Keywords: Tetraubiquitin-K48-3ALB.png en A cartoon representation of a lysine 48-linked tetraubiquitin molecule The four ubiquitin chains are shown as cartoons with each chain labelled The components of the linkage are indicated and shown as sticks Image was created using http //pymol sourceforge net PyMOL from PDB id http //www rcsb org/pdb/explore/explore do structureId 3ALB 3ALB 2013-01-13 20 00 34 own Takuma-sa cc-zero Uploaded with UploadWizard Post-translational modifications Proteins Ubiquitin |