3.2.1.118 (R)-prunasin + H2O - Prunus dulcis D-glucose + mandelonitrile - ? 361130 3.2.1.118 (R)-prunasin + H2O - Prunus serotina D-glucose + mandelonitrile - ? 361130 3.2.1.118 (R)-prunasin + H2O - Prunus domestica D-glucose + mandelonitrile - ? 361130 3.2.1.118 (R)-prunasin + H2O slow reaction Penicillium aurantiogriseum D-glucose + mandelonitrile - ? 361130 3.2.1.118 (R)-prunasin + H2O slow reaction Mucor circinelloides D-glucose + mandelonitrile - ? 361130 3.2.1.118 (R)-prunasin + H2O in the sweet genotype Ramillete, amygdalin formation is prevented because the prunasin is degraded upon passage of the beta-glucosidase rich cell layer in the inner epidermis of the tegument Prunus dulcis D-glucose + mandelonitrile - ? 361130 3.2.1.118 (R)-prunasin + H2O the enzyme is involved in the metabolic pathway for the synthesis and catabolism of the cyanogenic glucoside prunasin Prunus dulcis D-glucose + mandelonitrile - ? 361130 3.2.1.118 (R)-prunasin + H2O - Prunus domestica mandelonitrile + D-glucose - ? 361150 3.2.1.118 (R)-prunasin + H2O - Penicillium aurantiogriseum mandelonitrile + D-glucose - ? 361150 3.2.1.118 (R)-prunasin + H2O - Mucor circinelloides mandelonitrile + D-glucose - ? 361150 3.2.1.118 (R)-prunasin + H2O involved in cyanogenesis from (R)-amygdalin Prunus serotina mandelonitrile + D-glucose - ? 361150 3.2.1.118 (S)-sambunigrin + H2O i.e. epimer of (R)-prunasin, poor substrate Prunus serotina D-glucose + mandelonitrile - ? 361142 3.2.1.118 2-nitrophenyl beta-D-glucopyranoside + H2O very effective substrate Prunus serotina 2-nitrophenol + D-glucose - ? 361144 3.2.1.118 4-nitrophenyl beta-D-galactopyranoside + H2O poor substrate Prunus serotina 4-nitrophenol + D-galactose - ? 361145 3.2.1.118 4-nitrophenyl beta-D-glucopyranoside + H2O - Prunus serotina 4-nitrophenol + D-glucose - ? 361143 3.2.1.118 6-bromo-2-naphthyl-beta-D-glucopyranoside + H2O - Prunus dulcis ? - ? 404058 3.2.1.118 additional information no substrates are (R)-amygdalin, linamarin, (neo)linustatin, 4-nitrophenyl-alpha-D-glucopyranoside, 4-nitrophenyl-beta-D-mannoside, 4-nitrophenyl-alpha-D-mannoside, 4-nitrophenyl-beta-D-xyloside and (S)-dhurrin Prunus serotina ? - ? 89 3.2.1.118 prunasin + H2O - Prunus dulcis D-mandelonitrile + beta-D-glucose - ? 94662 3.2.1.118 prunasin + H2O prunasin is taken up in the small intestine and decomposed by beta-glucosidase into glucose and mandelonitrile, which is further hydrolyzed to benzaldehyde and hydrogen cyanide. Amygdalin, the precursor of prunasin, is a toxic component and can cause fatal cyanide poisonings, chronic toxicity, and death Homo sapiens D-mandelonitrile + beta-D-glucose - ? 94662 3.2.1.118 prunasin + H2O substrate and product determination in the in vitro system by mass spectrometry, method, overview Homo sapiens D-mandelonitrile + beta-D-glucose - ? 94662 3.2.1.118 salicin + H2O very poor substrate Prunus serotina D-glucose + salicyl alcohol - ? 361146