@article{tang2007calculation,
author = "C. L. Tang and E. Alexov and A. M. Pyle and B. Honig",
title = "Calculation of pKas in RNA: on the structural origins and functional roles of protonated nucleotides",
year = 2007,
journal = "Journal of molecular biology",
publisher = "Academic Press",
volume = 366,
number = 5,
pages = "1475-1496"
}