Contents

04 May 2001
Vol 292, Issue 5518

About The Cover

Cover image expansion

COVER Crystal structure of a Thermus thermophilus 70S ribosome containing three bound transfer RNAs (top) and exploded views showing its different molecular components (middle and bottom). The 16S, 23S, and 5S ribosomal RNAs are cyan, gray, and light purple, respectively; the A-, P-, and E-site transfer RNAs are shown in yellow, orange, and red, respectively. The 30S subunit proteins are dark purple, and the 50S proteins are magenta. See page 883 [Image: M. M. Yusupov, G. Zh. Yusupova, A. Baucom, K. Lieberman, T. N. Earnest, J. H. D. Cate, H. F. Noller]