Replication past the N5-methyl-formamidopyrimidine lesion of deoxyguanosine by DNA polymerases and an improved procedure for sequence analysis of in vitro bypass products by mass spectrometry.

@article{Christov2009ReplicationPT,
  title={Replication past the N5-methyl-formamidopyrimidine lesion of deoxyguanosine by DNA polymerases and an improved procedure for sequence analysis of in vitro bypass products by mass spectrometry.},
  author={Plamen P. Christov and K. Juliet Catherine Angel and F Peter Guengerich and Carmelo J. Rizzo},
  journal={Chemical research in toxicology},
  year={2009},
  volume={22 6},
  pages={1086-95}
}
Oligonucleotides containing a site-specific N(6)-(2-deoxy-d-erythro-pentofuranosyl)-2,6-diamino-3,4-dihydro-4-oxo-5-N-methylformamidopyrimidine (MeFapy-dGuo) lesion were synthesized, and their in vitro replication by Escherichia coli DNA polymerase I Klenow fragment (exo(-)) and Sulfolobus solfataricus P2 DNA polymerase IV (Dpo4) resulted in the misincorporation of Ade, Gua, and Thy opposite the MeFapy-dGuo lesion in addition to the correct insertion of Cyt. However, sequencing of the full… CONTINUE READING

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