@article {5603,
	title = {Gene 4 helicase of bacteriophage T7 mediates strand transfer through pyrimidine dimers, mismatches, and nonhomologous regions},
	year = {1997},
	pages = {2987-2992},
	doi = {10.1073/pnas.94.7.2987},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/9096333},
	author = {Daochun Kong and Jack D. Griffith and Charles C. Richardson}
}
