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ASPP1 antibody

Anti-ASPP1 antibody used in Western Blot (WB). GTX48719

Cat No. GTX48719

Host Rabbit
Clonality Polyclonal
Isotype IgG
Application WB, ELISA
Reactivity Human
Package
50 μg ($319)
APPLICATION

Application Note

*Optimal dilutions/concentrations should be determined by the researcher.
Application Dilution
WB 1:500 - 1:3000
ELISA 1:2500 - 1:10000
Not tested in other applications.

Calculated MW

120 kDa. ( Note )
PROPERTIES

Form

Liquid

Buffer

0.02 M Potassium Phosphate, 0.15 M Sodium Chloride, pH 7.2 and 0.01% (w/v) Sodium Azide

Storage

Store as concentrated solution. Centrifuge briefly prior to opening vial. For short-term storage (1-2 weeks), store at 4ºC. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.

Concentration

0.33 mg/ml (Please refer to the vial label for the specific concentration.)

Antigen Species

Human

Immunogen

This affinity purified antibody was prepared from whole rabbit serum produced by repeated immunizations with a synthetic peptide corresponding to an internal sequence of human ASPP1.

Purification

Purified by antigen-affinity chromatography.

Conjugation

Unconjugated

Note

For laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.
TARGET

Synonyms

Protein Phosphatase 1 Regulatory Subunit 13B,Aspp1,P53Bp2-Like,P85,Ppp1R13B

Cellular Localization

Predominantly cytoplasmic. Some fraction is nuclear.

Background

ASPP (ankyrin-repeat-, SH3-domain- proline-rich-region protein) proteins (ASPP1, ASPP2 and iASPP) represent a new family of p53 binding proteins. ASPP1 and ASPP2 bind and enhance p53-mediated apoptosis. In contrast, iASPP functionally inactivates p53. ASPPs may also regulate p63- and p73-mediated apoptosis. Both ASPP1 and 2 directly interact with p53 and specifically enhance the apoptotic function of p53 by stimulating its DNA binding and transactivation function on promoters of pro-apoptotic genes, such as Bax and PIG-3. Not all cell cycle arrest genes are affected, such as p21. Interestingly, expression of ASPP is frequently down-regulated in human breast carcinomas expressing wild-type p53 but not mutant p53. Therefore, ASPP might regulate the tumor suppression function of p53 in vivo.

Database

Research Area

DATA IMAGES
Anti-ASPP1 antibody used in Western Blot (WB). GTX48719

GTX48719 WB Image

Western blot using GeneTex's affinity purified anti-ASPP1 to detect over-expressed ASPP1 in MCF-7 cells (lane 2, arrowhead). Lane 1 is a non-transfected control. Lane 3 is MCF-7 cells over-expressing ASPP2. Cell extracts were electrophoresed and transferred to nitrocellulose. The membrane was probed with the primary antibody at a 1:1,000 dilution. The identity of the lower MW band at approximately 50kDa is unknown. Primary experimental data indicate that the unknown band intensifies in extracts from p53 siRNA knockdown cells.

REFERENCE
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Package List Price ($)
$ 319