[求救] blunt-end DNA ligation
我是第一次使用DNA ligase IV做blunt-end DNA ligation實驗
最近做了很多次,但一直做不出來><
希望大家能幫我偵錯及給予一些建議!
我的實驗步驟如下:
1. 準備ligation buffer (50 mM Tris-HCl pH8.0, 10 mM DTT, 75 mM KCl, 10 mM MgCl
2, 1 mM ATP, 10% PEG10000)
2. 將Ku70/80及ligase IV/XRCC4加入ligation buffer後,置室溫15 min
3. 將p32-blunt-end DNA加入混合液中,置37度C反應1 hr
4. 加入stop loading buffer及95度C加熱5 min
5. Run 15% TBE-Urea gel, 然後壓片及顯影
謝謝大家!
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