Protein A/G-Biotin | 6506

Protein A/G is a genetically engineered protein that combines the IgG binding profiles of both Protein A and Protein G. It is a gene fusion product. Recombinant fusion protein A/G contains 6x His-tag on the N-terminus, five Ig-binding regions of protein A fusion with three Ig-binding region of protein G. Cell wall binding region, albumin binding region and other non-specific binding regions have been eliminated from the fusion protein A/G to ensure the maximum specific IgG binding. 6x His-tag on N-terminus can be used for affinity purification or for protein A/G detection using anti-His-tag antibody. Protein A/G binds to all IgG subclasses from various mammalian species, including all IgGs that bind to both Protein A and Protein G, making it the ideal choice for purification of all kinds of polyclonal or monoclonal IgG antibodies. Protein A/G-Biotin is prepared by conjugating recombinant Protein A/G to Biotin. The conjugation was optimized to provide the maximal binding capacity for IgG.

6506 | Protein A/G-Biotin DataSheet

Biomolecule/Target: N/A

Synonyms: Protein A/G

Alternates names: CD23 antigen, Fc-epsilon-RII, Lymphocyte IgE receptor, BLAST-2

Taglines: Genetically engineered protein ideal for purification of polyclonal or monoclonal IgG antibodies

NCBI Gene ID #: 9606

NCBI Gene Symbol: CD23

Gene Source: Human

Accession #: Q30218

Recombinant: Yes

Source: E. coli.

Purity by SDS-PAGEs: 96%

Assay: SDS-PAGE

Purity: N/A

Assay #2: HPLC

Endotoxin Level: < 0.1 ng/g of protein (<1EU/g).

Activity (Specifications/test method): Measured by its ability to induce TNF-alpha production by human PBMCs.

Biological activity: Measured by its ability to induce TNF-alpha production by human PBMCs.

Results: N/A

Binding Capacity: N/A

Unit Definition: N/A

Molecular Weight: 19.2 kDa

Concentration: N/A

Appearance: Lyophilized

Physical form description: Sterile filtered through a 0.2 micron filter. Lyophilized from 0.5X PBS, pH 8.0.

Reconstitution Instructions: Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.

Amino acid sequence: MELQVSSGFV CNTCPEKWIN FQRKCYYFGK GTKQWVHARY ACDDMEGQLV SIHSPEEQDF LTKHASHTGS WIGLRNLDLK GEFIWVDGSH VDYSNWAPGE PTSRSQGEDC VMMRGSGRWN DAFCDRKLGA WVCDRLATCT PPASEGSAES MGPDSRPDPD GRLPTPSAPL HS