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SAB4200319

Sigma-Aldrich

Anti-PTPRA antibody produced in rabbit

~1.0 mg/mL

Synonym(s):

Anti-LRP, Anti-PTPA, Anti-PTPRL2, Anti-PTPase-α, Anti-Tyrosine protein phosphatase receptor type α

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.44

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~90 kDa

species reactivity

mouse, human

concentration

~1.0 mg/mL

technique(s)

indirect immunofluorescence: 5-10 μg/mL using paraformaldehyde fixed HUVEC cells.
western blot: 0.25-0.5 μg/mL using lysates of NIH-3T3 or PC12 cells.

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... PTPRA(5786)
mouse ... PTPRA(19262)

Related Categories

General description

PTPRA is a transmembrane phosphatase that regulates cell proliferation, cell adhesion, integrin signaling, and growth factor response. This phosphatase also activates proteins of the Src family. PTPRA inhibits cell growth in breast cancer and contributes to tumorigenesis in colon carcinoma . Anti-PTPRA antibody is specific for human and mouse PTPRA. In immunoblotting, detection of the PTPRA band is specifically inhibited by the immunizing peptide.
Protein tyrosine phosphatase alpha (PTPRA) is a transmembrane phosphatase with a relatively short, highly glycosylated extracellular domain, a transmembrane domain, and a tandem phosphatase domain. The amino-terminal domain predominantly mediates catalytic activity, whereas the carboxyterminal domain serves as a regulatory subunit.

Immunogen

synthetic peptide corresponding to an internal region of human PTPRA, conjugated to KLH. The corresponding sequence is identical in mouse and differs by one amino acid in rat.

Application

Anti-PTPRA antibody is suitable for use in western blot (0.25-0.5 μg/mL using lysates of NIH-3T3 or PC12 cells) and indirect immunofluorescence (5-10 μg/mL using paraformaldehyde fixed HUVEC cells).
Anti-PTPRA antibody produced in rabbit has been used in immunoblotting and immunofluorescence.

Biochem/physiol Actions

Protein tyrosine phosphatase alpha (PTPRA) is implicated in several signaling pathways, including insulin receptor signaling, cellular transformation and cell spreading and migration. It regulates cell proliferation, cell adhesion, integrin signaling, and growth factor response. PTPRA inhibits cell growth in breast cancer and contributes to tumorigenesis in colon carcinoma.

Physical form

Solution in 0.01 M phos­phate buffered saline, pH 7.4, containing 15 mM sodium azide.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Receptor-type protein tyrosine phosphatases in cancer
Du Yu and Grandis JR
Chinese Journal of Cancer, 34(2), 61-61 (2015)
E Ardini et al.
Oncogene, 19(43), 4979-4987 (2000-10-24)
Tyrosine phosphorylation is controlled by a balance of tyrosine kinases (PTKs) and protein tyrosine phosphatases (PTPs). Whereas the contribution of PTKs to breast tumorigenesis is the subject of intense scrutiny, the potential role of PTPs is poorly known. RPTPalpha is
K Tabiti et al.
Cancer letters, 93(2), 239-248 (1995-07-13)
The protein tyrosine phosphatase alpha (PTP alpha) mRNA level in paired samples of late stage (Dukes' D) colorectal tumors and adjacent normal colon mucosa was quantified by RNase protection assays. After normalization against 18S RNA or beta-actin mRNA level, a
N X Krueger et al.
The EMBO journal, 9(10), 3241-3252 (1990-10-01)
Protein tyrosine phosphatases (PTPases), together with protein tyrosine kinases, regulate the tyrosine phosphorylation that controls cell activities and proliferation. Previously, it has been recognized that both cytosolic PTPases and membrane associated, receptor-like PTPases exist. In order to examine the structural

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