- INTERACTIONS OF THIOGLUCOSIDE GLUCOHYDROLASE AND EPITHIOSPECIFIER PROTEIN OF CRUCIFEROUS PLANTS TO FORM 1-CYANOEPITHIOALKANES
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Allylglucosinolate is converted to 1-cyano-2,3-epithiopropane by interaction of the thioglucoside glucohydrolase and epithiospecifier protein from several genera: Brassica, Crambe, Armoracia and Sinapis.The interactions occur across genetic lines, indicating non-specific requirements for epithiospecifier protein and thioglucoside glucohydrolase.Key Word Index - Cruciferae; thioglucoside glucohydrolase; thioglucosidase; epithiospecifier protein; glucosinolate; 1-cyanoepithioalkanes; 1-cyano-2,3-epithiopropane.
- Petroski, Richard J.,Tookey, Harvey L.
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- INTERACTIONS OF A FUNGAL THIOGLUCOSIDE GLUCOHYDROLASE AND CRUCIFEROUS PLANT EPITHIOSPECIFIER PROTEIN TO FORM 1-CYANOEPITHIOALKANES: IMPLICATIONS OF AN ALLOSTERIC MECHANISM
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Allylglucosinolate is converted to 1-cyano-2,3-epithiopropane by interaction of the thioglucoside glucohydrolase from the fungus Aspergillus sydowi QM 31c and the epithiospecifier protein from Crambe abyssinica.The kinetic evidence presented supports the hypothesis that the epithiospecifier protein interacts with thioglucoside glucohydrolase in allosteric manner.Key Word Index - Crambe abyssinica; Cruciferae; Aspergillus sydowi; thioglucoside glucohydrolase; thioglucosidase; epithiospecifier protein; crucifer; glucosinolate; 1-cyanoepithioalkanes; 1-cyano-2,3-epithiopropane.
- Petroski, Richard J.,Kwolek, William F.
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p. 213 - 216
(2007/10/02)
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- THE INTRAMOLECULAR FORMATION OF EPITHIOALKANENITRILES FROM ALKENYLGLUCOSINOLATES BY CRAMBE ABYSSINICA SED FLOUR
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Enzymatic degradations of mixtures of potassium 3-butenylglucosinolate and allylglucosinolate by aqueous suspensions of Crambe abyssinica seed flour led to the formation of 4,5-epithiopentanenitrile and essentially unlabelled 3,4-epithiobutanenitrile.The formation of epithioalkanenitriles from alkenylglucosinolates is, therefore deduced to be an intramolecular process. -- Key Word Index - Crambe abyssinica; Cruciferae; allylglucosinolate; 3-butenylglucosinolate; 3,4-epithiobutanenitrile; 4,5-epithiopentanenitrile; sinigrin; episulphide; thiirane; biosynthesis.
- Brocker, Erich R.,Benn, M. H.
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p. 770 - 772
(2007/10/02)
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