4.3.1.2 16 - (2S,3S)-3-ethylaspartic acid pH 9, 70°C 729057 4.3.1.2 40 - (2S,3R)-3-methylaspartate 30°C, pH 9.0, at 1 mM K+ 650542 4.3.1.2 60 - mesaconate pH 9, 30°C, mutant L384A 729745 4.3.1.2 60 - mesaconate pH 9, 30°C, mutant Q172A 729745 4.3.1.2 60 - mesaconate pH 9, 30°C, mutant Y356A 729745