P2545
Protein A–Agarose
saline suspension
Synonym(s):
Protein A resin
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About This Item
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biological source
Staphylococcus aureus
form
saline suspension
extent of labeling
~2 mg per mL
matrix activation
cyanogen bromide
matrix attachment
amino
matrix spacer
1 atom
capacity
≥15 mg/mL binding capacity (human IgG)
storage temp.
2-8°C
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General description
Protein A is a 42-kDa protein from Staphylococcus aureus and has five immunoglobulin binding domains.
Application
Protein A−Agarose has been used in the immunoprecipitation
- of protein phosphatase and tensin homolog (PTEN) protein from S63 and NIH3T3 fibroblast cells
- of prolyl hydroxylase domain 2 N27 cells
- of Wnt3a and sonic hedgehog (Shh) in mouse fibroblast L-cells and human embryonic kidney (HEK) 293 cells
Protein A-agarose is used for affinity chromatography, antibody purification and characterization, and protein A, G and L resins. Protein A-agarose has been used to study the effects of protein A immunoadsorption in patients with chronic dilated cardiomyopathy as well as to study multiple sclerosis and gastric cancer.
Biochem/physiol Actions
Protein A binds to Fcγ (the constant region) and Fab (antigen binding fragment) of IgG. Protein A agarose resin is commercially used for affinity based purifications.
Physical form
Suspension in 0.5 M NaCl containing preservative
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Molecular chaperones are presumed to associate with large secretory mucin glycoproteins during their synthesis in the endoplasmic reticulum (ER), but have not been identified to date. We decided to look for possible involvement of the chaperones calreticulin (CRT) and calnexin
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