ArticleBiophysical journal2006
Evaluation of the information content in infrared spectra for protein secondary structure determination.
Article in Biophysical journal, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 88 papers.
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Who cites it
88 citing papers in PubMed.
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- Lipid Composition Modulates Secondary Structure at the Biocondensate-Membrane Interface.bioRxiv : the preprint server for biology · 2026Article
- An Immuno-Infrared Sensor Detects Preclinical Alzheimer's and Parkinson's Disease by Protein Misfolding.The journal of physical chemistry. B · 2026Review
- A Reversible ATR-FTIR Biosensor with Single-Residue Sensitivity.Analytical chemistry · 2026Article
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- Potential Modulatory Effects of β-Hydroxy-β-Methylbutyrate on Type I Collagen Fibrillogenesis: Preliminary Study.International journal of molecular sciences · 2025Article
- Investigating the Interactions of Peptide Nucleic Acids with Multicomponent Peptide Hydrogels for the Advancement of Healthcare Technologies.Gels (Basel, Switzerland) · 2025Article
- Azurin a potent anticancer and antimicrobial agent isolated from a novel Pseudomonas aeruginosa strain.Scientific reports · 2025Article
- Protein secondary structure determined from independent and integrated infra-red absorbance and circular dichroism data using the algorithm SELCON.QRB discovery · 2025Article
- Replacement of a single residue in an antibody abolishes cognate antigen binding, as predicted by theoretical methods.Computational and structural biotechnology journal · 2025Article
- Influence of EGCG (Foods (Basel, Switzerland) · 2024Article
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- A fresh perspective on infrared spectroscopy as a prescreening method for molecular and stable isotopes analyses on ancient human bones.Scientific reports · 2024Article
- Spectral Features Differentiate Aging-Induced Changes in Parchment-A Combined Approach of UV/VIS, µ-ATR/FTIR and µ-Raman Spectroscopy with Multivariate Data Analysis.Molecules (Basel, Switzerland) · 2023Article
- Oncogenic CALR mutant C-terminus mediates dual binding to the thrombopoietin receptor triggering complex dimerization and activation.Nature communications · 2023Article
- Interaction of Lysozyme with Poly(L-lysine)/Hyaluronic Acid Multilayers: An ATR-FTIR Study.Polymers · 2023Article
28 more citing papers are in PubMed but not listed here.
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fourier-transform infrared spectroscopy is a method of choice for the experimental determination of protein secondary structure. Numerous approaches have been developed during the past 15 years. A critical parameter that has not been taken into account systematically is the selection of the wavenumbers used for building the mathematical models used for structure prediction. The high quality of the current Fourier-transform infrared spectrometers makes the absorbance at every single wavenumber a valid and almost noiseless type of information. We address here the question of the amount of independent information present in the infrared spectra of proteins for the prediction of the different secondary structure contents. It appears that, at most, the absorbance at three distinct frequencies of the spectra contain all the nonredundant information that can be related to one secondary structure content. The ascending stepwise method proposed here identifies the relevance of each wavenumber of the infrared spectrum for the prediction of a given secondary structure and yields a particularly simple method for computing the secondary structure content. Using the 50-protein database built beforehand to contain as little fold redundancy as possible, the standard error of prediction in cross-validation is 5.5% for the alpha-helix, 6.6% for the beta-sheet, and 3.4% for the beta-turn.
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