Summary

Name MIB1
Full Name E3 ubiquitin-protein ligase MIB1
Synonyms DAPK-interacting protein 1, DIP-1, Mind bomb homolog 1, Zinc finger ZZ type with ankyrin repeat domain protein 2 | DIP1, KIAA1323, ZZANK2
Primary ID Q86YT6
Links - -
Type protein
Relations 13
Pathways NOTCH Signaling
Function E3 ubiquitin-protein ligase that mediates ubiquitination of Delta receptors, which act as ligands of Notch proteins. Positively regulates the Delta-mediated Notch signaling by ubiquitinating the intracellular domain of Delta, leading to endocytosis of Delta receptors. Probably mediates ubiquitination and subsequent proteasomal degradation of DAPK1, thereby antagonizing anti-apoptotic effects of DAPK1 to promote TNF-induced apoptosis (By similarity). Involved in ubiquitination of centriolar satellite CEP131, CEP290 and PCM1 proteins and hence inhibits primary cilium formation in proliferating cells. Mediates 'Lys-63'-linked polyubiquitination of TBK1, which probably participates in kinase activation.

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Relations

Regulator Mechanism target score
+ down-regulates quantity by destabilization img/direct_inhibition.png polyubiquitination DAPK1 0.449
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination, polyubiquitination SMN1 0.328
Publications: 2 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png ubiquitination DLL1 0.728
Publications: 1 Organism: Homo Sapiens
Pathways:NOTCH Signaling
+ up-regulates activity img/direct-activation.png ubiquitination DLL3 0.358
Publications: 1 Organism: Homo Sapiens
Pathways:NOTCH Signaling
+ down-regulates quantity by destabilization img/direct_inhibition.png polyubiquitination MIB1 0.2
Publications: 1 Organism: In Vitro
Pathways:NOTCH Signaling
+ down-regulates img/direct_inhibition.png ubiquitination PCM1 0.377
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png ubiquitination MIB1 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png ubiquitination DLL4 0.528
Publications: 1 Organism: Homo Sapiens
Pathways:NOTCH Signaling
+ down-regulates img/direct_inhibition.png ubiquitination CEP131 0.443
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png ubiquitination RYK 0.333
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png ubiquitination JAG1 0.676
Publications: 2 Organism: Homo Sapiens
Tissue: Skin
Pathways:NOTCH Signaling