Ubiquitination of NOTCH1 mediated by DTX-recruited beta-arrestins (ARRB) has not been directly studied in mammals. Non-visual beta arrestins ARRB1 and ARRB2 are known to facilitate ubiquitination and downregulation of GPCRs and IGF1R.
Mukherjee, A, Bauer, A, Veraksa, A, Rosse, C, Artavanis-Tsakonas, S, Camonis, J
ubiquitin-protein transferase activity of Ubiquitin ligase [cytosol]
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