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RB1

Retinoblastoma-associated protein is a protein in humans that is encoded by RB1 gene. Key regulator of entry into cell division that acts as a tumor suppressor. Promotes G0-G1 transition when phosphorylated by CDK3/cyclin-C. Acts as a transcription repressor of E2F1 target genes. The underphosphorylated, active form of RB1 interacts with E2F1 and represses its transcription activity, leading to cell cycle arrest. 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 SUV39H1, KMT5B and KMT5C, leading to epigenetic transcriptional repression. Controls histone H4 'Lys-20' trimethylation. Inhibits the intrinsic kinase activity of TAF1.

RB1 Antibodies

RB1 for Homo sapiens (Human)

RB1 Proteins

RB1 Proteins for Mus musculus (Mouse)

RB1 Proteins for Rattus norvegicus (Rat)

RB1 Proteins for Homo sapiens (Human)

RB1 Proteins for Cocos nucifera (Coconut)

RB1 Proteins for Gallus gallus (Chicken)

RB1 Proteins for Nicotiana tabacum (Common tobacco)



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