Selenium chemistry for spatio-selective peptide and protein functionalization.

Area of Science:

• Bioconjugation Chemistry
• Synthetic Organic Chemistry
• Chemical Biology

Background:

• Site-specific functionalization of peptides and proteins is crucial for therapeutic and biochemical research.
• The presence of diverse functional groups and the requirement for mild, aqueous conditions present significant synthetic challenges.
• Selenium's unique chemical properties, balancing toxicity and biological essentiality, offer new possibilities for selective modification.

Purpose of the Study:

• To review recent advances in using selenium chemistry for site-selective functionalization of peptides and proteins.
• To discuss various selenium-based chemical transformations, including metal-free, metal-catalyzed, and traceless methods.
• To evaluate the advantages, limitations, and applications of these selenium-mediated approaches and identify future research directions.

Main Methods:

• Exploration of metal-free selenium-based reactions for peptide and protein modification.
• Investigation of metal-catalyzed selenium transformations for enhanced selectivity and efficiency.
• Analysis of traceless chemical modifications utilizing selenium chemistry.

Main Results:

• Demonstration of selenium chemistry as a powerful tool for achieving site-selective functionalization under mild, aqueous conditions.
• Identification of diverse selenium-mediated reactions suitable for complex biomolecules.
• Compilation of current advantages, limitations, and practical applications of these synthetic strategies.

Conclusions:

• Selenium chemistry provides innovative solutions to the long-standing challenge of selective protein functionalization.
• The reviewed methods offer promising avenues for therapeutic development and biochemical research.
• Further research into selenium-based modifications holds significant potential for advancing chemical biology.