4.3.1.27: threo-3-hydroxy-D-aspartate ammonia-lyase
This is an abbreviated version!
For detailed information about threo-3-hydroxy-D-aspartate ammonia-lyase, go to the full flat file.
Reaction
Synonyms
D-THA DH, D-threo-3-hydroxyaspartate ammonia-lyase, D-threo-3-hydroxyaspartate dehydratase
ECTree
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Application
Application on EC 4.3.1.27 - threo-3-hydroxy-D-aspartate ammonia-lyase
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synthesis
optically pure synthesis of L-threo-3-hydroxyaspartate and D-threo-3-hydroxyaspartate, promising intermediates for the synthesis of beta-benzyloxyaspartate by using a purified enzyme as a biocatalyst for the resolution of racemic DL-threo-3-hydroxyaspartate and DL-erythro-3-hydroxyaspartate. Considering 50% of the theoretical maximum, efficient yields of L-threo-3-hydroxyaspartate (38.9 %) and D-erythro-3-hydroxyaspartate (48.9 %) as isolated crystals are achieved with more than 99 % enantiomeric excess