Identification of Hammerhead Ribozymes in All Domains of Life Reveals Novel Structural Variations Perreault, Jonathan ; Weinberg, Zasha ; Roth, Adam ; Popescu, Olivia ; Chartrand, Pascal ; Ferbeyre, Gerardo ; Breaker, Ronald R. Abstract Publication: PLoS Computational Biology Pub Date: May 2011 DOI: 10.1371/journal.pcbi.1002031 Bibcode: 2011PLSCB...7E2031P