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. 1995 Jul 25;23(14):2641-7.
doi: 10.1093/nar/23.14.2641.

Solid phase synthesis of 5'-diphosphorylated oligoribonucleotides and their conversion to capped m7Gppp-oligoribonucleotides for use as primers for influenza A virus RNA polymerase in vitro

G G Brownlee  1 , E Fodor, D C Pritlove, K G Gould, J J Dalluge
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Free PMC article

Solid phase synthesis of 5'-diphosphorylated oligoribonucleotides and their conversion to capped m7Gppp-oligoribonucleotides for use as primers for influenza A virus RNA polymerase in vitro

G G Brownlee et al. Nucleic Acids Res. .
Free PMC article

Abstract

We have synthesized four different 5'-diphosphorylated oligoribonucleotides, varying in length from 11 to 13 nucleotides by a new solid phase method. After deprotection and partial purification the 5'-diphosphorylated oligoribonucleotides could be converted to capped (m7Gppp) oligoribonucleotides using guanylyl transferase. Radiolabelled capped oligoribonucleotides acted as primers for the influenza A virus RNA polymerase in vitro. The solid phase method described here should also allow the addition of 5'-diphosphates to synthetic oligodeoxyribonucleotides and be capable automation.

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