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Key Documents

SAB4200321

Sigma-Aldrich

Anti-PTPRF (C-terminal) antibody produced in rabbit

IgG fraction of antiserum

Synonyme(s) :

Anti-LAR, Anti-Leukocyte antigen-related tyrosine phosphatase, Anti-Leukocyte common antigen-related tyrosine phosphatase, Anti-Tyrosine protein phosphatase receptor type F

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About This Item

Code UNSPSC :
12352203
Nomenclature NACRES :
NA.44

Source biologique

rabbit

Niveau de qualité

Conjugué

unconjugated

Forme d'anticorps

IgG fraction of antiserum

Type de produit anticorps

primary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Poids mol.

antigen ~150 kDa
antigen ~210 kDa
antigen ~85 kDa

Espèces réactives

human

Technique(s)

immunoprecipitation (IP): 5-10 μL using lysates of HEK-293T cells over-expressing human PTPRF.
western blot: 1:500-1:1000 using lysates of HEK-293T cells over-expressing human PTPRF.

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... PTPRF(5792)
mouse ... Ptprf(19268)
rat ... Ptprf(360406)

Description générale

PTPRF or leukocyte common antigen-related protein (LAR) is a widely expressed protein tyrosine phosphatase with an extracellular receptor region that resembles a cell adhesion molecule.
Protein tyrosine phosphatase, receptor type F (PTPRF) consists of noncovalently bound subunits designated as E (extracellular) and P (phosphatase) subunits that are derived from a precursor protein by proteolytic processing. The E subunit (150 kDa) has three immunoglobulin-like domains and eight fibronectin III-like domains, and the P subunit (85 kDa) has a short extracellular domain, a transmembrane segment and tandem cytoplasmic PTP catalytic domains.

Spécificité

The antibody recognizes both the extracellular and the cytoplasmic subunits of human PTPRF. Anti-PTPRF (C-terminal) antibody is specific for the P- subunit and the whole PTPRF protein from Human origin. Detection of the PTPRF bands by immunoblotting is specifically inhibited by the immunizing peptide.

Application

Anti-PTPRF (C-terminal) antibody produced in rabbit has been used in an enzyme based assay of protein tyrosine phosphatase 1 (PTP1).
The antibody may be used in several immunochemical techniques including immunoblotting (∼210, ∼150, and ∼85 kDa) and immunoprecipitation.

Actions biochimiques/physiologiques

Protein tyrosine phosphatase, receptor type F (PTPRF) removes phosphate group from β-catenin, an event that may subsequently facilitate cell-cell adhesion and ensure the stability of the cadherin complex. This phosphatase has also been implicated in various cellular processes such as neurite growth, nerve regeneration, actin remodeling and regulation of insulin function. Insulin receptor, epidermal growth factor receptor (EGF) receptor, hepatocyte growth factor (HGF) receptor and rearranged during transfection (RET) have been reported as substrates of PTPRF.

Forme physique

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

Clause de non-responsabilité

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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Code de la classe de stockage

10 - Combustible liquids

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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Consulter la Bibliothèque de documents

2, 5-DISUBSTITUTED OXADIAZOLE AND IT?S DERIVATIVE INHIBIT PROTEIN TYROSINE PHOSPHATASE PTP1B, ENHANCING INSULIN RECEPTOR PHOSPHORYLATION
Athare CL, et al.
World Journal of Pharmaceutical Research, 3(2), 2232-2247 (2014)
Differential effects of leukocyte common antigen-related protein on biochemical and biological activities of RET-MEN2A and RET-MEN2B mutant proteins
Qiao S, et al.
The Journal of Biological Chemistry, 276(12), 9460-9467 (2001)
M Streuli et al.
The EMBO journal, 11(3), 897-907 (1992-03-01)
The human transmembrane molecule LAR is a protein tyrosine phosphatase (PTPase) with a cell adhesion molecule-like extracellular receptor region. The structure of LAR hinted at its involvement in the regulation of tyrosine phosphorylation through cell-cell or cell-matrix interactions. We show
Robert A Mooney et al.
Current topics in medicinal chemistry, 3(7), 809-819 (2003-04-08)
The leukocyte common antigen-related protein, LAR, is a receptor-like protein tyrosine phosphatase (PTP) which has a wide tissue distribution. Post-translational processing cleaves the proprotein into two non-covalently associated subunits, an extracellular subunit resembling a cell adhesion molecule with three immunoglobulin-like
Mélanie J Chagnon et al.
Biochemistry and cell biology = Biochimie et biologie cellulaire, 82(6), 664-675 (2005-01-28)
The protein tyrosine phosphatases (PTPs) have emerged as critical players in diverse cellular functions. The focus of this review is the leukocyte common antigen-related (LAR) subfamily of receptor PTPs (RPTPs). This subfamily is composed of three vertebrate homologs, LAR, RPTP-sigma

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