Shanghai Kekai Biotechnology Co., Ltd.

1. Recombinant protein G
English name: Recombinant Protein G
CAS Number: 90698-81-0
Product name: protein G, recombinant protein G, staphylococcus aureus protein G, recombinant streptococcal protein G
Product category:Biochemical reagents
Model: KK-T007
Specifications: mg, g
Trademark: Kekai
Packaging: mg, g
Storage conditions: -20 °C
Supplier: Shanghai Kekai
Stock: Large
Shelf life: 2 years

2. Protein G is a wall protein isolated from G class Streptococci bacteria and binds to the IgG Fc segment of most mammals (including: humans, goats, sheep, rabbits, guinea pigs, horses, pigs, monkeys, mice, etc.). Does not bind to dog IgG, does not bind to human IgM, IgD, and IgA.
Recomb Protein G has removed binding sites to albumin and cell surfaces, reducing cross-reactivity and non-specific binding. Therefore, it has a greater affinity than natural proteins G and A. It can replace secondary antibodies and is widely used in immunochemistry and other fields. Good in affinity, stability, etc.
3. Storage and transportation stability

Storage stability: recombinant protein G lyophilized powder stored at 2-8 °C, stable for 24 months (no moisture absorption); After dissolution, place on an ice bath and try to use immediately, if you need to use it multiple times, please store in aliquots at -65 °C before use to avoid repeated freeze-thaw affecting protein activity.
Transportation stability: blue ice insulation transportation, activity stability.

4. Product use

SPG is extremely versatile and can be used to isolate and purify or remove IgG from serum, purification of monoclonal antibodies, and isolation of antigen-antibody complexes. After SPG is combined with agarose gel, affinity packing for antibody purification can be prepared to isolate and purify different isotypes of IgG from serum, ascites, cell culture supernatant, etc.