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Cystathionine γ-synthase (MetB) condenses O-acetyl-l-homoserine (OAHS) or O-succinyl-l-homoserine (OSHS) with cysteine to produce cystathionine. To investigate the molecular mechanisms and substrate specificity of MetB from Corynebacterium glutamicum (CgMetB), we determined its crystal structure at
Cystathionine gamma-synthase, the enzyme catalysing the first reaction specific for methionine biosynthesis, has been cloned from Nicotiana tabacum, overexpressed in Escherichia coli and purified to homogeneity. The recombinant cystathionine gamma-synthase catalyses the pyridoxal 5'-phosphate
Cystathionine gamma-synthase catalyses the committed step of de novo methionine biosynthesis in micro-organisms and plants, making the enzyme an attractive target for the design of new antibiotics and herbicides. The crystal structure of cystathionine gamma-synthase from Nicotiana tabacum has been