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emily-lhy

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[求助] fermentas双酶切体系

The first digestion should be performed in 1X Tango buffer (low salt concentration buffer) with BcuI (SpeI). Incubate at 37°C for 1 hour.
When the first digestion is complete, add 10X concentrated Tango buffer (amount "V" to a final 2X concentration (high salt concentration buffer) and 2-fold excess of SalI.
        V=A/8,   A - the starting volume of the reaction mixture.
Incubate at 37°C for 1 hour.
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2楼2014-06-13 14:48:13
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3楼2014-06-13 15:03:15
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4楼2014-06-13 15:16:43
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Neo2000

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怎么你不知道他们家的快切酶都一个buffer的

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5楼2014-06-13 16:33:28
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393658000

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kx444555: 金币+3, 鼓励交流 2014-06-17 11:40:12
多简单,1Xtango 酶切SpeI,直到你确定这个酶酶切完全,然后80度煮灭活以后,再添加Tango至浓度为2Xtango,在加入SalI,因为SalI在2Xtango的体系里面活性不是100%(貌似是50-100),所以你的SalI要加倍,因此就要加入2X的SalI.
6楼2014-06-16 17:52:54
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