Summary

Name TRIM63
Full Name E3 ubiquitin-protein ligase TRIM63
Synonyms Iris RING finger protein, Muscle-specific RING finger protein 1, MuRF-1, MuRF1, RING finger protein 28, Striated muscle RING zinc finger protein, Tripartite motif-containing protein 63 | IRF, MURF1, RNF28, SMRZ
Primary ID Q969Q1
Links - -
Type protein
Relations 17
Pathways Myofiber: Glucocorticoid-induced atrophy, Myofiber: IL6 and atrophy, Satellite: IGF1R
Function E3 ubiquitin ligase. Mediates the ubiquitination and subsequent proteasomal degradation of CKM, GMEB1 and HIBADH. Regulates the proteasomal degradation of muscle proteins under amino acid starvation, where muscle protein is catabolized to provide other organs with amino acids. Inhibits de novo skeletal muscle protein synthesis under amino acid starvation. Regulates proteasomal degradation of cardiac troponin I/TNNI3 and probably of other sarcomeric-associated proteins. May play a role in striated muscle atrophy and hypertrophy by regulating an anti-hypertrophic PKC-mediated signaling pathway. May regulate the organization of myofibrils through TTN in muscle cells.

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Modifications Tables

Relations

Regulator Mechanism target score
+ down-regulates quantity by destabilization img/direct_inhibition.png polyubiquitination PSMD4 0.415
Publications: 4 Organism: In Vitro
+ down-regulates quantity by destabilization img/direct_inhibition.png polyubiquitination TNNI1 0.369
Publications: 1 Organism: In Vitro
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation TRIM63 0.43
Publications: 1 Organism: Homo Sapiens
Tissue: Muscle
Pathways:IGF and Myogenesis
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation TRIM63 0.339
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/indirect-activation.png Muscle_atrophy 0.7
Publications: 1 Organism: Mus Musculus
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation TRIM63 0.421
Publications: 2 Organism: Homo Sapiens, Mus Musculus
Pathways:IGF and Myogenesis
+ up-regulates activity img/direct-activation.png ubiquitination TRIM63 0.513
Publications: 1 Organism: In Vitro
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation TRIM63 0.2
Publications: 2 Organism: Homo Sapiens, Mus Musculus
Tissue: Muscle
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation TRIM63 0.277
Publications: 1 Organism: Homo Sapiens
Tissue: Muscle
+ up-regulates activity img/indirect-activation.png transcriptional regulation TRIM63 0.2
Publications: 1 Organism: Mus Musculus
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation TRIM63 0.35
Publications: 1 Organism: Homo Sapiens
Tissue: Muscle
+ up-regulates activity img/direct-activation.png ubiquitination TRIM63 0.2
Publications: 1 Organism: Homo Sapiens