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  • Title: Cloning and expression of the two genes coding for L-serine dehydratase from Peptostreptococcus asaccharolyticus: relationship of the iron-sulfur protein to both L-serine dehydratases from Escherichia coli.
    Author: Hofmeister AE, Textor S, Buckel W.
    Journal: J Bacteriol; 1997 Aug; 179(15):4937-41. PubMed ID: 9244285.
    Abstract:
    The structural genes sdhA and sdhB, coding for the alpha- and beta-subunits of the [4Fe-4S] cluster containing L-serine dehydratase from Peptostreptococcus asaccharolyticus, have been cloned and sequenced. Expression of modified sdhB together with sdhA in Escherichia coli led to overproduction of active His6-tagged L-serine dehydratase. E. coli MEW22, deficient in the L-serine dehydratase L-SD1, was complemented by this sdhBA construct. The derived amino acid sequence of SdhBA shares similarities with both monomeric L-serine dehydratases, L-SD1 and L-SD2, from E. coli and with a putative L-serine dehydratase from Haemophilus influenzae, which suggests that these three enzymes are also iron-sulfur proteins.
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