E3 ubiquitin-protein ligase NEDD4-like - Q8CFI0 (NED4L_MOUSE)


Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for Q8CFI0: 3
E3 ubiquitin-protein ligase which accepts ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates. Inhibits TGF-beta signaling by triggering SMAD2 and TGFBR1 ubiquitination and proteasome-dependent degradation. Promotes ubiquitination and internalization of various plasma membrane channels such as ENaC, SCN2A/Nav1.2, SCN3A/Nav1.3, SCN5A/Nav1.5, SCN9A/Nav1.7, SCN10A/Nav1.8, KCNA3/Kv1.3, KCNH2, EAAT1, KCNQ2/Kv7.2, KCNQ3/Kv7.3 or CLC5. Promotes ubiquitination and degradation of SGK1 and TNK2. Ubiquitinates BRAT1 and this ubiquitination is enhanced in the presence of NDFIP1. Plays a role in dendrite formation by melanocytes (By similarity). Involved in the regulation of TOR signaling (By similarity). Ubiquitinates and regulates protein levels of NTRK1 once this one is activated by NGF. UniProt
Catalytic Activity
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [acceptor protein]-L-lysine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + N6-ubiquitinyl-[acceptor protein]-L-lysine. UniProt
Pathway Maps
      ESCHER  BiGG
Subunit Structure
Interacts with SMAD2, SMAD3, SMAD6 and SMAD7 (By similarity). Interacts with CLCN5 (By similarity). The phosphorylated form interacts with 14-3-3 proteins (By similarity). Interacts via its WW domains with SCNN1A, SCNN1B, SCNN1G, SCN1A, SCN2A, SCN3A, SCN5A, SCN8A, SCN9A and SCN10A (PubMed:11244092., PubMed:11742982, PubMed:12424229, PubMed:15123669). Interacts with NDFIP1 and NDFIP2; this interaction activates the E3 ubiquitin-protein ligase (PubMed:12050153). Interacts with TNK2 (By similarity). Interacts (via C2 domain) with NPC2 (By similarity). Interacts with ARRDC4 (By similarity). Interacts with KCNQ1; promotes internalization of KCNQ1 (By similarity). Interacts (via domains WW1, 3 and 4) with USP36; the interaction inhibits ubiquitination of, at least, NTRK1, KCNQ2 and KCNQ3 by NEDD4L. UniProt
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