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    • 4. 发明授权
    • Enzymatic reactions in the presence of keto acids
    • 在酮酸存在下的酶反应
    • US08163871B2
    • 2012-04-24
    • US12284552
    • 2008-09-22
    • Angelo P. ConsalvoNozer M. MehtaWilliam SternJames P. Gilligan
    • Angelo P. ConsalvoNozer M. MehtaWilliam SternJames P. Gilligan
    • C07K7/00C12P13/00C12P21/06
    • C12Y114/17003C12P13/02C12P21/02C12Y403/02005
    • Conversion in vitro of X-Gly to X-alpha-hydroxy-Gly or X-NH2 (X being a peptide or any other compound having a carbonyl group capable of forming a covalent bond with glycine) is accomplished enzymatically in the presence of keto acids, or salts or esters thereof, to provide a good yield without the necessity of catalase or similar enzymatic reaction enhancers. Peptidylglycine α-amidating monooxygenase (PAM) is a preferred enzyme for catalyzing the conversion. Alternatively, peptidylglycine α-hydroxylating monooxygenase (PHM) is utilized to convert X-Gly to X-alpha-hydroxy-Gly which may be recovered, or optionally may be simultaneously or sequentially converted to an amide by either a Lewis base or action of the enzyme peptidyl α-hydroxyglycine α-amidating lyase (PAL). Both PHM and PAL are functional domains of PAM.
    • 将X-Gly体外转化为X-α-羟基-Gly或X-NH2(X为肽或具有能与甘氨酸形成共价键的羰基的任何其它化合物)在酮酸存在下酶促完成 ,或其盐或酯,以提供良好的产率而不需要过氧化氢酶或类似的酶促反应增强剂。 肽基甘氨酸α-酰胺化单加氧酶(PAM)是催化转化的优选酶。 或者,使用肽基甘氨酸α-羟化化单加氧酶(PHM)将X-Gly转化成可被回收的X-α-羟基-Gly,或任选地可以通过路易斯碱同时或依次转化为酰胺,或通过 酶肽β-羟基甘氨酸α-酰胺化裂解酶(PAL)。 PHM和PAL都是PAM的功能域。
    • 9. 发明授权
    • Enzymatic reactions in the presence of keto acids
    • 在酮酸存在下的酶反应
    • US07445911B2
    • 2008-11-04
    • US11285136
    • 2005-11-22
    • Angelo P. ConsalvoNozer M. MehtaWilliam SternJames P. Gilligan
    • Angelo P. ConsalvoNozer M. MehtaWilliam SternJames P. Gilligan
    • C12P21/06
    • C12Y114/17003C12P13/02C12P21/02C12Y403/02005
    • Conversion in vitro of X-Gly to X-alpha-hydroxy-Gly or X—NH2 (X being a peptide or any other compound having a carbonyl group capable of forming a covalent bond with glycine) is accomplished enzymatically in the presence of keto acids, or salts or esters thereof, to provide a good yield without the necessity of catalase or similar enzymatic reaction enhancers. Peptidylglycine α-amidating monooxygenase (PAM) is a preferred enzyme for catalyzing the conversion. Alternatively, peptidylglycine α-hydroxylating monooxygenase (PHM) is utilized to convert X-Gly to X-alpha-hydroxy-Gly which may be recovered, or optionally may be simultaneously or sequentially converted to an amide by either a Lewis base or action of the enzyme peptidyl α-hydroxyglycine α-amidating lyase (PAL). Both PHM and PAL are functional domains of PAM.
    • X-Gly转化为X-α-羟基-Gly或X-NH 2(X为肽或具有能够与甘氨酸形成共价键的羰基的任何其它化合物)为 在酮酸或其盐或酯的存在下酶促完成,以提供良好的产率而不需要过氧化氢酶或类似的酶促反应增强剂。 肽基甘氨酸α-酰胺化单加氧酶(PAM)是催化转化的优选酶。 或者,使用肽基甘氨酸α-羟化化单加氧酶(PHM)将X-Gly转化为可被回收的X-α-羟基-Gly,或任选地可以通过路易斯碱同时或顺序地转化为酰胺,或通过 酶肽肽α-羟基甘氨酸α-酰胺化裂解酶(PAL)。 PHM和PAL都是PAM的功能域。