Physics – Condensed Matter
Scientific paper
2003-09-07
Physics
Condensed Matter
15 pages, 6 figures
Scientific paper
In the calculation of thermodynamic properties and three dimensional structures of macromolecules, such as proteins, it is important to have a good algorithm for computing solvent accessible surface area of macromolecules. Here we propose a new analytical method for this purpose. In the proposed algorithm, we consider the transformation which maps the spherical circles of intersection of atomic surfaces in three-dimensional space onto the circles on a two-dimensional plane and the problem of computing solvent accessible surface area is transformed into the problem of computing corresponding curve integrals on the plane. This allows to consider only integrals over the circular trajectories on the plane. The algorithm is suitable for parallelization. Testings on several small proteins have shown a high accuracy of the algorithm and a good performance.
Hayryan Edik
Hayryan Shura
Hu Chin-Kun
Pokorny Imrich
Skřivánek Jaroslav
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