Evolutionary Relationships of CSN and Lid Subunits (RPN) from Selected Organisms.
Numbers above the branches indicate support values. The GenBank accession numbers for the proteins listed are given in the supplemental data online. at, Arabidopsis thaliana; ce, Caenorhabditis elegans; dm, Drosophila melanogaster; hs, Homo sapiens; sc, Saccharomyces cerevisiae; sp, Schizosaccharomyces pombe.