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描述的DsrK和DsrO Allochromatium vinosum使用氨基酸序列和其他变形菌门

文摘

硫代谢是已知的最古老的一氧化还原地球化学循环在我们的环境中。一个操纵子参与这个过程称为域的操纵子。操纵子是参与环境的平衡和利用硫化合物。中央的球员之一的操纵子DsrMKJOP复杂。DsrO是周质的蛋白质和结合菲斯集群DsrP主要负责电子转移。可以参与电子转移从DsrP DsrP DsrM。DsrK DsrM将捐出电子,这种复杂的催化亚基。在目前的研究中,我们试图分析的可能的分子细节DsrO和DsrK蛋白质从一组不同的微生物物种只使用他们的序列信息。有一些变异出现在蛋白质的守恒的域。这些突变带来一些额外的功能蛋白质。 Sequences of the DsrO and DsrK proteins from different proteobacterial species have been analyzed to study the effects of mutations in the sequences and a phylogenetic relationship between the organisms has been drawn. We analyzed the secondary structural patterns of the DsrK and DsrO proteins also. There are no previous reports that deal with the bioinformatic analysis of the DsrO and DsrK protein. This is so far the first report of its kind. Our study would therefore pave the pathway to future genetic and mutational studies using DsrK and DsrO proteins that would lead to illumination of the biochemical mechanism of sulphur metabolism.

Semanti Ghosh和巴格奇Angshuman

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