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Structure-function annotation and phylogenetic strategy of nifH domain of a cyanobacterium—Chlorogloeopsis sp.

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Title Structure-function annotation and phylogenetic strategy of nifH domain of a cyanobacterium—Chlorogloeopsis sp.
 
Creator Lakshmi, P T V
Maheswari, S Uma
Annamalai, A
 
Subject BLAST P
Cyanobacteria
Chlorogloeopsis
NifH domain
Phylogram
 
Description 46-52
Exploration of the available protein sequences of the Cyanobacterial genera Chlorogloeopsis of Stigonematales from the NCBI database to annotate structural and functional domains through BLOCKS SEARCHER and SWISS PDB VIEWER (SWISSMODEL) revealed eleven different important domains, of which nitrogen fixing domain showed high frequency of occurrence (18.18%), among the sequences explored. Therefore, it was particularly compared with other protein sequences available in the databases in order to obtain similarity and to evolve a phylogram. Similarity search for the NifH/frxC family sequence using BLAST P showed that it is similar to nitrogenase protein of the genera Mastigocladus, Nostoc, Anabaena and other uncultured cyanobacterium. Phylogenetic tree based on the similarities obtained from BLAST P indicates the evolutionary relationships.
 
Date 2009-02-04T07:17:16Z
2009-02-04T07:17:16Z
2009-01
 
Type Article
 
Identifier 0972-5849
http://hdl.handle.net/123456789/2951
 
Language en_US
 
Publisher CSIR
 
Source IJBT Vol.8(1) [January 2009]