Summary

Name FBXO3
Full Name F-box only protein 3
Synonyms | FBX3
Primary ID Q9UK99
Links - -
Type protein
Relations 8
Function Substrate recognition component of the SCF (SKP1-CUL1-F-box protein)-type E3 ubiquitin ligase complex. Mediates the ubiquitination of HIPK2 and probably that of EP300, leading to rapid degradation by the proteasome. In the presence of PML, HIPK2 ubiquitination still occurs, but degradation is prevented. PML, HIPK2 and FBXO3 may act synergically to activate p53/TP53-dependent transactivation. {ECO:0000269|PubMed:18809579}.

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Relations

Regulator Mechanism target score
+ up-regulates activity img/direct-activation.png binding Cullin 1-RBX1-Skp1 0.476
Publications: 3 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png binding SQSTM1 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png binding SMURF1 0.4
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png binding HIPK2 0.414
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png binding EP300 0.347
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png binding FBXL2 0.566
Publications: 1 Organism: Homo Sapiens