P21 Antibody Cocktail
This mAb recognizes a 21kDa protein, identified as the p21WAF1 tumor suppressor protein. This mAb is highly specific to p21 and shows no cross-reaction with other closely related mitotic inhibitors. p21WAF1 is a specific inhibitor of cdk's and a tumor suppressor involved in the pathogenesis of a variety of malignancies. The expression of this gene acts as an inhibitor of the cell cycle during G1 phase and is tightly controlled by the tumor suppressor protein p53. Its expression is induced by the wild type, but not mutant, p53 suppressor protein. Normal cells generally display a rather intense nuclear p21 expression. Loss of p21 expression has been reported in many carcinomas (gastric carcinoma, non-small cell lung carcinoma, thyroid carcinoma) .
Product Specifications
CAS Number
9007-83-4
Specifications
Western blot: 1-2 µg/mL, Immunohistochemistry (FFPE) : 2-4 µg/mL for 30 min at RT
UniProt
P38936
Host
Mouse
Reactivity
Human
Immunogen
Recombinant full-length human protein (CIP1/823 and DCS-60.2) was used as the immunogen for the p21 antibody cocktail.
Clonality
Monoclonal
Isotype
IgG2a κ
Clone
CIP1/823 + DCS-60.2
Applications
WB, IHC-P
Purity
Protein G affinity chromatography
Format
Purified
Buffer
0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide
Reconstitution
Store the p21 antibody cocktail at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).
Limitations
This p21 antibody cocktail is available for research use only.
Storage Conditions
Store the p21 antibody cocktail at 2-8°C (with azide) or aliquot and store at -20°C or colder (without azide) .
Formulation
0.2 mg/mL in 1X PBS with 0.1 mg/mL BSA (US sourced) and 0.05% sodium azide
Location
Nuclear
Image Legend
Western blot testing of human HeLa cell lysate with p21 antibody cocktail (clones CIP1/823 + DCS-60.2) .
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