D 2008

Fast Method for Computation of Channels in Dynamic Proteins

ZEMEK, Michal, Jiří SKÁLA, Ivana KOLINGEROVÁ, Petr MEDEK, Jiří SOCHOR et. al.

Basic information

Original name

Fast Method for Computation of Channels in Dynamic Proteins

Name in Czech

Rychlý výpočet tunelů v dynamických proteinech

Authors

ZEMEK, Michal (203 Czech Republic), Jiří SKÁLA (203 Czech Republic), Ivana KOLINGEROVÁ (203 Czech Republic), Petr MEDEK (203 Czech Republic, belonging to the institution) and Jiří SOCHOR (203 Czech Republic, guarantor, belonging to the institution)

Edition

1. vyd. Heidelberg, Germany, Vision, Modeling and Visualization 2008, Proceedings, p. 333-342, 10 pp. 2008

Publisher

Akademische Verlagsgesselschaft AKA, Heidelberg

Other information

Language

English

Type of outcome

Stať ve sborníku

Field of Study

10201 Computer sciences, information science, bioinformatics

Country of publisher

Germany

Confidentiality degree

není předmětem státního či obchodního tajemství

Publication form

printed version "print"

References:

RIV identification code

RIV/00216224:14330/08:00025169

Organization unit

Faculty of Informatics

ISBN

978-3-89838-609-8

Keywords in English

protein analysis; channel; visualization

Tags

International impact, Reviewed
Změněno: 21/9/2015 18:37, prof. Ing. Jiří Sochor, CSc.

Abstract

V originále

Biochemists studying the protein properties use a computer analysis of existence and proportions of the tunnels (cavities), leading from a biochemically significant place inside a protein to its surface. In a computer simulation and visualization, a tunnel in a protein can be searched as a sequence of tetrahedra in the 3D triangulation, where the protein atoms positions are used as the triangulation vertices. The geometry of a protein is not static, the positions of atoms change in time and the biochemists have to explore a long sequence of molecule snapshots to find a stable tunnel. The recent method of a tunnel computation creates a triangulation of the whole protein for each snapshot. The method we propose uses topology information about a tunnel from the previous snapshot and a clustering of atoms to cut down the number of the triangulation vertices in the current snapshot, i.e. we compute only a triangulation of an atom subset for each snapshot. Our resulting tunnels are almost identical with the tunnels computed in the triangulation of the whole protein and the total computing time falls to thirty percent and less.

In Czech

Biochemists studying the protein properties use a computer analysis of existence and proportions of the tunnels (cavities), leading from a biochemically significant place inside a protein to its surface. In a computer simulation and visualization, a tunnel in a protein can be searched as a sequence of tetrahedra in the 3D triangulation, where the protein atoms positions are used as the triangulation vertices. The geometry of a protein is not static, the positions of atoms change in time and the biochemists have to explore a long sequence of molecule snapshots to find a stable tunnel. The recent method of a tunnel computation creates a triangulation of the whole protein for each snapshot. The method we propose uses topology information about a tunnel from the previous snapshot and a clustering of atoms to cut down the number of the triangulation vertices in the current snapshot, i.e. we compute only a triangulation of an atom subset for each snapshot. Our resulting tunnels are almost identical with the tunnels computed in the triangulation of the whole protein and the total computing time falls to thirty percent and less.

Links

GA201/07/0927, research and development project
Name: Vizualizace proteinových struktur
Investor: Czech Science Foundation, Visualization of protein structures