Summary

Name RBL2
Full Name Retinoblastoma-like protein 2
Synonyms 130 kDa retinoblastoma-associated protein, p130, Retinoblastoma-related protein 2, RBR-2, pRb2 | RB2
Primary ID Q08999
Links - -
Type protein
Relations 27
Function Key regulator of entry into cell division. Directly involved in heterochromatin formation by maintaining overall chromatin structure and, in particular, that of constitutive heterochromatin by stabilizing histone methylation. Recruits and targets histone methyltransferases KMT5B and KMT5C, leading to epigenetic transcriptional repression. Controls histone H4 'Lys-20' trimethylation. Probably acts as a transcription repressor by recruiting chromatin-modifying enzymes to promoters. Potent inhibitor of E2F-mediated trans-activation, associates preferentially with E2F5. Binds to cyclins A and E. Binds to and may be involved in the transforming capacity of the adenovirus E1A protein. May act as a tumor suppressor.

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Modifications Tables

Relations

Regulator Mechanism target score
+ img/unknown.png phosphorylation RBL2 0.667
Publications: 3 Organism: Homo Sapiens
+ img/unknown.png phosphorylation RBL2 0.844
Publications: 12 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png phosphorylation RBL2 0.844
Publications: 2 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png dephosphorylation RBL2 0.564
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png transcriptional regulation RBL2 0.295
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/indirect-activation.png Cell_cycle_block 0.7
Publications: 1 Organism: Mus Musculus
+ down-regulates quantity by destabilization img/direct_inhibition.png polyubiquitination RBL2 0.547
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by repression img/indirect_inhibition.png transcriptional regulation RBL2 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/indirect_inhibition.png Cell_cycle_progress 0.7
Publications: 1 Organism: Mus Musculus
+ up-regulates quantity img/direct-activation.png transcriptional regulation RBL2 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by repression img/indirect_inhibition.png transcriptional regulation RBL2 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding RAD50 0.309
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity img/indirect_inhibition.png transcriptional regulation MYOD1 0.379
Publications: 1 Organism: Mus Musculus