Stereoselectivity of the interactions of thioglucoside glucohydrolase and epithiospecifier protein from various sources |
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| Affiliation: | 1. Department of Biomedical Engineering, National University of Singapore, Singapore;2. Centre for Computational Biology, Duke-NUS Medical School, Singapore;3. Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore |
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| Abstract: | (S)-2-Hydroxy-3-butenylglucosinolate (epi-progoitrin) was converted to erythro- and threo-1-cyamo-2-hydroxy-3,4-epithiobutanes by combinations of thioglucoside glucohydrolase and epithiospecifier protein (ESP) from various sources. In all combinations studied the erythro/threo product ratio was about 1.4, except when the thioglucoside glucohydrolase was from Sinapis alba L. and the ESP from Brassica campestris in which case the ratio was about 1.8. |
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