User Tools

Site Tools


purification:tev:s_protocol

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
purification:tev:s_protocol [2016/07/13 15:34] bonnefonpurification:tev:s_protocol [2023/11/01 20:19] (current) – external edit 127.0.0.1
Line 2: Line 2:
  
 **j-1**  **j-1** 
-  * Transform BL21/LysS strain on KanR with optimized TEV plasmid (stockpBS2440).+  * Transform BL21/LysS strain on KanR with optimized TEV plasmid (stock pBS2440).
  
 **j**  **j** 
-  * Inoculate 25 ml medium A with one colony at the end of the afternoon.+  * Inoculate 25 ml medium A((LB, Cm 25 μg/ml, Kan 10 μg/ml)) with one colony at the end of the afternoon.
   * Grow at 37°C.   * Grow at 37°C.
  
Line 18: Line 18:
  
 **j+2**  **j+2** 
-  * Resuspend pellet in Buffer 1.  +  * Resuspend pellet in Buffer 1((20 mM Tris-HCl pH 8.0, 10 mM imidazole, 200 mM Nacl, 2 mM β-ME, 0.2% NP40))  
-  * Adjust to 20 ml with buffer 1.+  * Adjust to 20 ml with Buffer 1.
   * Pass through French-Press 2 times.   * Pass through French-Press 2 times.
   * Spin down with ss34 12,000 rpm for 30 min.   * Spin down with ss34 12,000 rpm for 30 min.
Line 25: Line 25:
   * Rotate 1h at 4°C.    * Rotate 1h at 4°C. 
   * Transfer in an Econo-column (Biorad).   * Transfer in an Econo-column (Biorad).
-  * Wash with 15ml buffer 1. +  * Wash with 15ml Buffer 1. 
-  * Wash with 5 ml buffer 2. +  * Wash with 5 ml Buffer 2((20 mM Tris-HCl pH 8.0, 10 mM imidazole, 1 M NaCl, 2 mM β-ME, 0.2% NP40)) 
-  * wash with 10 ml buffer 1. +  * wash with 10 ml Buffer 1. 
-  * Elute with 4x0.5 ml buffer 3 in 0.5 ml glycerol tube (50% glycerol final).+  * Elute with 4x0.5 ml Buffer 3((20 mM Tris-HCl pH 8.0, 200 mM imidazole, 200 mM NaCl, 2 mM β-ME, 0.2% NP40)) in 0.5 ml glycerol tube (50% glycerol final).
   * store at -80°C.   * store at -80°C.
  
purification/tev/s_protocol.1468424062.txt.gz · Last modified: (external edit)