UniprotKB/SwissProt ID: O70277 (O70277)
Gene Name:
Trim3
Organism: Rattus norvegicus (Rat)
Function: E3 ubiquitin ligase that plays essential roles in neuronal functions such as regulation of neuronal plasticity, learning, and memory (PubMed:20352094). In addition to its neuronal functions, participates in other biological processes such as innate immunity or cell cycle regulation. Component of the cytoskeleton-associated recycling or transport complex in neurons, polyubiquitinates gamma-actin, thus regulating neuronal plasticity, learning, and memory (By similarity). Ubiquitinates postsynaptic scaffold GKAP, a neuronal substrate involved in synaptic remodeling and thereby modulates dendritic spine morphology (PubMed:20352094). Positively regulates motility of microtubule-dependent motor protein KIF21B (By similarity). Induces growth arrest via its RING-dependent E3 ligase activity and ubiquinates CDKN1A. Positively regulates TLR3-mediated signaling by mediating 'Lys-63'-linked polyubiquitination of TLR3. In turn, promotes the recognition and sorting of polyubiquitinated TLR3 by the ESCRT complexes (By similarity)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Cytoplasm. Early endosome. Golgi apparatus, trans-Golgi network. Cell projection, dendrite
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