Найдено научных статей и публикаций: 1, для научной тематики: Shannon-Weaver informational entropy
1.
Nekrasov A.N.
- Journal of Biomolecular Structure & Dynamics Volume 20, Issue Number 1, (2002) , 2002
Several classifications of protein spatial structures and their structural elements are known.
This makes revealing of the relation between these structural elements and sequence fragments
rather topical. The most important move in this direction would be the determination
of positional sensitivity ...
Several classifications of protein spatial structures and their structural elements are known.
This makes revealing of the relation between these structural elements and sequence fragments
rather topical. The most important move in this direction would be the determination
of positional sensitivity levels and ranges between the residues in protein sequences. In this
work the Shannon-Weaver informational entropy was used as a disorder criterion for solving
this problem. This entropy was computed as function of the distance between the amino
acid residues in different sets of unhomological protein sequences. Similarity of this function
for different sets of protein sequences was shown. Analysis of informational entropy
allows detecting a long-range positional correlation (≥30) between the amino acid residues
and oscillations with periods of 3.6 and 2.9. These oscillation periods correspond to periodicity of α- and 3/10-helices.
Journal of Biomolecular Structure & Dynamics Volume 20, Issue Number 1, (2002)