Key Product Details

Species Reactivity

Multi-Species

Applications

ELISA

Label

Janelia Fluor 549

Antibody Source

Monoclonal Rat IgG2B Clone # 946412
View all Protein A Primary Antibodies »

Product Specifications

Immunogen

Recombinant protein A

Specificity

Detects Protein A in direct ELISAs.

Clonality

Monoclonal

Host

Rat

Isotype

IgG2B

Applications for Protein A Antibody (946412) [Janelia Fluor® 549]

Application
Recommended Usage

ELISA

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark.

Background: Protein A

Protein A is a surface protein of S.aureus which binds IgG molecules by their Fc region. In serum, the bacteria will bind IgG molecules in the wrong orientation on their surface which hinders opsonization and phagocytosis. Mutants of S. aureus lacking protein A are more efficiently phagocytosed in vitro, and mutants in infection models have diminished virulence. Due to its affinity for the Fc region of many mammalian immunoglobulins, protein A is considered a universal reagent in biochemistry and immunology.

Alternate Names

PROA, Protein-A

Additional Protein A Products

Product Documents for Protein A Antibody (946412) [Janelia Fluor® 549]

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Download SDS

Product Specific Notices for Protein A Antibody (946412) [Janelia Fluor® 549]



Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus.

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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FAQs for Protein A Antibody (946412) [Janelia Fluor® 549]

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  • Q: During my master thesis, I am working on a large scale ribosome affinity purification in Trypanosoma brucei. Unfortunately, we have some problems with the present antibody (IgG against protein A, extracted from chicken). Therefore, we are searching a better and more efficient alternative. Ideally it is extracted from guinea pig, rat, mouse or rabbit. Searching suitable antibodies, I found you have some in your range of products. Since we need to work large scale and will need a bigger amount of antibodies the next months, we would like to get the possibility to test the new antibodies first. Therefore I would like to ask for an aliquot for testing. You would really help me finding an good alternative!

    A:

    We unfortunately cannot offer testing samples of our antibodies. I am sorry for any inconvenience. We do have two antibodies to Protein A that meet your host requirements. We fully guarantee our antibodies for all listed species and applications. For any applications and/or species not listed, we offer our Innovators Reward Program. In exchange for a review of your experiment using our product in an untested application or species, we will issue you a credit for the purchase price of the antibody.

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