p21 (G139) pAb

It is now well established that cyclins play a positive role in promoting cell cycle transitions via their ability to associate with and activate their cognate cyclin-dependent kinases (Cdks). Cdk2 associates with cyclins A, D and E, and has been implicated in the control of the G1 to S phase transition in mammals. A novel Cdk-interacting protein, designated p21, Cip1 or WAF1, has been identified in cyclin A, cyclin D1, cyclin E and Cdk2 immunoprecipitates. p21 is a potent, tight-binding inhibitor of Cdks and can inhibit the phosphorylation of Rb by cyclin A-Cdk 2, cyclin E-Cdk2, cyclin D1-Cdk4 and cyclin D2-Cdk4 complexes. Expression of p21 is inducible by wildtype, but not mutant, p53. The mouse homolog of p21 is designated CAP20.

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SPECIFICATIONS

Catalog Number

BS1269

Size

100ug/100ul

Applications

WB

Hosts

Rabbit

Reactivities

Hum, Mouse, Rat

Form

liquid

Purity

The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen and the purity is > 95% (by SDS-PAGE).

Antigen

Synthetic peptide, corresponding to amino acids 100-150 of Human P21.

Species

p21 Cip1 (G139) pAb detects endogenous levels of p21 Cip1 protein.

Dilutions

WB: 1:500~1:1000

Swiss Prot

P38936

Storage Temp

Store at 4 degrees C short term. Aliquot and store at -20 degrees C long term. Avoid freeze-thaw cycles.

Concentration

1ug/ul

Storage Buffer

1 mg/ml in Phosphate buffered saline (PBS) with 0.05% sodium azide, approx. pH 7.2.

Additional Info

For research use only, not for use in diagnostic procedure.

Molecular Weight

~ 21 kDa

Alternative Names

Cyclin-dependent kinase inhibitor 1; CDK-interacting protein 1; Melanoma differentiation-associated protein 6; MDA-6; CDKN1A; CAP20; CDKN1; CIP1; MDA6; PIC1; SDI1; WAF1