Developments in describing equilibrium phase transitions of multivalent associative macromolecules

Area of Science:

• Biochemistry
• Cell Biology
• Biophysics

Background:

• Biomolecular condensates are dynamic cellular structures crucial for organizing cellular processes.
• Their formation and dissolution are driven by phase transitions of multivalent macromolecules.
• Understanding these transitions is key to comprehending cellular organization.

Purpose of the Study:

• To summarize the current state-of-the-art in theories and computations for modeling biomolecular condensates.
• To focus on sequence-specific, thermodynamically controlled phase transitions.
• To elucidate coupled associative and segregative transitions in multivalent macromolecules.

Main Methods:

• Review of existing theories and computational approaches.
• Analysis of models for sequence-specific phase transitions, particularly for intrinsically disordered proteins.
• Examination of phase separation, percolation, and gelation phenomena.

Main Results:

• Progress in modeling sequence-specific phase transitions of intrinsically disordered proteins is highlighted.
• Theories and computations for coupled associative and segregative transitions are discussed.
• The role of multivalent macromolecules in driving these transitions is emphasized.

Conclusions:

• The review provides a comprehensive overview of current understanding in the field.
• It identifies key theoretical and computational frameworks for studying biomolecular condensates.
• The findings contribute to a deeper understanding of cellular organization and function.