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(原核)可溶蛋白表達(dá)|實(shí)驗(yàn)技術(shù)服務(wù)

時(shí)間:2015/6/2閱讀:434
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關(guān)鍵詞:(原核)可溶蛋白表達(dá)|實(shí)驗(yàn)技術(shù)服務(wù)
簡(jiǎn)介:世界*品牌(原核)可溶蛋白表達(dá)|實(shí)驗(yàn)技術(shù)服務(wù)原裝,質(zhì)量保證,*,。
(原核)可溶蛋白表達(dá)|實(shí)驗(yàn)技術(shù)服務(wù)——pCzn1質(zhì)粒+Arctic Express宿主菌低溫表達(dá)體系,。
我們具備豐富的蛋白表達(dá)設(shè)計(jì)經(jīng)驗(yàn)及實(shí)驗(yàn)操作技巧,,承諾客戶不成功不收費(fèi),。在獲得重組蛋白產(chǎn)品的同時(shí),,我們也會(huì)提供相應(yīng)的原始數(shù)據(jù)和原始圖片,不需要再額外花費(fèi)精力重復(fù)實(shí)驗(yàn),。另一方面,,我們所有的實(shí)驗(yàn)數(shù)據(jù)真實(shí)可信,,我們提供原始的表達(dá)菌株和克隆質(zhì)粒,客戶可以依據(jù)我們的實(shí)驗(yàn)報(bào)告重復(fù)我們的實(shí)驗(yàn)結(jié)果,。
產(chǎn)品品牌:(原核)可溶蛋白表達(dá)|實(shí)驗(yàn)技術(shù)服務(wù)   http://www.,。。com/goodsid/fenleiyi/2868603/1.html
實(shí)驗(yàn)描述               
利用基因合成,、cDNA克隆,、反轉(zhuǎn)錄等方法,獲得目的基因,,將目的基因亞克隆至表達(dá)載體pSumo-Mut,,目的基因在N端融合Sumo標(biāo)簽蛋白,通過測(cè)序和酶切驗(yàn)證,,確證獲得亞克隆正確的表達(dá)質(zhì)粒,。
    利用構(gòu)建好的表達(dá)質(zhì)粒,轉(zhuǎn)化Arctic Express宿主菌,, 在11度低溫IPTG誘導(dǎo)條件下,,SDS-PAGE檢測(cè)目標(biāo)蛋白表達(dá)情況,確認(rèn)蛋白分布在上清或是沉淀中,。
    如果目標(biāo)蛋白產(chǎn)物分布與上清中,,通過Ni柱親和純化, 獲得目的蛋白,;如果目標(biāo)蛋白分布于沉淀中,,則通過包涵體梯度洗脫后,重溶獲得目標(biāo)蛋白,,必要的話,,重溶蛋白在進(jìn)一步通過親和純化提高純度。
    純化后的蛋白經(jīng)過Sumo蛋白酶酶切,,蛋白N端將會(huì)*裸露,,不留任何氨基酸殘基,酶切后的混合物經(jīng)Ni柱親和純化,,可以去除融合蛋白,、Sumo標(biāo)簽蛋白和Sumo蛋白酶,剩余的蛋白即為酶切后目的蛋白,。
服務(wù)內(nèi)容
針對(duì)客戶蛋白表達(dá)不理想的問題,,我公司根據(jù)客戶提供的基因序列對(duì)實(shí)驗(yàn)進(jìn)行整套優(yōu)化(基因設(shè)計(jì)、基因優(yōu)化,、基因合成,、亞克隆、蛋白表達(dá)條件優(yōu)化及可溶性測(cè)試、原核蛋白表達(dá)及檢測(cè)),,并提供給客戶實(shí)驗(yàn)中每個(gè)步驟詳細(xì)的實(shí)驗(yàn)報(bào)告,。
交付
實(shí)驗(yàn)各階段的實(shí)驗(yàn)評(píng)估報(bào)告(分為密碼子優(yōu)化報(bào)告、載體-宿主優(yōu)化報(bào)告,、表達(dá)條件優(yōu)化報(bào)告和蛋白可溶性評(píng)估)
如果客戶需要蛋白,,我們可提供:
>5mg 可溶性蛋白
蛋白純度>90%
融合標(biāo)簽蛋白

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