Molecular Basis for the Association of Human E4B U Box Ubiquitin Ligase with E2-Conjugating Enzymes UbcH5c and Ubc4.
Benirschke, R.C., Thompson, J.R., Nomine, Y., Wasielewski, E., Juranic, N., Macura, S., Hatakeyama, S., Nakayama, K.I., Botuyan, M.V., Mer, G.(2010) Structure 18: 955-965
- PubMed: 20696396 
- DOI: 10.1016/j.str.2010.04.017
- Primary Citation of Related Structures:  
2KRE, 3L1X, 3L1Y, 3L1Z - PubMed Abstract: 
Human E4B, also called UFD2a, is a U box-containing protein that functions as an E3 ubiquitin ligase and an E4 polyubiquitin chain elongation factor. E4B is thought to participate in the proteasomal degradation of misfolded or damaged proteins through association with chaperones ...