DNA polymerase having ability to reduce innate selective discrimination against fluorescent dye-labeled dideoxynucleotides

   
   

The invention relates to genetic modification of DNA polymerase to reduce innate selective sequence-related discrimination against incorporation of fluorescent dye-labeled ddCTP and ddATP in the enzymatic reaction for preparation of samples for automated fluorescent dye-labeled terminator DNA sequencing. The modified DNA polymerases are more resistant to heat inactivation and are more effective in dideoxynucleotide incorporation than current DNA polymerases.

A invenção relaciona-se à modificação genetic do polymerase do DNA para reduzir a discriminação seqüência-relacionada seletiva innate de encontro à incorporação de ddCTP tinj-etiquetado fluorescente e de ddATP na reação enzymatic para a preparação das amostras para arranjar em seqüência tinj-etiquetado fluorescente automatizado do DNA do terminal. Os polymerases modificados do DNA são mais resistentes ao inactivation de calor e são mais eficazes na incorporação do dideoxynucleotide do que polymerases atuais do DNA.

 
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