Malate synthase G (MSG), monomeric enzyme present in some bacteria. In general, malate synthase catalyzes the Claisen condensation of glyoxylate and acetyl-CoA to malyl-CoA , which hydrolyzes to malate and CoA. This reaction is part of the glyoxylate cycle, which allows certain organisms to derive their carbon requirements from two-carbon compounds, by bypassing the two carboxylation steps of the citric acid cycle.
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