The lowest energy structures of scRpn1 T1 (blue):K48-linked diubiquitin in the contracted binding mode. Orange or yellow coloring are used for the distal or proximal moiety of K48-linked diubiquitin.(PDB: 2n3w) (Shi, Y. et al. Science. 2016 351(6275).
![The lowest energy structures of scRpn1 T1 (blue):K48-linked diubiquitin in the contracted binding mode.](/sites/default/files/styles/wysiwyg_original/public/para-images/structure_9.jpg?itok=s3pxIIpy)