@article{article, title = {{The role of essential pyrimidines in the hairpin ribozyme-catalysed reaction.}}, url = {{}}, year = {{1999}}, month = {{5}}, author = {{Young KJ and Vyle JS and Pickering TJ and Cohen MA and Holmes SC and Merkel O and Grasby JA}}, doi = {{10.1006/jmbi.1999.2748}}, volume = {{288}}, journal = {{J Mol Biol}}, issue = {{5}}, pages = {{853-866}}, note = {{Accessed on 2025/05/26}}}