t.chappell at ucl.ac.uk
Wed Apr 1 18:54:16 EST 1998
In article <6fr3co$3c0$1 at info.abdn.ac.uk>, gen154 at sysa.abdn.ac.uk
>Could a PCR work if one of the primers has a 25 base pair homology to the
>template but a 40 mer random base tail extension at its terminus.
>University of Aberdeen
minor point, but a 40mer random tail is overkill if what you are looking
for is randomness. Calculate how many grams of oligo you need to have all
the possible random 40mers in the tube... 4 to the 40th is 2 to the 80th
is about 10 to the 24th...
I do random tail PCR's regularly. We use 18 bases of homology with a 20mer
MRC Laboratory for Molecular Cell Biology
University College London
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