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Updated: Feb 14, 2026
Identification of Post-translational Modifications of Plant Protein Complexes
Published on: February 22, 2014
Structure and function of heme proteins regulated by diverse post-translational modifications
1School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China; Laboratory of Protein Structure and Function, University of South China, Hengyang 421001, China.
Post-translational modifications (PTMs) significantly alter heme protein structure and function. Understanding these diverse modifications, from cross-links to oxidations, enables the creation of novel heme proteins and therapeutic strategies.
Area of Science:
- Biochemistry
- Molecular Biology
- Proteomics
Background:
- Heme proteins are vital biological molecules with diverse functions.
- Post-translational modifications (PTMs) are key mechanisms nature uses to regulate heme protein structure and function.
Purpose of the Study:
- To review the diverse array of post-translational modifications (PTMs) discovered in heme proteins.
- To explore the formation mechanisms and functional impacts of these PTMs.
- To discuss the application of PTM knowledge in creating artificial heme proteins and therapeutic interventions.
Main Methods:
- Comprehensive literature review of PTMs in heme proteins.
- Analysis of PTM formation mechanisms and their effects on protein structure and function.
- Examination of current and potential applications of PTMs in biotechnology and medicine.
Main Results:
- A wide range of PTMs identified, including heme-protein cross-links, heme modifications, amino acid cross-links, and amino acid modifications (oxidation, nitration, phosphorylation, glycation).
- Detailed insights into the formation mechanisms and functional consequences of various PTMs.
- Successful application of beneficial PTMs in engineering artificial heme proteins and development of inhibitors for detrimental PTMs.
Conclusions:
- The study provides a comprehensive overview of heme protein PTMs, highlighting their significance in biological systems.
- Advances in understanding PTMs facilitate the rational design of heme proteins with tailored functions.
- Future research holds promise for controlling PTMs, particularly those linked to human diseases, for therapeutic benefits.
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