[Ligase joining of oligodeoxynucleotides on a oligodeoxynucleotide analog matrix containing P-S-C(5')-internucleotide bonds].

  • 1 June 1989
    • journal article
    • abstracts
    • Vol. 15  (6) , 796-9
Abstract
Joining of oligodeoxynucleotides by T4 polynucleotide ligase on an oligodeoxynucleotide template analogue having P--S--C(5') internucleotide bonds was investigated. The enzyme did ligate the oligodeoxynucleotides but with an extremely low rate. The major product of the enzymatic reaction proved to be the adenylylated intermediate of the 5'-phosphorylated oligodeoxynucleotide, the product of the second stage of the overall ligation reaction. It is noteworthy that this intermediate is not accumulated in ligase reactions under standard conditions when DNA templates rather than template analogues were used.

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