Question

What are the roles of eRF1 and eRF3?

   What are the roles of eRF1 and eRF3?

Molecular Biology

Molecular Biology

Robert F. Weaver 5th Edition

Chapter 18, Problem 25

Instant Answer

Solved by Expert Lottie Adams

02/23/2021

Step 1

eRF1 (eukaryotic Release Factor 1) and eRF3 (eukaryotic Release Factor 3) are proteins involved in the process of translation termination in eukaryotic cells. Show more…

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What are the roles of eRF1 and eRF3?

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Key Concepts

GTPase Activity

Certain release factors, such as the one functioning similarly to eRF3, rely on GTP hydrolysis to induce the necessary conformational changes that drive the termination process forward and facilitate the release of the newly synthesized protein.

Stop Codon Recognition

This is the ability of termination factors to identify stop codons in the mRNA, which signals the end of translation. Specific proteins are responsible for decoding these signals, ensuring that translation stops at the correct position.

Translation Termination

This is the process in protein synthesis where the ribosome stops translating the mRNA when a stop codon is encountered. It ensures that the growing polypeptide chain is properly released and that the ribosomal subunits dissociate for future rounds of translation.

Release Factors

Eukaryotic release factors are proteins that facilitate the termination phase of translation. They are essential for recognizing stop codons and promoting the release of the polypeptide chain from the ribosome.

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