RB1 Antibody | CSB-PA019386ESR2HU

RB1 Antibody | CSB-PA019386ESR2HU | Cusabio

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Product Type: Polyclonal Antibody

Target Names: RB1

Aliases: Retinoblastoma-associated protein (p105-Rb) (pRb) (Rb) (pp110), RB1

Background: 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, SUV420H1 and SUV420H2, leading to epigenetic transcriptional repression. Controls histone H4 'Lys-20' trimethylation. Inhibits the intrinsic kinase activity of TAF1. Mediates transcriptional repression by SMARCA4/BRG1 by recruiting a histone deacetylase (HDAC) complex to the c-FOS promoter. In resting neurons, transcription of the c-FOS promoter is inhibited by BRG1-dependent recruitment of a phospho-RB1-HDAC1 repressor complex. Upon calcium influx, RB1 is dephosphorylated by calcineurin, which leads to release of the repressor complex (By similarity) . In case of viral infections, interactions with SV40 large T antigen, HPV E7 protein or adenovirus E1A protein induce the disassembly of RB1-E2F1 complex thereby disrupting RB1's activity.

Isotype: IgG

Conjugate: Non-conjugated

Clonality: Polyclonal

Uniport ID: P06400

Host Species: Rabbit

Species Reactivity: Human

Immunogen: Recombinant Human Retinoblastoma-associated protein (649-928AA)

Immunogen Species: Human

Applications: ELISA, IHC

Tested Applications: ELISA, IHC; Recommended dilution: IHC:1:20-1:200

Purification Method: Antigen Affinity Purified

Dilution Ratio1: ELISA:1:2000-1:10000

Dilution Ratio2: IHC:1:20-1:200

Dilution Ratio3:

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Buffer: PBS with 0.02% sodium azide, 50% glycerol, pH7.3.

Form: Liquid

Storage: Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.

Initial Research Areas: Cell Biology

Research Areas: Epigenetics & Nuclear Signaling;Cancer;Cell biology