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Ribosomal structure<br />

•Two subunits<br />

Large (50S) peptide synthesis<br />

Small (30S) mRNA reading<br />

50S 23S rRNA (~2900 Nu)<br />

5S rRNA (~120 Nu)<br />

~40 proteins<br />

30S<br />

16S rRNA (~1540 Nu)<br />

~30 proteins<br />

L1<br />

Sb<br />

•Three tRNA binding sites in both<br />

subunits<br />

A (aminoacyl-tRNA)<br />

P (peptidyl-tRNA)<br />

E (exit-tRNA)

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