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AB257215

Human RRM2B (p53R2) knockout HeLa cell lysate

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RRM2B KO cell lysate available now. KO validated by Western blot. Free of charge wild type control included. Knockout achieved by using CRISPR/Cas9, 1 bp deletion in exon 1 and Insertion of the selection cassette in exon 1.

View Alternative Names

DKFZp686M05248, MGC102856, MGC42116, MTDPS8A, MTDPS8B, P53 inducible ribonucleotide reductase small subunit 2 short form beta, RIR2B_HUMAN, RRM 2B, Ribonucleoside diphosphate reductase M2 subunit B, Ribonucleoside-diphosphate reductase subunit M2 B, Ribonucleotide reductase M2 B, Ribonucleotide reductase M2 B (TP53 inducible), Ribonucleotide reductase small subunit like 2 p53 inducible, TP53-inducible ribonucleotide reductase M2 B, p53 R2, p53 inducible ribonucleotide reductase small subunit 2 homolog, p53-inducible ribonucleotide reductase small subunit 2-like protein

3 Images
Western blot - Human RRM2B (p53R2) knockout HeLa cell lysate (AB257215)
  • WB

Lab

Western blot - Human RRM2B (p53R2) knockout HeLa cell lysate (AB257215)

Lane 1 : Wild-type HeLa cell lysate (40µg)

Lane 2 : RRM2B knockout HeLa cell lysate (40µg)

Lanes 1- 2 : Merged signal (red and green). Green - ab154194 observed at 40 kDa. Red - loading control ab7291 observed at 50 kDa.

ab154194 Rabbit monoclonal [EPR8816] to p53R2 was shown to specifically react with p53R2 in wild-type HeLa cells in western blot. Loss of signal was observed when knockout cell line ab261769 (knockout cell lysate ab257215) was used. Wild-type and p53R2 knockout samples were subjected to SDS-PAGE. Membrane was blocked for 1 hour at room temperature in 0.1% TBST with 3% non-fat dried milk. ab154194 and Anti-alpha Tubulin antibody [DM1A] - Loading Control (ab7291) were incubated overnight at 4°C at 1 in 1000 dilution and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

All lanes:

Western blot - Anti-p53R2 antibody [EPR8816] (<a href='/en-us/products/primary-antibodies/p53r2-antibody-epr8816-ab154194'>ab154194</a>) at 1/1000 dilution

Lane 1:

Wild-type HeLa cell lysate at 40 µg

Lane 2:

RRM2B knockout HeLa cell lysate at 40 µg

Lane 2:

Western blot - Human RRM2B (p53R2) knockout HeLa cell line (<a href='/en-us/products/cell-lines/human-rrm2b-p53r2-knockout-hela-cell-line-ab261769'>ab261769</a>)

Predicted band size: 40 kDa

Observed band size: 40 kDa

false

Sanger Sequencing - Human RRM2B (p53R2) knockout HeLa cell lysate (AB257215)
  • Sanger seq

Unknown

Sanger Sequencing - Human RRM2B (p53R2) knockout HeLa cell lysate (AB257215)

Allele-2 : Insertion of the selection cassette in exon 1

Sanger Sequencing - Human RRM2B (p53R2) knockout HeLa cell lysate (AB257215)
  • Sanger seq

Unknown

Sanger Sequencing - Human RRM2B (p53R2) knockout HeLa cell lysate (AB257215)

Allele-1 : 1 bp deletion in exon 1

Key facts

Cell type

HeLa

Species or organism

Human

Tissue

Cervix

Knockout validation

Sanger Sequencing,Western blot

Mutation description

Knockout achieved by using CRISPR/Cas9, 1 bp deletion in exon 1 and Insertion of the selection cassette in exon 1.

Disease

Adenocarcinoma

Reactivity data

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Product details

Knockout cell lysate achieved by CRISPR/Cas9.

REACH authorisation
Abcam has not and does not intend to apply for the REACH Authorisation of customers' uses of products that contain European Authorisation list (Annex XIV) substances.
It is the responsibility of our customers to check the necessity of application of REACH Authorisation, and any other relevant authorisations, for their intended uses.

Lysate preparation: Our lysates are made using RIPA buffer to which we add a protease inhibitor cocktail and phosphatase inhibitor cocktail (ratio: 300:100:10). This means that the protein of interest is denatured. If you require a native form of the protein please use the live cell version. Please refer to our lysis protocol for further details on how our lysates are prepared.

User storage instructions: Lyophilizate may be stored at 4°C. After reconstitution, store at -20°C for short-term storage or -80°C for long-term storage.

This product is subject to limited use licenses from The Broad Institute, ERS Genomics Limited and Sigma-Aldrich Co. LLC, and is developed with patented technology. For full details of the licenses and patents please refer to our limited use license and patent pages.

What's included?

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Properties and storage information

Gene name
RRM2B
Gene editing type
Knockout
Gene editing method
CRISPR technology
Knockout validation
Sanger Sequencing, Western blot
Shipped at conditions
Ambient - Can Ship with Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
-20°C

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

P53R2 also known as RRM2B is a ribonucleotide reductase subunit with a molecular mass of 41 kDa. This protein is primarily expressed in the cytoplasm and mitochondria of various cell types including liver and kidney tissues. Mechanically p53R2 functions by reducing ribonucleotides into deoxyribonucleotides which are necessary for DNA synthesis and repair. This process is important for maintaining genomic stability especially under conditions of cellular stress or damage.
Biological function summary

P53R2 plays a role in the synthesis of deoxyribonucleotide triphosphates (dNTPs) for DNA repair. It forms part of a ribonucleotide reductase complex working with other subunits to ensure cells have sufficient dNTP pools for DNA replication and repair. The presence of p53R2 is integral for DNA damage response pathways where it gets activated to supply dNTPs during periods when the p53 tumor suppressor pathway senses DNA damage and activates DNA repair processes.

Pathways

P53R2 is involved in DNA damage response and cell cycle regulation. It interacts with the tumor suppressor protein p53 especially during instances of genotoxic stress facilitating DNA repair and cell cycle arrest to prevent propagation of damaged DNA. Additionally p53R2 relates to proteins such as p21 which are components of the p53 pathway influencing cell cycle arrest and allowing time for DNA repair before cell division resumes.

Researchers link p53R2 to cancer and mitochondrial depletion syndrome. In cancer mutations or dysregulated expression of p53R2 can impair DNA repair leading to genomic instability and tumorigenesis. The protein associates with p53 in these processes and its dysfunction may contribute to cancer progression. Furthermore mutations in p53R2 have implications in mitochondrial depletion syndrome where reduced functionality can affect mitochondrial DNA maintenance and cellular energy metabolism.

Quality control

STR analysis

CSF1PO, D13S317, D7S820, D5S818, TH01, D16S539, TPOX

Cell culture

Biosafety level

EU: 2 US: 2

Adherent/suspension

Adherent

Gender

Female

Product protocols

Product promise

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