blunt ligation

Karl Fischer tyr-2 at
Sun Dec 8 11:52:44 EST 1996

In article <32AB60DB.7CF3 at>, "Chang,jihun"
<j6544 at> wrote:

> Dear bionetter.
> I'm trying to ligate Hind III-digested genomic DNA into SmaI-digested 
> pBluescript SK vector.
> but, final white transformants I got were so few.
> I want many white colonies.
> Please, give me your help.

Hind III digestion generates a 5' overhang while Sma I generates a blunt end.

The two are incompatable unless you blunt the Hind III ends with Klenow/dNTPs.


Karl the hepB guy

Karl Fischer
tyr-2 at

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