J Mol Biol 2000 Apr 21;298(1):35-59. PMID: 10756104

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