Kalchman MA, Graham RK, Xia G, Koide HB, Hodgson JG, Graham KC, Goldberg YP, Gietz RD, Pickart CM, Hayden MR (Sep 1996). "Huntingtin is ubiquitinated and interacts with a specific ubiquitin-conjugating enzyme". J Biol Chem. 271 (32): 19385–94. doi:10.1074/jbc.271.32.19385. PMID8702625.
Christensen DE, Brzovic PS, Klevit RE (Oct 2007). "E2-BRCA1 RING interactions dictate synthesis of mono- or specific polyubiquitin chain linkages". Nat Struct Mol Biol. 14 (10): 941–8. doi:10.1038/nsmb1295. PMID17873885.
Kalchman MA, Graham RK, Xia G, Koide HB, Hodgson JG, Graham KC, Goldberg YP, Gietz RD, Pickart CM, Hayden MR (Sep 1996). "Huntingtin is ubiquitinated and interacts with a specific ubiquitin-conjugating enzyme". J Biol Chem. 271 (32): 19385–94. doi:10.1074/jbc.271.32.19385. PMID8702625.
Christensen DE, Brzovic PS, Klevit RE (Oct 2007). "E2-BRCA1 RING interactions dictate synthesis of mono- or specific polyubiquitin chain linkages". Nat Struct Mol Biol. 14 (10): 941–8. doi:10.1038/nsmb1295. PMID17873885.