troubleshooting + ligation

Anajli Thomas via (by anjalirthomas from
Wed Nov 21 00:21:04 EST 2007

      I have been trying to clone a 1.5 kb insert to pEGFP c1 vector. The
restriction enzymes used were EcoR1 and Kpn1. I have tried ligation thrice
and still no colonies. JM109 was used for transformation.

The restriction enzymes were added together for cutting the insert from T
vector (primary clone). For ligation I added 5 ul of insert and 2ul of

Could you help me out with this problem


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