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Home >> Antibodies >> PECAM-1 Antibody / CD31

PECAM-1 Antibody / CD31 [clone C31.7] (V2219)

  Catalog No Formulation Size Price (USD)  
Image V2219-100UG 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide 100 ug 499
V2219-20UG 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide 20 ug 219
V2219SAF-100UG 1 mg/ml in 1X PBS; BSA free, sodium azide free 100 ug 499
V2219IHC-7ML Prediluted in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide; *For IHC use only* 7 ml 499
IHC staining of colon carcinoma with PECAM-1 antibody (clone C31.7). Note cell membrane staining of endothelial cells.
IHC staining of angiosarcoma with PECAM-1 antibody (clone C31.7).
IHC staining of tonsil tissue with PECAM-1 antibody (clone C31.7).
Western blot testing of human samples using PECAM-1 antibody (clone C31.7). Expected molecular weight: 83-130 kDa depending on level of glycosylation.
FACS testing of Jurkat cells: Black=cells alone; Green=isotype control; Red=PECAM-1 antibody PE conjugate
SDS-PAGE Analysis of Purified, BSA-Free PECAM-1 Antibody (clone C31.7). Confirmation of Integrity and Purity of the Antibody.
Western blot testing of human Jurkat cell lysate with PECAM-1 antibody (clone C31.7). Expected molecular weight: 83-130 kDa depending on level of glycosylation.
Flow cytometry testing of PFA-fixed human Jurkat cells with PECAM-1 antibody (clone C31.7); Red=isotype control, Blue= PECAM-1 antibody.
Flow cytometry testing of human Jurkat cells with PECAM-1 antibody (clone C31.7); Black=cells alone, Gray=isotype control, Green= PECAM-1 antibody.
Species Reactivity Human
Format Purified
Clonality Monoclonal (mouse origin)
Isotype Mouse IgG1, kappa
Clone Name C31.7
Purity Protein G affinity chromatography
Gene ID 5175
Localization Cell surface and cytoplasmic
Applications Flow cytometry : 1-2ug/10^6 cells
Western blot : 1-2ug/ml
Immunohistochemistry (FFPE) : 1-2ug/ml for 30 min at RT
Limitations This PECAM-1 antibody is available for research use only.
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PECAM-1, or platelet endothelial cell adhesion molecule-1, also called CD31, is made up of six extracellular immunoglobulin-like domains, a single transmembrane domain, and a cytoplasmic domain containing serine and tyrosine residues that when phosphorylated, activate the molecules signaling function. It is expressed on platelets, monocytes, neutrophils, bone marrow macrophage and dendritic cells precursors, and at the intracellular junction of endothelial cells. PECAM-1, on the endothelial lining of blood vessels, helps maintain the vascular barrier. In response to inflammatory mediators, the endothelial pull away from each other allowing fluid, inflammatory cells and proteins into the extravascular space. The inflammatory response fades as adhesion of neighboring cells increase. PECAM-1 also plays an important role in angiogenesis, promoting endothelial cell motility, junctional development and capillary morphogenesis.

Application Notes

The concentration stated for each application is a general starting point. Variations in protocols, secondaries and substrates may require the PECAM-1 antibody to be titered up or down for optimal performance.

1. Staining of formalin-fixed tissues requires boiling tissue sections in 1mM EDTA, pH 7.5-8.5, for 10-20 min followed by cooling at RT for 20 minutes.
2. The prediluted format is supplied in a dropper bottle and is optimized for use in IHC. After epitope retrieval step (if required), drip mAb solution onto the tissue section and incubate at RT for 30 min.


Human recombinant PECAM-1 / CD31 protein was used as the immunogen for this antibody.


Store the PECAM-1 antibody at 2-8oC.

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