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RB1 Polyclonal antibody
RB1 Polyclonal Antibody for WB, IHC, IP, ELISA
Host / Isotype
Rabbit / IgG
Reactivity
human and More (1)
Applications
WB, IHC, IF, IP, CoIP, ELISA
Conjugate
Unconjugated
Cat no : 10048-2-Ig
Synonyms
Validation Data Gallery
Tested Applications
| Positive WB detected in | A431 cells, Calyculin A treated Jurkat cells, MCF-7 cells |
| Positive IP detected in | A431 cells |
| Positive IHC detected in | human intrahepatic cholangiocarcinoma tissue Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0 |
Recommended dilution
| Application | Dilution |
|---|---|
| Western Blot (WB) | WB : 1:5000-1:50000 |
| Immunoprecipitation (IP) | IP : 0.5-4.0 ug for 1.0-3.0 mg of total protein lysate |
| Immunohistochemistry (IHC) | IHC : 1:200-1:800 |
| It is recommended that this reagent should be titrated in each testing system to obtain optimal results. | |
| Sample-dependent, Check data in validation data gallery. | |
Published Applications
| KD/KO | See 4 publications below |
| WB | See 51 publications below |
| IHC | See 10 publications below |
| IF | See 4 publications below |
| IP | See 1 publications below |
| CoIP | See 1 publications below |
Product Information
10048-2-Ig targets RB1 in WB, IHC, IF, IP, CoIP, ELISA applications and shows reactivity with human samples.
| Tested Reactivity | human |
| Cited Reactivity | human, zebrafish |
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | RB1 fusion protein Ag0006 |
| Full Name | retinoblastoma 1 |
| Calculated Molecular Weight | 110 kDa |
| Observed Molecular Weight | 110 kDa |
| GenBank Accession Number | BC040540 |
| Gene Symbol | RB1 |
| Gene ID (NCBI) | 5925 |
| RRID | AB_2177320 |
| Conjugate | Unconjugated |
| Form | Liquid |
| Purification Method | Protein A purification |
| Storage Buffer | PBS with 0.02% sodium azide and 50% glycerol pH 7.3. |
| Storage Conditions | Store at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage. 20ul sizes contain 0.1% BSA. |
Background Information
RB1, also named as pp110, pRb and p105 Rb, belongs to the retinoblastoma protein (RB) family. It is a key regulator of entry into cell division that acts as a tumor suppressor. RB1 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. It is directly involved in heterochromatin formation by maintaining overall chromatin structure and, in particular, that of constitutive heterochromatin by stabilizing histone methylation. It recruits and targets histone methyltransferases SUV39H1, SUV420H1 and SUV420H2, leading to epigenetic transcriptional repression. RB1 controls histone H4 'Lys-20' trimethylation and inhibits the intrinsic kinase activity of TAF1. It 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. 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. This antibody is a rabbit polyclonal antibody raised against human RB1 fusion protein.
Protocols
| Product Specific Protocols | |
|---|---|
| WB protocol for RB1 antibody 10048-2-Ig | Download protocol |
| IHC protocol for RB1 antibody 10048-2-Ig | Download protocol |
| IP protocol for RB1 antibody 10048-2-Ig | Download protocol |
| Standard Protocols | |
|---|---|
| Click here to view our Standard Protocols |
Publications
| Species | Application | Title |
|---|---|---|
Nat Genet Zbtb7a suppresses prostate cancer through repression of a Sox9-dependent pathway for cellular senescence bypass and tumor invasion. | ||
Gastroenterology Intestinal PPARα Protects Against Colon Carcinogenesis via Regulation of Methyltransferases DNMT1 and PRMT6. | ||
J Clin Invest TALEN-mediated targeting of HPV oncogenes ameliorates HPV-related cervical malignancy. | ||
Nat Commun Targeting dual-specificity tyrosine phosphorylation-regulated kinase 2 with a highly selective inhibitor for the treatment of prostate cancer. | ||
Front Med Dronedarone inhibits the proliferation of esophageal squamous cell carcinoma through the CDK4/CDK6-RB1 axis in vitro and in vivo | ||
Theranostics Chlorogenic acid effectively treats cancers through induction of cancer cell differentiation. |
Reviews
The reviews below have been submitted by verified Proteintech customers who received an incentive for providing their feedback.
FH Georgina (Verified Customer) (07-04-2022) | This antibody gave some background staining, however the band of interest was clear.
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FH Kyle (Verified Customer) (12-04-2018) |
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