Chemistry of peptide bond formation

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Bibliographic Details
Other Authors: Green, Rachel (Speaker)
Format: Electronic Video
Language:English
Published: London : Henry Stewart Talks, 2008.
Series:Henry Stewart talks. Biomedical & life sciences collection. Mechanisms of ribosome function : insights into protein synthesis.
Subjects:
Online Access:https://hstalks.com/bs/803/
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Table of Contents:
  • Contents: Fundamental processes during protein synthesis
  • Peptidyl transfer catalysis by RNA-rich active site
  • Ribosome structure solution provided new insights
  • Peptide bond formation and peptide release
  • Active site of the ribosome
  • Universally conserved nucleotides of the active site
  • Affinity tag purification of mutant ribosomes
  • Active site mutations and rates of peptidyl transfer
  • A-site substrates: tRNA vs. puromycin
  • "Uninduced" state of ribosome and P-site substrate
  • A-site substrates-induced conformational changes
  • Peptide release activity of variant ribosomes
  • RF catalysis in the large subunit
  • RF conserved amino acids in bacteria
  • Consequences of RF1 site-directed mutations
  • Nucleophile partitioning
  • Mutants that lost water specificity
  • RF components functioning in activating hydrolysis
  • Regulation of translation post-initiation.