Application Note: Anti-PDI Antibody is tested for use in WB, IP, IF microscopy and IHC. Expect a band approximately ~58kDa on specific lysates. Specific conditions for reactivity should be optimized by the end user.
Concentration Value: 85 mg/mL
Immunohistochemistry Dilution: User Optimized
Immunoprecipitation Dilution: User Optimized
Western Blot Dilution: 1:4000
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Immunogen: PDI Antibody was produced from whole rabbit serum prepared by repeated immunizations raised against rat PDI synthetic peptide conjugated to KLH.
Physical State: Liquid (sterile filtered)
Purity and Specificity: Anti-PDI Antibody was prepared from monospecific antiserum by delipidation and defibrination. A BLAST analysis was used to suggest cross-reactivity with PDI from Human, Mouse, Rat, Dog, Hamster, Monkey, Guinea pig, Bovine, Sheep, Pig, and Xenopus based on 100% homology with the immunizing sequence. Cross-reactivity with PDI from other sources has not been determined. Chaperones, Organelle Markers research.
Background: The three dimensional structure of many extracellular proteins is stabilized by the formation of disulphide bonds. Studies suggest that a microsomal enzyme known as Protein Disulphide Isomerase (PDI) is involved in disulphide-bond formation via its oxidase activity and isomerization via its isomerase activity, as well as the reduction of disulphide bonds in proteins. Studies suggest BiP and PDI work together sequentially to increase oxidation of these proteins. PDI has also been found to function as a chaperone to prevent the aggregation of unfolded substrates, and serves as a subunit of prolyl 4-hydroxylase and microsomal triglyceride transferase. PDI is an abundant 55kDa protein located primarily in the ER, however studies have also proved its presence in the cytosol. PDI has the ability to reside in the ER permanently due to the highly conserved KDEL sequence at its carboxy-terminus. It uses carboxy-terminal KDEL as a retention signal, and this appears to be sufficient to reduce the secretion of proteins from the ER. This retention is reported to be mediated by a KDEL receptor.
Low Endotoxin: No
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