Immunohistochemical staining of CD31  of human FFPE tissue followed by incubation with HRP labeled secondary and development with DAB substrate.

CD31 [Polyclonal] Antibody (cGMP).

$ 135.00$ 745.00
Please Select Product Options Below To View The Catalog Number.

SKU: QIVD238
Species: Human
Tested Applications: IHC [IVD]
Available Conjugates:
Isotype: Rabbit Undetermined

Product NumberDescriptionPrice
QIVD238-0.1ml Size: 0.1 ml, Format: Concentrate $ 135.00
QIVD238-0.5ml Size: 0.5 ml, Format: Concentrate $ 465.00
QIVD238-1ml Size: 1 ml, Format: Concentrate $ 745.00
QIVD238-6ml Size: 6 ml, Format: Predilute $ 355.00
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Datasheets and Documentation
Product Datasheet
Certificate of Analysis and Tags (Coming Soon)
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SKU: QIVD238-0.1ml
CD31 General Information
Alternate Names
Molecular Weight
82.5 kDa
Chromosomal Location
q23.3 [chr: 17] [chr_start: 64319415] [chr_end: 64413776] [strand: -1]
Curated Database and Bioinformatic Data
Gene SymbolPECAM1
Entrez Gene ID5175
RefSeq Protein Accession(s)XP_005276939; NP_000433; XP_016880228; XP_011523192; XP_005276937; XP_005276938; XP_011523191; XP_016880227; XP_016880229
RefSeq mRNA Accession(s)XM_011524890; XM_017024739; NM_000442; XM_005276881; XM_017024738; XM_017024741; XM_005276880; XM_005276882; XM_011524889; XM_005276883; XM_017024740
RefSeq Genomic Accession(s)NG_047009; NC_000017
UniProt ID(s)P16284
PharmGKB ID(s)PA33167
KEGG Gene ID(s)hsa:5175
General Description of CD31 .
CD31, also known as PECAM-1, is a 130 kDa integral membrane glycoprotein found on the surface of endothelial cells, platelets and some hematopoietic cells. The antibody labels endothelial cells of arteries, arterioles, venules, veins, and non-sinusoidal capillaries invarious tissues. CD31 is the most sensitive and specific endothelial cell marker. It is useful for detection of tumors with endothelial origin. In addition, CD31 has been used to identify vascular invasion of tumors, and assessment of angiogenesis which is a prognostic marker for many types of cancer.

Antibody (Suitable for clinical applications)

Sample Type: FFPE Patient Samples.
Tested Applications: IHC. Approved for In Vitro Diagnostic Procedures on FFPE tissues. For tissue collection recommendations, please see datasheet sent with product.
Application Notes
Specification Recommendation
Recommended Dilution (Conc) 1:50-1:100
Pretreatment Citrate Buffer pH 6.0
Incubation Parameters 30 min at Room Temperature

Prior to use, inspect vial for the presence of any precipitate or other unusual physical properties. These can indicate that the antibody has degraded and is no longer suitable for patient samples. Please run positive and negative controls simultaneously with all patient samples to account and control for errors in laboratory procedure. Use of methods or materials not recommended by enQuire Bio including change to dilution range and detection system should be routinely validated by the user.

Clonality: Polyclonal
Anti-CD31 Antibody Clone: Polyclonal
Host and Isotype: Rabbit Undetermined
Recommended Positive Control Sample: Placenta. Angiosarcoma
Cellular Localization of Antibody Polyclonal Staining: Cell Membrane
Buffer and Stabilizer: PBS with 1% BSA and 0.05% NaN3
Antibody Concentration: Lot specific. Plese contact tech support for data.
Immunogen: A synthetic peptide corresponding to residues on human CD31 protein
Storage Conditions: This antibody should be stored refrigerated (2-8°C). This product should not be used past the expiration date printed on the vial.

CD31 Information for Pathologists

Limitations and Warranty

This antibody is manufactured in accordance with clinical good manufacturing practices in an ISO13485:2016 certified production facility. It is intended for multiple uses including in vitro diagnostic use and research use only applications. Please see vial label for expiration date. We strive to always deliver antibodies with a shelf life of at least two years.

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CD31 [Polyclonal] Antibody (cGMP).