碳酸酐酶（牛紅血球）資料

【資料簡介】

英文名稱：Carbonic Anhydrase from bovine erythrocytes
其他名稱：碳酸脫水酶(牛紅血球)
CAS號：9001-03-0
級別：BR
活力：≥2500units/mg protein
活力定義：One Wilbur-Anderson (W-A) unit will cause the pH of a 0.02 M Trizma buffer to drop from 8.3 to 6.3 per min at 0°C. (One W-A unit is essentially equivalent to one Roughton-Booth unit.)
性狀(以下信息僅供參考)：灰褐色或類白色粉末。1940年發(fā)現(xiàn)的*個鋅酶，也是zui重要的鋅酶?，F(xiàn)已報道有80多種鋅酶，居各類金屬的*。碳酸酐酶是紅細胞的主要蛋白質(zhì)成分之一，在紅細胞中的地位僅次于血紅蛋白。含一條卷曲的蛋白質(zhì)鏈和一個鋅（Ⅱ）離子。分子量約為29000。鋅離子處于變形四面體的配位環(huán)境。催化的zui重要的反應(yīng)是二氧化碳（碳酸酐）可逆的水合作用，使它在生理pH值條件（pH值≌7）下很快進行。為催化H2CO3CO2＋H2O反應(yīng)的酶,酶加速二氧化碳水合的因子在10^7左右。
用途：本品僅供科研，不得用于其它用途。(以下用途僅供參考)碳酸酐酶是鋅蛋白質(zhì)（動物原性)，它在紅血球中具有對碳酸和重碳酸離子的迅速轉(zhuǎn)換的作用。
保存：2～8℃
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