7SL RNA
From Wikipedia, the free encyclopedia
7SL RNA is an RNA molecule, component of the signal recognition particle (SRP).
Although originally the SRP was thought to be only composed by 6 polypeptides, this small cytoplasmic RNA molecule was found to be a component of the complex.
The RNA gene for 7SL is transcribed by the RNA polymerase III.
The common SINE family Alu probably originated from a duplication of a 7SL RNA gene.
[edit] See also
[edit] References
- Walter P, Blobel G. "Signal recognition particle contains a 7S RNA essential for protein translocation across the endoplasmic reticulum.", Nature 21;299(5885):691-8 (1982).
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