Overexpression, purification, crystallization and data collection of 3-methylaspartase from Clostridium tetanomorphum.

Abstract

3-Methylaspartase (E.C. 4.3.1.2) catalyses the reversible anti elimination of ammonia from L-threo-(2S,3S)-3-methylaspartic acid to give mesaconic acid as well as a slower syn elimination from the (2S,3R)-epimer, L-erythro-3-methylaspartic acid. The anti-elimination reaction occurs in the second step of the catabolic pathway for glutamic acid in Clostridium… (More)

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