Cited by 48RNA and protein synthesis mechanismsProtein Structure and DynamicsEnzyme Structure and Function

Codon-specific Ramachandran plots show amino acid backbone conformation depends on identity of the translated codon

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Rosenberg, Aviv A., Marx, Ailie, Bronstein, Alex M.·2022·Nature Communications

Published version of a preprint

Abstract

Synonymous codons translate into chemically identical amino acids. Once considered inconsequential to the formation of the protein product, there is evidence to suggest that codon usage affects co-translational protein folding and the final structure of the expressed protein. Here we develop a method for computing and comparing codon-specific Ramachandran plots and demonstrate that the backbone dihedral angle distributions of some synonymous codons are distinguishable with statistical significance for some secondary structures. This shows that there exists a dependence between codon identity and backbone torsion of the translated amino acid. Although these findings cannot pinpoint the causal direction of this dependence, we discuss the vast biological implications should coding be shown to directly shape protein conformation and demonstrate the usefulness of this method as a tool for probing associations between codon usage and protein structure. Finally, we urge for the inclusion of exact genetic information into structural databases.

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  1. [55]Simonoff, J. S. Smoothing Methods in Statistics. Springer Science & Business Media (2012)

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Authors
Rosenberg, A. A., Marx, A., & Bronstein, A. M.
Affiliations
Technion – Israel Institute of Technology (IL)
Corresponding author
Bronstein, Alex M.
Venue
Nature Communications
Published
2022-05-20
Volume
13
Issue
1
Pages
2815-2815
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4280542143
Cited by
48
References
58
Citations by year
2026: 3 · 2025: 9 · 2024: 10 · 2023: 16 · 2022: 10
FWCI
3.67
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Research Square (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Physical Sciences › Materials Science › Materials Chemistry › Enzyme Structure and Function
Keywords
codon usage, synonymous codons, Ramachandran plot, backbone dihedral angles, protein folding, co-translational folding, protein structure, secondary structure, structural database
MeSH terms
Codon Usage, Amino Acids, Codon, Proteins, RNA, Messenger, Protein Folding

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