中文名称:己糖激酶
其他名称:己糖磷酸激酶;HK
纯度:BR,~500u/mg
包装:10KU
cas.no:9001-51-8
价格:2500元
保存:-20℃
产品信息: 英文名称:HK;Hexokinase from Saccharomyces cerevisiae;ATP:D-Hexose-6-phosphotransferase;Hexokinase 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:7.5~9.0性状: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:生化研究。为催化己糖6位上由ATP使之产生磷酸化反应的酶。对α-D葡萄糖的亲和性很高(Km=1×10-5M),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℃