Phospho Rb (Ser780) Rabbit Polyclonal Antibody
Specifications
| Product Data | |
| Application | ELISA, ICC, IHC, WB |
|---|---|
| Recommended Dilution | WB:1/500-2000 IHC:1/100-300 ICC/IF:1/200-1000 ELISA:1/10000 |
| Reactivity | Human, Mouse, Rat |
| Antibody Host | Rabbit |
| Isotype | IgG |
| Clonality | Polyclonal |
| Immunogen | The antiserum was produced against synthesized peptide derived from human Retinoblastoma around the phosphorylation site of Ser780. AA range:751-800 (Phosphorylated) |
| Buffer | Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide, pH 7.3. |
| Concentration | lot specific |
| Purification | Affinity Chromatography |
| Conjugation | Unconjugated |
| Storage | Store at 4°C short term. Aliquot and store at -20°C long term. Avoid freeze/thaw cycles. |
| Stability | 1 year |
| Shipping | Blue Ice |
| Predicted Protein Size | Observed MW (kDa):106 |
| Gene Name | RB transcriptional corepressor 1 |
| Database Link | |
| Background | Swiss-Prot Acc.P06400.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. 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 . |
| Synonyms | OSRC; osteosarcoma; p105-Rb; pp110; pRb; RB |
| Reference Data | |
| Protein Categories | ADC Targets, Cancer: Bladder, Cancer: Brain and CNS, Cancer: Gastrointestinal, Cancer: Haematopoietic and Lymphoid, Cancer: Lung, Cancer: Sarcoma, Growth Factors, Intracellular Proteins |
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