4.3.1.2	L-erythro-3-methylaspartate	i.e. (2S,3R)-3-methylaspartate, slow syn elimination	
4.3.1.2	L-threo-3-methylaspartate	-	
4.3.1.2	L-threo-3-methylaspartate	the enzyme is part of a catabolic pathway for L-glutamate	
4.3.1.2	additional information	enzyme is involved in the catabolic pathway for glutamate	
4.3.1.2	additional information	enzyme is associated with an anaerobic degradation of the (S)-glutamic acid in obligat anaerobes	
4.3.1.2	additional information	ammonia is the natural nucleophile for the enzyme