Turning Oligos into Linkers
- dilute
oligos to 1mg/ml in dH2O
- 2.5mg oligos (each) into 100ml 1x kinase buffer with 1mM ATP
oligo 1 2.5ml (1mg/ml)
oligo 2 –2.5ml (1mg/ml)
10x kinase buffer—10ml
10mM ATP—10ml
H2O—75ml
- add 1ml T4 polymerase kinase (10unuits) and
incubate 1 hour at 37 C
- add 3ml 0.1M EDTA, 1ml 20x SSC, heat to 65 C (to kill kinase)
- Incubate
at 65C for 10-20 minutes. Turn off water bath until RT.
(alternatively, reaction mixture—100C on heat block –turn
off –until 10C below Tm)