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The stability of polypurine tetraplexes in the presence of mono- and divalent cations.
As with other guanine-rich sequences, poly[d(GGA)], poly[d(GA)] and poly[d(GAA)] probably form four-stranded or tetraplex structures. Thermal denaturation profiles were measured for these polymers at pH8 in the presence of Na+, NH4+, K+, Cs+, Mg2+, Ca2+ and Ba2+. For poly[d(GA)], Na+, NH4+, K+ stabi...
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| Main Author: | |
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| Format: | Artigo |
| Language: | Inglês |
| Published: |
1990
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| Online Access: | https://ncbi.nlm.nih.gov/pmc/articles/PMC332405/ https://ncbi.nlm.nih.gov/pubmed/2235488 |
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