Signal Recognition Particle

The signal recognition particle (SRP) is an abundant, cytosolic, universally conserved ribonucleoprotein (protein-RNA complex) that recognizes and targets specific proteins to the endoplasmic reticulum in eukaryotes and the plasma membrane in prokaryotes.

Read more about Signal Recognition Particle:  History, Mechanism, The Composition of SRP, Autoantibodies

Famous quotes containing the words signal, recognition and/or particle:

    A signal is comprehended if it serves to make us notice the object or situation it bespeaks. A symbol is understood when we conceive the idea it presents.
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    Productive collaborations between family and school, therefore, will demand that parents and teachers recognize the critical importance of each other’s participation in the life of the child. This mutuality of knowledge, understanding, and empathy comes not only with a recognition of the child as the central purpose for the collaboration but also with a recognition of the need to maintain roles and relationships with children that are comprehensive, dynamic, and differentiated.
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    You don’t hold any mystery for me, darling, do you mind? There isn’t a particle of you that I don’t know, remember, and want.
    Noël Coward (1899–1973)