Anti-CHEK2 Antibody Picoband™

Product Name

Anti-CHEK2 Antibody Picoband™

View all Chk2 Antibodies

SKU/Catalog Number

A00277-2

Size

100 µg/vial

Form

Lyophilized

Description

Boster Bio Anti-CHEK2 Antibody Picoband™ catalog # A00277-2. Tested in ELISA, IF, ICC, WB applications. This antibody reacts with Human.

Storage & Handling

At -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freezing and thawing.

Cite This Product

Anti-CHEK2 Antibody Picoband™ (Boster Biological Technology, Pleasanton CA, USA, Catalog # A00277-2)

Host

Rabbit

Contents

Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.

Clonality

Polyclonal

Isotype

Rabbit IgG

Immunogen

E.coli-derived human CHEK2 recombinant protein (Position: M1-R474).

*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.

Cross-reactivity

No cross-reactivity with other proteins.

Reactive Species

A00277-2 is reactive to CHEK2 in Human

Applications

A00277-2 is guaranteed for ELISA, IF, ICC, WB Boster Guarantee

Observed Molecular Weight

62 kDa

Calculated molecular weight

60.915kDa

Background of Chk2

CHK2, a protein kinase that is activated in response to DNA damage, is involved in cell cycle arrest. Mapped on 22q12.1, CHK2 has a potential regulatory region rich in SQ and TQ amino acid pairs. It regulates BRCA1 function after DNA damage by phosphorylating serine-988 of BRCA1. Additionally, CHK2 can be modified by phosphorylation and activated in response to ionizing radiation, and can be also modified in response to hydroxyurea treatment. Furthermore, oligomerization of CHEK2 increases the efficiency of transautophosphorylation, resulting in the release of active CHEK2 monomers that proceed to enforce checkpoint control in irradiated cells. Moreover, CHK2 is a tumor suppressor gene conferring predisposition to sarcoma, breast cancer, and brain tumors, and that their observations provided a link between the central role of p53 inactivation in human cancer and the well-defined G2 checkpoint in yeast. There is a wide expression of small amounts of CHK2 mRNA with larger amounts in human testis, spleen, colon, and peripheral blood leukocytes.

Antibody Validation

Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.

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Reconsitution

Adding 0.2 ml of distilled water will yield a concentration of 500 µg/ml.

Assay Dilutions Recommendation

The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.

Western blot, 0.25-0.5 µg/ml, Human
Immunocytochemistry/Immunofluorescence, 5 µg/ml, Human
Direct ELISA, 0.1-0.5 µg/ml, Human

Validation Images & Assay Conditions

Click image to see more details

Figure 1. Western blot analysis of CHEK2 using anti-CHEK2 antibody (A00277-2).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.
Lane 1: human Hela whole cell lysates,
Lane 2: human MCF-7 whole cell lysates,
Lane 3: human 293T whole cell lysates.
After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-CHEK2 antigen affinity purified polyclonal antibody (Catalog # A00277-2) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for CHEK2 at approximately 62 kDa. The expected band size for CHEK2 is at 61 kDa.

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Figure 2. IF analysis of CHEK2 using anti-CHEK2 antibody (A00277-2) and anti-Beta Tubulin antibody (M01857-3).
CHEK2 was detected in immunocytochemical section of A549 cell. Enzyme antigen retrieval was performed using IHC enzyme antigen retrieval reagent (AR0022) for 15 mins. The cells were blocked with 10% goat serum. And then incubated with 5 μg/mL rabbit anti-CHEK2 Antibody (A00277-2) and mouse anti-Beta Tubulin antibody (M01857-3) overnight at 4°C. Cy3 Conjugated Goat Anti-Rabbit IgG (BA1032) and DyLight®488 Conjugated Goat Anti-Mouse IgG (BA1126) were used as secondary antibody at 1:500 dilution and incubated for 30 minutes at 37°C. Visualize using a fluorescence microscope and filter sets appropriate for the label used.

Gene/Protein Information For CHEK2 (Source: Uniprot.org, NCBI)

Alternative Names

CDS1; CHEK2; CHK2 checkpoint homolog (S. pombe); Chk2; EC 2.7.11; EC 2.7.11.1; HuCds1; LFS2; PP1425; Rad53; S.pombe) homolog CHEK2 CDS1, CHK2, HuCds1, LFS2, PP1425, RAD53, hCds1 checkpoint kinase 2 serine/threonine-protein kinase Chk2|CHK2 checkpoint homolog|cds1 homolog|checkpoint-like protein CHK2

For more info on CHEK2, check out the CHEK2 Infographic

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In this infographic, you will see the following information for CHEK2: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact [email protected].

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