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Translocation by CryoEM<br />

Update for translocation model<br />

EF-G+GTP<br />

binding<br />

GTP hydrolysis<br />

and Pi release<br />

E P A<br />

E P A<br />

E P A<br />

L1<br />

L1<br />

EF-G<br />

GTP<br />

L1<br />

EF-G<br />

GDP<br />

E<br />

P<br />

A<br />

E<br />

P<br />

A<br />

E*<br />

P*<br />

A*<br />

Unlocked<br />

•Translocation on the 50S first (hybrid tRNAs)<br />

•Relative rotation between subunits<br />

•L1 stalk holds the mRNA-(tRNAs) complex<br />

•EF-G changes recover ground state<br />

Locked

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