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Role of water molecules and ion pairs in Dps and related ferritin-like structures

Ranjani, C Vasuki and Rangarajan, Sarani and Michael, Daliah and Sekar, K and Roy, S (2008) Role of water molecules and ion pairs in Dps and related ferritin-like structures. In: International Journal of Biological Macromolecules, 43 (4). pp. 333-338.

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Abstract

A comparative study of water molecules and ion pairs in 11 Dps protein structures has been carried out. The invariant and common water molecules, the conserved residues interacting with them and the conserved ion pairs have been analyzed. Certain water molecules found on the interfaces between subunits are highly conserved and may be implicated in flexibility or continuing association of the subunits of the structure. It is possible that the water molecules, ion pairs and the special case of a water mediated charged network through a single water molecule are involved in maintaining the stability of the protein.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Electrostatic interactions;Water mediated ion pairs; Protein stability.
Department/Centre: Division of Biological Sciences > Molecular Biophysics Unit
Division of Information Sciences > Supercomputer Education & Research Centre
Division of Physical & Mathematical Sciences > Physics
Date Deposited: 29 Oct 2009 09:09
Last Modified: 19 Sep 2010 04:57
URI: http://eprints.iisc.ernet.in/id/eprint/17543

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