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Analysis of sequences and structures of the malate dehydrogenase isozyme |
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Abstract Malate dehydrogenase (MDH), an essential enzyme in many pathways, has been widely distributed from a variety of sources. Multiple amino acid sequence alignments are used to study the phylogenetic relationship of the MDHs from different sources, and show that there are three kinds of MDHs. Using technologies of bioinformatics, conserved structure and domains are analyzed, including coenzyme NAD (or NADP) bonding domain, active site signature and substrate bonding domain. The relationship between mechanism of catalysis and sequences, structures of MDH are also investigated. The application of bioinformatics in the research of MDH to redesign by rational was put forward.
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Received: 13 March 2006
Published: 15 June 2006
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