Development of constant-pH simulation methods in implicit solvent and applications in biomolecular systems
Fernando Luís Barroso daSilva1,2,3, Luis Gustavo Dias4
1Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Av. do café, s/no. - Universidade de São Paulo, BR-14040-903, Ribeirão Preto, SP, Brazil. flbarroso@usp.br.
Biophysical Reviews
|September 19, 2017
Summary
This study reviews simplified Monte Carlo methods for simulating electrostatic phenomena in biomolecules, addressing computational challenges. These techniques offer a practical approach to understanding complex biological systems involving pH and charge interactions.
Area of Science:
- Biophysics
- Computational Chemistry
- Biochemistry
Background:
- pH is crucial for biological systems, influencing electrostatic charges and phenomena.
- Simulating these electrostatic interactions in biomacromolecules is computationally intensive due to numerous factors like ionizable sites and conformations.
Purpose of the Study:
- To review simplified Monte Carlo sampling methods for simulating electrostatic phenomena in biomolecules.
- To highlight the current state-of-the-art, advantages, and limitations of theoretical protocols for proteins and nucleic acids.
Main Methods:
- Review of simplified methods based on Monte Carlo sampling.
- Historical perspective and discussion of theoretical protocols.
Main Results:
- Simplified methods offer a computationally feasible alternative to quantum methods for complex biomolecular systems.
- The review covers applications in protein-protein interactions, polyelectrolytes, and nanoparticle interactions.
Conclusions:
- Monte Carlo methods are essential for studying pH-dependent electrostatic phenomena in biological systems.
- Understanding these interactions is key for applications ranging from protein function to nanomaterial design.
Keywords:
Electrostatics interactionsMonte Carlo simulationsProtein titrationRNA titrationTanford and Kirkwood modelpH effectsMore Related Videos
Related Concept Videos
Chemical Shift: Internal References and Solvent Effects
1.4K
In an NMR sample, precise measurement of the absolute absorption frequencies of nuclei is difficult. A standard internal reference compound is added, and the frequency difference between the reference signal and sample signals is measured.
The internal reference compound generally used in NMR spectroscopy is tetramethylsilane (TMS). TMS is preferred because it is chemically inert, soluble in NMR solvents, and easily removable. Also, the highly shielded methyl protons in TMS yield an intense...
The internal reference compound generally used in NMR spectroscopy is tetramethylsilane (TMS). TMS is preferred because it is chemically inert, soluble in NMR solvents, and easily removable. Also, the highly shielded methyl protons in TMS yield an intense...
1.4K
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
361
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
361


