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Components Involved in Protein Translocation Across the Membrane of the Endoplasmic Reticulum

  • Bernhard Dobberstein
Conference paper
Part of the NATO ASI Series book series (volume 16)

Abstract

Proteins which are synthesized in the cytoplasm of eucaryotic cells can have different destinations. They can remain in the cytoplasm or be transported to a particular organelle such as the endoplasmic reticulum (ER), the mitochondria or the nucleus. The ER is the entry site to the secretory pathway for secretory, lysosomal and for those membrane proteins that become resident of the ER, the Golgi or the plasma membrane. Proteins which enter this pathway have signal sequences that guide them to the ER membrane. A typical signal sequence is about 20 amino acid residues long and its main distinctive feature is a core of hydrophobic amino acid residues. On the luminal side of the membrane the signal sequence of most presecretory proteins is cleaved by signal peptidase.

Keywords

Protein Translocation Microsomal Membrane Signal Recognition Particle Signal Peptidase Docking Protein 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1988

Authors and Affiliations

  • Bernhard Dobberstein
    • 1
  1. 1.European Molecular Biology LaboratoryHeidelbergGermany

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