<li>Zheng, F., Georgescu, R.E., Yao, N.Y. et al. <strong>DNA is loaded through the 9-1-1 DNA checkpoint clamp in the opposite direction of the PCNA clamp</strong>. <em>Nat Struct Mol Biol</em>, 2022 DOI: <a href="http://dx.doi.org/10.1038/s41594-022-00742-6" rel="nofollow" target="_blank">10.1038/s41594-022-00742-6</a>
</li>