Unremitting progresses for phosphoprotein synthesis.

Area of Science:

• Biochemistry
• Molecular Biology
• Chemical Biology

Background:

• Protein phosphorylation is a key post-translational modification regulating essential cellular processes.
• Site-specific and homogeneous phosphoproteins are valuable tools for studying phosphorylation networks and developing therapeutics.
• Traditional methods for phosphoprotein generation face limitations in chemical synthesis and protein expression.

Purpose of the Study:

• To review recent advancements in phosphoprotein synthesis strategies.
• To highlight methods enabling the biofunctional exploration of protein phosphorylation.
• To provide an overview of emerging techniques in the field.

Main Methods:

• Synthesis of nonhydrolyzable phosphorylated amino acid mimetic building blocks.
• Chemical total and semisynthesis approaches for phosphoprotein generation.
• In-cell and in vitro genetic code expansion techniques.
• Late-stage modification strategies for introducing phosphorylation.
• Nonoxygen phosphoprotein synthesis methods.

Main Results:

• Significant progress has been made in phosphoprotein synthesis over the last decade.
• Diverse strategies now exist for creating homogeneous and site-specific phosphoproteins.
• These advancements facilitate deeper understanding and manipulation of protein phosphorylation.

Conclusions:

• Recent breakthroughs in phosphoprotein synthesis have overcome previous limitations.
• The reviewed methods offer powerful tools for advancing research in protein phosphorylation.
• These developments pave the way for novel therapeutic applications and biological insights.