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What is the translocon composed of and its function?

What is the translocon composed of and its function?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**What is the translocon composed of and its function?** The translocon is a complex of proteins associated with the translocation of polypeptides across membranes. It is composed of multiple subunits that form a channel within the endoplasmic reticulum membrane, facilitating the passage of nascent proteins into the endoplasmic reticulum lumen. **Function:** - **Protein Translocation:** It assists in the transfer of newly synthesized proteins into the lumen or membrane of the endoplasmic reticulum. - **Integration of Membrane Proteins:** It helps integrate proteins into the lipid bilayer, allowing them to function as receptors or channels. - **Quality Control:** The translocon plays a role in ensuring proteins are correctly folded and properly modified. Understanding the translocon's structure and function is crucial in studying cellular processes, including protein synthesis and membrane dynamics.
Transcribed Image Text:**What is the translocon composed of and its function?** The translocon is a complex of proteins associated with the translocation of polypeptides across membranes. It is composed of multiple subunits that form a channel within the endoplasmic reticulum membrane, facilitating the passage of nascent proteins into the endoplasmic reticulum lumen. **Function:** - **Protein Translocation:** It assists in the transfer of newly synthesized proteins into the lumen or membrane of the endoplasmic reticulum. - **Integration of Membrane Proteins:** It helps integrate proteins into the lipid bilayer, allowing them to function as receptors or channels. - **Quality Control:** The translocon plays a role in ensuring proteins are correctly folded and properly modified. Understanding the translocon's structure and function is crucial in studying cellular processes, including protein synthesis and membrane dynamics.
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