生化试剂

己糖激酶 9001-51-8

己糖激酶 9001-51-8

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[产品编号] QCRM1019
[CAS号] 9001-51-8
[规格] BR,~500u/mg
[包装] 500U/1KU/2.5KU/10KU
[价格] 170元/250元/450元/1250元
[到货期] 现货

 

英文名称:HKHexokinase from Saccharomyces cerevisiaeATP:D-Hexose-6-phosphotransferaseHexokinase from yeast 
其他名称:己糖磷酸激酶
CAS号:9001-51-8
级别:BR
分子量:~ 54 kDa (monomer)~110 kDa (dimer)
活力:~ 500 units/mg protein
活力定义:One unit will phosphorylate 1.0 μmole of D-glucose per min at pH 7.6 at 25℃ 
Optimal pH
7.59.0
性状(以下信息仅供参考):白色粉末。酿酒酵母提取。催化剂(Activators):Hexokinase requires Mg2+ ions (KM = 2.6 mM) for activity. Hexokinase is activated by catecholamines and related compounds;抑制剂(Inhibitors):sorbose-1-phosphate, polyphosphates, 6-deoxy-6-fluoroglucose, 2-C-hydroxy-methylglucose, xylose, lyxose, and thiol reactive compounds (Hg2+ and 4-chloromercuribenzoate)
用途:本品仅供科研,不得用于其它用途。(以下用途仅供参考)为催化己糖6位上由ATP使之产生磷酸化反应的酶。对αD葡萄糖的亲和性很高(Km=1×105M),对其他的己糖也可进行磷酸化。此反应的平衡向右偏移。△G°’=4.0千卡。该酶可被Mg2  K 所活化,但可被HS试剂阻抑。
保存:-20℃