Mouse Monoclonal Anti-CD31 antibody (STJ99198)


Reactivity: Human
Applications: WB, ELISA
Conjugation: Unconjugated
Supplier: St John’s Laboratory Ltd.

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Mouse Monoclonal Anti-CD31 antibody (STJ99198)

Supplier: St John’s Laboratory Ltd.

Recommended applications: WB, ELISA

Recommended dilution: WB 1:500-2000; ELISA 1:10000-20000

Recommended protocols: check protocols

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Alternative names:

Check alternative names for the antibody


|Adhesion molecule antibody|CD31 antibody|CD31 antigen antibody|CD31 EndoCAM antibody|EndoCAM antibody|FLJ34100 antibody|FLJ58394 antibody|GPIIA antibody|GPIIA’ antibody|PECA1 antibody|PECA1_HUMAN antibody|Pecam 1 antibody|PECAM 1 CD31 EndoCAM antibody|PECAM antibody|PECAM-1 antibody|Pecam1 antibody|Platelet and endothelial cell adhesion molecule 1 antibody|Platelet endothelial cell adhesion molecule antibody|Platelet/endothelial cell adhesion molecule 1 antibody|Anti-CD31 antibody (ab28364)
SCBT cat No: sc-71871|sc-1505|sc-46694|sc-365804|sc-133091|


Anti-CD31 antibody

Catalogue No.





Anti-CD31 antibody detects endogenous levels of CD31 and does not cross-react with related proteins.


Purified recombinant human CD31 protein fragments expressed in E.coli.











Molecular weight



Anti-CD31 antibody was tube-contained in liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.


1 mg/ml


Anti-CD31 antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.


-20 Celsius degree. Avoid repeated freeze/thaw cycles.

Alternative antibody names

Adhesion molecule antibody, CD31 antibody, CD31 antigen antibody, CD31 EndoCAM antibody, EndoCAM antibody, FLJ34100 antibody, FLJ58394 antibody, GPIIA antibody, GPIIA' antibody, PECA1 antibody, PECA1_HUMAN antibody, Pecam 1 antibody, PECAM 1 CD31 EndoCAM antibody, PECAM antibody, PECAM-1 antibody, Pecam1 antibody, Platelet and endothelial cell adhesion molecule 1 antibody, Platelet endothelial cell adhesion molecule antibody, Platelet/endothelial cell adhesion molecule 1 antibody

Protein function

Induces susceptibility to atherosclerosis (By similarity). Cell adhesion molecule which is required for leukocyte transendothelial migration (TEM) under most inflammatory conditions. Tyr-690 plays a critical role in TEM and is required for efficient trafficking of PECAM1 to and from the lateral border recycling compartment (LBRC) and is also essential for the LBRC membrane to be targeted around migrating leukocytes. Prevents phagocyte ingestion of closely apposed viable cells by transmitting 'detachment' signals, and changes function on apoptosis, promoting tethering of dying cells to phagocytes (the encounter of a viable cell with a phagocyte via the homophilic interaction of PECAM1 on both cell surfaces leads to the viable cell's active repulsion from the phagocyte. During apoptosis, the inside-out signaling of PECAM1 is somehow disabled so that the apoptotic cell does not actively reject the phagocyte anymore. The lack of this repulsion signal together with the interaction of the eat-me signals and their respective receptors causes the attachment of the apoptotic cell to the phagocyte, thus triggering the process of engulfment). Isoform Delta15 is unable to protect against apoptosis. Modulates BDKRB2 activation. Regulates bradykinin- and hyperosmotic shock-induced ERK1/2 activation in human umbilical cord vein cells (HUVEC). .

Protein tissue specificity

Expressed on platelets and leukocytes and is primarily concentrated at the borders between endothelial cells. Isoform Long predominates in all tissues examined. Isoform Delta12 is detected only in trachea. Isoform Delta14-15 is only detected in lung. Isoform Delta14 is detected in all tissues examined with the strongest expression in heart. Isoform Delta15 is expressed in brain, testis, ovary, cell surface of platelets, human umbilical vein endothelial cells (HUVECs), Jurkat T-cell leukemia, human erythroleukemia (HEL) and U-937 histiocytic lymphoma cell lines (at protein level). .

Protein sequence and domain

Contains 6 Ig-like C2-type (immunoglobulin-like) domains. The Ig-like C2-type domains 2 and 3 contribute to formation of the complex with BDKRB2 and in regulation of its activity.

Protein post-translational modifications

Phosphorylated on Ser and Tyr residues after cellular activation. Phosphorylated on tyrosine residues by FER and FES in response to FCER1 activation (By similarity). In endothelial cells Fyn mediates mechanical-force (stretch or pull) induced tyrosine phosphorylation. .; Palmitoylation by ZDHHC21 is necessary for cell surface expression in endothelial cells and enrichment in membrane rafts. .

Protein cellular localization

Isoform Long: Cell membrane ; Single-pass type I membrane protein . Membrane raft . Cell junction . Note=Localizes to the lateral border recycling compartment (LBRC) and recycles from the LBRC to the junction in resting endothelial cells. .; Isoform Delta15: Cell junction . Note=Localizes to the lateral border recycling compartment (LBRC) and recycles from the LBRC to the junction in resting endothelial cells.


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St John’s Laboratory Ltd.

Product type

Primary antibody


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