Abstract
Ammonium ions stimulated the formation of the phi diameter 29 protein p3-dAMP initiation complex by decreasing the Km value for dATP in a purified system containing the viral terminal protein p3, the viral DNA polymerase p2, and the phi 29 DNA-protein p3 complex as a template. In addition, NH4+ ions stimulated the amount of p3-dAMP complex elongation and increased by about twofold the rate of elongation. The stimulatory effect of NH4+ ions on in vitro phi 29 DNA replication is probably related to the formation of a stable complex between the terminal protein and the DNA polymerase, which was detected only in the presence of NH4+ ions.
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CITATION STYLE
Blanco, L., Prieto, I., Gutiérrez, J., Bernad, A., Lázaro, J. M., Hermoso, J. M., & Salas, M. (1987). Effect of NH4+ ions on phi 29 DNA-protein p3 replication: formation of a complex between the terminal protein and the DNA polymerase. Journal of Virology, 61(12), 3983–3991. https://doi.org/10.1128/jvi.61.12.3983-3991.1987
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