We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleStructure and evolution of genes encoding polyubiquitin and ubiquitin-like proteins in Arabidopsis thaliana ecotype Columbia.AuthorsCallis J; Carpenter T; Sun CW; Vierstra RDPublicationGenetics, 1995, Vol 139, Issue 2, p921ISSN0016-6731Publication typearticleDOI10.1093/genetics/139.2.921