CAS:2593805,丁酰*酯酶,BCHE,BUCHE
英文名稱:BCHE;BuCHE ;Cholinesterase,butyryl(Horse serum) ;Acylcholine acyl-hydrolase;Choline esterase, butyryl;Pseudocholinesterase
CAS號(hào):9001-08-5
分子量:~440000
級(jí)別:BR
活力:≥4units/mg
產(chǎn)品描述:It catalyzes the hydrolysis of a number of choline esters according to the following reaction:Acylcholine+H2O to choline+acid.It is a tetrameric glycoprotein with four subunits of equal size,each having a molecular weight of 110KDa.Butyryl cholinesterase hydrolyzes butyrylcholine four times more rapidly than acetylcholine.It is inhibited by 10-5 M physostigmine,numerous organophosphate esters,the carbamate derivates and quaternary ammonium saltsunit hydrolyzes 1umole of acetylchoine per minute at 25℃, pH7.4
性狀:淡褐色粉末。*酯酶有2種:AChE和丁酰*酯酶(BuChE)。兩者的基因結(jié)構(gòu)、氨基酸序列及空間三維結(jié)構(gòu)均顯示了很高的同源性。二者的主要差異在于,AChE水解乙酰*(ACh)和乙酰硫代*(ATCh)比丙酰*(PrCh)快,對(duì)丁酰*(BuCh)和丁酰硫代*(BuTCh)沒有明顯的水解作用。丁酰*酯酶與乙酰*酯酶的顯色反應(yīng)原理是*一樣的。丁酰*酯酶具有靈敏度更高的優(yōu)點(diǎn)
用途:生化研究。是一類糖蛋白,水解乙酸*。是生物神經(jīng)傳導(dǎo)中的一種關(guān)鍵性酶,同時(shí)又是有機(jī)磷和氨基甲酸酯殺蟲劑的靶標(biāo)。這種酶是對(duì)付神經(jīng)毒氣彈的強(qiáng)力解毒,可以使包含有神經(jīng)毒劑、殺蟲劑和化學(xué)熔劑的有機(jī)磷酸酯中性化,從而不受神經(jīng)毒劑的侵?jǐn)_
保存:2~8℃
CAS:2593805,丁酰*酯酶,BCHE,BUCHE 質(zhì)量品牌保證,價(jià)格公正,傾力為國(guó)內(nèi)國(guó)外生命科學(xué)研究人員提供*的產(chǎn)品。咨詢!
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