| Human SRP RNA.
The termini are towards the left.
|Approach of proteins SRP14, SRP9, and SRP19.|||||pdb|
| SRP9 and SRP14 form a heterodimer.
SRP19 binds to the tetraloop of helix 6.
| SRP9/14 bind the small domain.
SRP19 binds also to helix 8.
|SRP9/14 makes additional contacts with RNA.|||||pdb|
| SRP54 binds to helix 8.
(Only the 54m-part is shown. A groove
in SRP54m will bind the signal peptide.)
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