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Title: Comparative modelling of tetramanganese cluster of Chaetosphaeridium globosum
Authors: Rath, L S
Raval, M K
Keywords: Photosystem II;D1 protein;Water oxidizing complex;Tetra manganese complex;Comparative modeling;Chaetosphaeridium globosum;Thermosynechococcus vulcanus
Issue Date: Oct-2004
Publisher: NISCAIR-CSIR, India
IPC Code: C 07 K 14/405
Abstract: The D1 protein of photosystem II (PS II) complex of a micro-alga Chaetosphaeridium globosum has been theoretically modelled from its sequence using comparative modeling with known backbone structure of D1 protein from bacterium Thermosynechococcus vulcanus as template. The model is built with missing loops and all side chains, which are not resolved in the structure of the template. The structure of the tetramanganese cluster (TMC) and the ligand forming side chains have been subjected to modeling studies in order to gather more information useful to understanding of the water splitting reactions. Earlier models of TMC have been scrutinized and an insight into the manganese coordination sphere has been provided.
Page(s): 258-262
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJBB Vol.41(5) [October 2004]

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