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Cat. No.: RECJ-1k (for 1KU)
Cat. No.: RECJ-5k (for 5KU)
描述
RecJ核酸酶作用于單鏈DNA,沿5´→3´方向水解DNA,生成5’-磷酸的單鏈DNA和單核苷酸。細(xì)菌RecJ還具有水解5’-脫氧核糖磷酸(5’-deoxyribose phosphate)基團(tuán)的活性,促進(jìn)切除修復(fù)過程。當(dāng)?shù)孜餅?´端突出的22個(gè)核苷酸的雙鏈DNA時(shí),經(jīng)RecJ酶切后,可得到以下三種5´末端的DNA混合產(chǎn)物:5´平齊末端、5´突出末端(1-5個(gè)核苷酸)和5´凹陷末端(1-8個(gè)核苷酸)。RecJ水解單鏈DNA時(shí)無需ssDNA的5´末端磷酸化。
本公司生產(chǎn)的大腸桿菌RecJ nuclease是重組表達(dá)的麥芽糖結(jié)合蛋白(MBP)融合蛋白,并經(jīng)多步純化的重組酶。MBP標(biāo)簽增強(qiáng)了RecJ的溶解度,但對(duì)RecJ核酸酶活性沒有影響。
特點(diǎn)
適用范圍
保存條件
-20℃保存,避免反復(fù)凍融。
Only for research and not intended for treatment of humans or animals
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