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  2. Eukaryotic translation - Wikipedia

    en.wikipedia.org/wiki/Eukaryotic_translation

    The elongation and membrane targeting stages of eukaryotic translation. The ribosome is green and yellow, the tRNAs are dark-blue, and the other proteins involved are light-blue. Elongation depends on eukaryotic elongation factors. At the end of the initiation step, the mRNA is positioned so that the next codon can be translated during the ...

  3. Aminoacyl-tRNA - Wikipedia

    en.wikipedia.org/wiki/Aminoacyl-tRNA

    The elongation factor EF-Tu has been shown to stabilize the bond by preventing weak acyl linkages from being hydrolyzed. [ 12 ] All together, the actual stability of the ester bond influences the susceptibility of the aa-tRNA to hydrolysis within the body at physiological pH and ion concentrations.

  4. EF-Tu - Wikipedia

    en.wikipedia.org/wiki/EF-Tu

    EF-Tu (elongation factor thermo unstable) is a prokaryotic elongation factor responsible for catalyzing the binding of an aminoacyl-tRNA (aa-tRNA) to the ribosome. It is a G-protein , and facilitates the selection and binding of an aa-tRNA to the A-site of the ribosome.

  5. Eukaryotic transcription - Wikipedia

    en.wikipedia.org/wiki/Eukaryotic_transcription

    In extreme cases, for example, when the polymerase encounters a damaged nucleotide, it comes to a complete halt. More often, an elongating polymerase is stalled near the promoter. [32] Promoter-proximal pausing during early elongation is a commonly used mechanism for regulating genes poised to be expressed rapidly or in a coordinated fashion.

  6. Translational regulation - Wikipedia

    en.wikipedia.org/wiki/Translational_regulation

    The corresponding mechanisms are primarily targeted on the control of ribosome recruitment on the initiation codon, but can also involve modulation of peptide elongation, termination of protein synthesis, or ribosome biogenesis. While these general concepts are widely conserved, some of the finer details in this sort of regulation have been ...

  7. Transcription (biology) - Wikipedia

    en.wikipedia.org/wiki/Transcription_(biology)

    Simple diagram of transcription elongation. One strand of the DNA, the template strand (or noncoding strand), is used as a template for RNA synthesis. As transcription proceeds, RNA polymerase traverses the template strand and uses base pairing complementarity with the DNA template to create an RNA copy (which elongates during the traversal).

  8. Eukaryotic initiation factor - Wikipedia

    en.wikipedia.org/wiki/Eukaryotic_initiation_factor

    It helps with elongation and also plays a role in termination. EIF5A contains the unusual amino acid hypusine. [11] eIF5B is a GTPase, and is involved in assembly of the full ribosome. It is the functional eukaryotic analog of bacterial IF2. [12]

  9. Translocase - Wikipedia

    en.wikipedia.org/wiki/Translocase

    A clear example of an enzyme that follows this scheme is H+-transporting two-sector ATPase: ATP + H 2 O + 4 H + side 1 = ADP + phosphate + 4 H + side 2 A) ATP-ADP translocase: protein responsible for the 1: 1 exchange of intramitochondrial ATP for ADP produced in the cytoplasm. B) Phosphate translocase: the transport of H2PO4- together with a ...