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	<title>Sequencing of Difficult template - Revision history</title>
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	<updated>2026-10-18T10:16:35Z</updated>
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	<entry>
		<id>https://eln.excellgen.com/index.php?title=Sequencing_of_Difficult_template&amp;diff=18181&amp;oldid=prev</id>
		<title>Crm at 14:41, 8 June 2018</title>
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		<updated>2018-06-08T14:41:34Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;For constructs cloned into vectors such as pT7A3, pT7A30&lt;br /&gt;
&lt;br /&gt;
== Protocol 1 ==&lt;br /&gt;
&lt;br /&gt;
1. Transfer &amp;gt;270 ng plasmid solution to a microcentrifuge tube or PCR Tube.&lt;br /&gt;
&lt;br /&gt;
2. Evaporate H2O to almost dryness.&lt;br /&gt;
&lt;br /&gt;
3. Add 4 ul of [[PCR_Enhancer_Mix|5X PCR Enhancer Mix.]] by pipetting.&lt;br /&gt;
&lt;br /&gt;
4. Add 1.5 ul 10 uM sequencing primer, pT7A3-seq-F.&lt;br /&gt;
&lt;br /&gt;
== Protocol 2 ==&lt;br /&gt;
&lt;br /&gt;
1. Grow E coli in 15 ~30&amp;amp;nbsp; ml&amp;amp;nbsp; of 2XYT or SB medium containing antibiotics, e.g., K,&amp;amp;nbsp; at 37 oC o/n, in a shaker incubator.&lt;br /&gt;
&lt;br /&gt;
2. Spin down cells&lt;br /&gt;
&lt;br /&gt;
3. Pour off medium&lt;br /&gt;
&lt;br /&gt;
4. Add 0.5 ml P1, suspend cells&lt;br /&gt;
&lt;br /&gt;
5. Add 0.5 ml P2, mix well&lt;br /&gt;
&lt;br /&gt;
6, Add 0.7 ml N3, votex&lt;br /&gt;
&lt;br /&gt;
7. Transfer to 2 ml tube, spin 2 X 2.5 min at 13000 rpm&lt;br /&gt;
&lt;br /&gt;
8. Transfer supernatant to a spin column&lt;br /&gt;
&lt;br /&gt;
9. Wash with 0.5 ml PB, then 0.75ml PE&lt;br /&gt;
&lt;br /&gt;
10. Spin 1 min&lt;br /&gt;
&lt;br /&gt;
11. Elute DNA with &amp;lt;span style=&amp;quot;color:#FF0000;&amp;quot;&amp;gt;20 ul &amp;lt;/span&amp;gt;EB into a new tube&lt;br /&gt;
&lt;br /&gt;
12. Elute DNA with another 50 ul EB into another tube.&lt;br /&gt;
&lt;br /&gt;
13. Measure DNA concentration with nanodrop&lt;br /&gt;
&lt;br /&gt;
14. If DNA concentration is less than 250 ng/ul, concentrate the DNA solution by heating on 50 oC block for 30 min.&lt;br /&gt;
&lt;br /&gt;
15. Add &amp;lt;span style=&amp;quot;color:#FF0000;&amp;quot;&amp;gt;2 ul of 250 ng/ul &amp;lt;/span&amp;gt;DNA to PCR tube, Add &amp;lt;span style=&amp;quot;color:#FF0000;&amp;quot;&amp;gt;4 ul [[PCR_Enhancer_Mix|5 X PCR enhancer mix]]&amp;lt;/span&amp;gt;[[PCR_Enhancer_Mix|,]] &amp;lt;span style=&amp;quot;color:#FF0000;&amp;quot;&amp;gt;1.5 ul 10 uM sequencing primer&amp;lt;/span&amp;gt;.&amp;amp;nbsp;&lt;br /&gt;
&lt;br /&gt;
For pT7A3 or pT7A30 vectors: use &amp;lt;span style=&amp;quot;color:#FF0000;&amp;quot;&amp;gt;pT7A3-seq-F&amp;lt;/span&amp;gt; sequencing primer&lt;br /&gt;
&lt;br /&gt;
16. Order sequencing on genewiz.com, use premix.&amp;amp;nbsp;&amp;lt;span style=&amp;quot;color:#FF0000;&amp;quot;&amp;gt;Do not&amp;lt;/span&amp;gt; use difficult template because it costs $8&lt;br /&gt;
[[Category:Protocols]]&lt;/div&gt;</summary>
		<author><name>Crm</name></author>
	</entry>
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