User:Tamra L. Fisher/Notebook/Research for Dr. Hartings/2012/01/23

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Split PCR for M103S Mutation

Using a modified version of 2-stage QuikChange the M103S mutation should be inserted into the plasmid which already has the M33S mutation.

Protocol

First Stage

1st stage
Tube sterile H2O Pfu Buffer M33S mutated hemoglobin For primer (M103S f) Rev primer (M103S r)dNTPs Pfu Turbo wax
(10X) (~10 ng/μL) (12.5 ng/μL) (12.5 ng/μL) (10 mM ea) (2.5 U/μL)
Experimental-forward 27 μL 5 μL 5 μL 10 μL 0 μL 2 μL 1 μL 50 μL
Experimental-reverse 27 μL 5 μL 5 μL 0 μL 10 μL 2 μL 1 μL 50 μL
(-) Control-forward 28 μL 5 μL 5 μL 10 μL 0 μL 2 μL 0 μL 50 μL
(-) Control-reverse 28 μL 5 μL 5 μL 0 μL 10 μL 2 μL 0 μL 50 μL
  • Combine all components of each mixture in sterile PCR tubes, except for Pfu Turbo and wax, mix well, but gently
  • Add Pfu Turbo and mix gently with pipet
  • Add wax on top of mixture and place on thermoclycler
  • 30" @ 95°C
  • Cycle through the following five times:
      1. 30" @ 95°C
      2. 1' @ 55°C
      3. 5' @ 68°C
  • Remove from thermocycler, and pipet wax off of each reaction mixture
  • Begin second stage

Second Stage

2nd stage
Tube 1st stage-forward 1st stage-reverse Pfu Turbo wax
(2.5 U/μL)
Experimental 25 μL 25 μL 1 μL 50 μL
(-) Control 25 μL 25 μL 0 μL 50 μL
  • Combine mixtures from first stage and mix together gently with pipet, then add Pfu Turbo and mix again gently with pipet
  • Add wax on top of mixture and place on thermoclycler
  • 30" @ 95°C
  • Cycle through the following 20 times:
      1. 30" @ 95°C
      2. 1' @ 55°C
      3. 5' @ 68°C
  • 15' @ 68°C
  • hold @ 4°C






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