Simplified methods for large scale enzymatic synthesis of oligoribonucleotides
- 1 January 1978
- journal article
- Published by Oxford University Press (OUP) in Nucleic Acids Research
- Vol. 5 (7) , 2297-2311
- https://doi.org/10.1093/nar/5.7.2297
Abstract
We report simplified methods for large scale enzymatic synthesis of oligoribonucleotides using polynucleotide phosphorylase. The main features of the method are use of RPC-5 chromatography, including chromatography at two pH values to deal with the problem of primer phosphorolysis, rapid dialysis for large scale desalting, simplified methods for enzyme removal, and high resolution 1H and 31P NMR for product identification and demonstration of purity. The capacity of the method is adequate to allow beginning with grams of material in the first polymerization step, so that product yields of several milligrams, sufficient for many physical studies, are possible after as many as three separate polymerization reactions.Keywords
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