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Protein A (Liquid form)

based on 1 citations in multiple journalsProtein A (Liquid form)14.1 4
Genetically engineered protein ideal for purification of polyclonal or monoclonal IgG antibodies
Catalog #: 6500
SKU-Size Size Price Qty
6500-10 10 mg
6500-25 25 mg
6500-100 100 mg
6500-1000 1 g
More Sizes Get Quote

Product Details

Alternate Name Protein A
Gene ID 3919448
Accession # YP_498670
Source E. coli
Appearance Liquid
Physical Form Description 50 mg/ml in H₂O
Molecular Weight 35.5 kDa
Purity by SDS-PAGE ≥99%
Purity by ≥99%
Endotoxin Level <0.1 ng/μg
Handling Centrifuge the vial prior to opening.
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not to be used in humans


The recombinant Protein A is a genetically engineered protein containing five Ig-binding regions of protein A and 6x His-tag on N-terminus. Cell wall binding region, albumin binding region and other non-specific binding regions have been eliminated from the recombinant Protein A to ensure the maximum specific IgG binding. The 6x His-tag can be used for affinity purification or for protein A detection using anti-His-tag antibody. The recombinant Protein A is ideal for purification of polyclonal or monoclonal IgG antibodies. Protein A binds to most human and mouse IgG subclasses (e.g., human IgG1, IgG2, IgG4; mouse IgG1, IgG2a, IgG2b, IgG3). It also binds to total IgG from cow, guinea pig, hamster, horse, pig, and rabbit. Protein A has little affinity to chicken, goat, rat and sheep.

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Steiner, O., et al. Differential Roles for Endothelial ICAM-1, ICAM-2 and VCAM-1 in Shear-Resistant T Cell Arrest, Polarization and Directed Crawling on Blood-Brain Barrier Endothelium. J. Immunol., 2010; 185: 4846-4855.
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