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07-330 Sigma-Aldrich

Anti-Partitioning-defective 3 Antibody

clone, Upstate®, from rabbit

Synonym: Atypical PKC isotype-specific-interacting protein, CTCL tumor antigen se2-5, atypical PKC isotype-specific interacting protein, par-3 (partitioning defective 3, C.elegans) homolog, par-3 partitioning defective 3 homolog (C. elegans), partitioning-defecti

  •  eCl@ss 32160702

  •  NACRES NA.41

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Properties

Related Categories Alphabetical Index, Antibodies, P-PA, Primary Antibodies
clone   polyclonal
biological source   rabbit
application(s)   immunocytochemistry: suitable
  western blot: suitable
species reactivity   mouse, canine, rat, human, monkey
shipped in   dry ice
isotype   IgG
Quality Level   100
antibody product type   primary antibodies
mfr. no.   Upstate®
NCBI accession no.   NP_062565
UniProt accession no.   Q8TEW0
Gene Information   human ... PARD3(56288), PHIP(55023)

Description

General description

PAR3 is an adapter protein involved in asymmetrical cell division and cell polarization processes. It seems to play a central role in the formation of epithelial tight junctions. Its association with PARD6B may prevent the interaction of PAR3 with F11R/JAM1, thereby preventing tight junction assembly. The PARD6-PAR3 complex links GTP bound Rho small GTPases to atypical protein kinase C proteins. PAR3 interacts with PARD6A and PARD6B. Isoform 2, but not at least isoform 3 interacts with PRKCZ. PAR3 interacts with PRCKI. PAR3 forms part of a complex with PARD6A or PARD6B, PRKCI or PRKCZ and CDC42 or RAC1. PAR3 interacts with F11R/JAM1. Antibodies against PAR3 are present in sera from patients with cutaneous T cell lymphomas.

Specificity

Recognizes all 3 slice isoforms of PAR-3, MW ~180, 150, 100 kDa.

Immunogen

GST fusion protein corresponding to residues 457-744 of mouse PAR-3 (accession number AY02657).

Application

Anti-Partitioning-defective 3 Antibody is an antibody against Partitioning-defective 3 and has been published in over 20 citations for use in IC and WB.

Immunocytochemistry:
A previous lot of this antibody showed positive immunostaining for PAR-3 in MDCK cells fixed with 3% paraformaldehyde followed by permeabilization with 0.1% Triton X-100 has been shown by an independent laboratory.

Research Category
Cell Structure

Research Sub Category
Cytoskeleton

Target description

~180, 150 & 100 kDa

Physical form

Format: Purified

Protein A chromatography

Purified rabbit polyclonal in buffer containing 0.014 M phosphate buffer, pH 7.6, 0.175 M NaCl, 0.07% sodium azide and 30% glycerol.

Storage and Stability

Stable for 1 year at -20ºC from date of receipt.

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.

Quality

Evaluated by western blot on RIPA lysates from 3T3/A31, A431, and HeLa cells.

Western Blot Analysis:
0.5-2 µg/mL of this antibody detected PAR-3 isoforms in RIPA lysates from 3T3/A31, A431, and HeLa cells.

Linkage

Replaces: MABS174

Analysis Note

Control
3T3/A31 lysate.

Included Positive Antigen Control: Catalog # 12-305, 3T3/A31 lysate. Add 2.5 µL of 2-mercapto-ethanol/100 µL of lysate and boil for 5 minutes to reduce the preparation. Load 20 µg of reduced lysate per lane for minigels.

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Safety & Documentation

Safety Information

Safety Information for this product is unavailable at this time.
Protocols & Articles

Articles

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Peer-Reviewed Papers
15

References

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