posted on 2013-03-15, 09:36authored byRuben Ferreira, Roberto Artali, Adam Benoit, Raimundo Gargallo, Ramon Eritja, David M. Ferguson, Yuk Y. Sham, Stefania Mazzini
1 is shown in green stick and 2 in yellow stick. In DNA, the base pairs are shown using the ladder representation, with the backbones displayed as arrows.