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Figure 4.
Figure 4: Interaction of spectinomycin with the 30S ribosomal
subunit. a, Difference Fourier maps showing the binding site
of spectinomycin in helix 34. b, Chemical structure of
spectinomycin, showing interactions of the various groups with
specific residues of 30S. c, The spectinomycin-binding site,
showing its location at a pivotal point in the head of the 30S
subunit. d, Inset showing spectinomycin in a space-filling
model, and the location of its binding site on the 30S.
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