Recombinant mouse monoclonal [rCIP1/6907] antibody to p21.
Specificity
This antibody recognizes a 21kDa protein, identified as the p21WAF1 tumor suppressor protein. This antibody 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).
Applications
IHC-P
Dilutions
IHC-P: 1-2 µg/ml
Reactivity
Human
Immunogen
Recombinant fragment, around amino acids 1-100, of human p21 protein. The exact sequence is proprietary.
Host
Mouse
Clonality
Monoclonal
Clone ID
rCIP1/6907
Isotype
IgG1
Light Chains
kappa
Conjugate
Unconjugated
Purification
Protein A/G chromatography.
Concentration
200 µg/ml
Molecular Weight
21 kDa
Product Form
Liquid
Formulation
Supplied in 10mM Phosphate Buffered Saline with 0.05% BSA and 0.05% Sodium Azide.
Storage
Shipped at 4°C. Upon delivery aliquot and store at -20°C. Avoid freeze / thaw cycles.
Negative Tissue Control: Immunohistochemical analysis of formalin-fixed, paraffin-embedded human brain using Anti-p21 Antibody [rCIP1/6907] at 2µg/ml in PBS for 30 minutes at room temperature.
SDS-PAGE analysis of Anti-p21 Antibody [rCIP1/6907] under non-reduced and reduced conditions; showing intact IgG and intact heavy and light chains, respectively. SDS-PAGE analysis confirms the integrity and purity of the antibody.
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