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Invitrogen
PIGR Polyclonal Antibody
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FIGURE: 1 / 5
PIGR Antibody (PA5-22096) in ICC/IF
PIGR Polyclonal Antibody detects PIGR protein by immunofluorescent analysis. Sample: HepG2 cells were fixed in 4% paraformaldehyde at RT for 15 min. Green: PIGR stained by PIGR Polyclonal Antibody (Product # PA5-22096) diluted at 1:500. Blue: Fluoroshield with DAPI . Scale bar= 10 µm.
Product Details
PA5-22096
Applications
Tested Dilution
Publications
Product Specifications
Species Reactivity
Human
Published species
Human
Host/Isotype
Rabbit
/ IgG
Class
Polyclonal
Type
Antibody
Immunogen
Recombinant protein encompassing a sequence within the Extracellular domain of human PIGR. The exact sequence is proprietary.
Conjugate
Form
Liquid
Concentration
0.39 mg/mL
Purification
Antigen affinity chromatography
Storage buffer
PBS, pH 7, with 1% BSA, 20% glycerol
Contains
0.025% ProClin 300
Storage conditions
Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.
Shipping conditions
Ambient (domestic); Wet ice (international)
RRID
Product Specific Information
Recommended positive controls: Human milk.
Store product as a concentrated solution. Centrifuge briefly prior to opening the vial.
Target Information
Polymeric IgA and IgM is produced and secreted by B cells in the lamina propria, which is beneath the mucosal lining of polarized epithelial cells. Polymeric immunoglobulin receptors, also designated pIgRs, are expressed on the basolateral surface of glandular epithelia and mediate transcellular transport of secretory immunoglobulin polymers across the epithelium. pIgR associates with secreted dimeric IgA and IgM molecules. During transcellular transport of these Ig polymers, pIgR undergoes proteolytic cleavage to generate a fragment called secretory component (SC), polymeric immunoglobulin receptor or poly-IG receptor. When immunoglobulin polymers associate with SC, they become resistant to enzymatic degradation during the transcytosis process. SC and the pIgR are crucial for proper mucosal immunity where they represent a molecular chaperone for polymeric Igs to remain intact and enter into body fluids. The human SC (pIgR) gene maps to chromosome 1q31-q41 and encodes a 764 amino acid protein. The receptor contains five units with homology to the variable (V) units of immunoglobulins and a transmembrane region that shares homology to certain immunoglobulin variable regions.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Bioinformatics
Protein Aliases: hepatocellular carcinoma associated protein TB6; Hepatocellular carcinoma-associated protein TB6; PIgR; Poly Ig receptor; poly-Ig receptor; Polymeric immunoglobulin receptor; tb6
Gene Aliases: PIGR
UniProt ID: (Human) P01833
Entrez Gene ID: (Human) 5284
Performance Guarantee
If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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