Product Description

Human Complement Component 4 Binding Protein, also known as C4BP, is a glycoprotein that plays a significant role in the regulation of the complement system. Belonging to the family of complement control proteins, C4BP acts as a cofactor for the proteolytic inactivation of the complement protein C4b. With a molecular weight of approximately 570 kDa, this binding protein aids in preventing excessive activation of the complement cascade, thereby maintaining immune homeostasis. Through its interaction with C4b, Human Complement Component 4 Binding Protein modulates the immune response, serving as a regulatory component of the complement system.

Current Lead Time

7-14 Days

Product Specifications

*For Research Use Only

If your product is within its expiration period, and has not performed according to expectations, fill out the sample return form. Return the unused sample frozen, with the auto generated packing slip to the address on the instructions. You will receive a full refund along with a replacement of the unused portion (inclusive of the failed test). Damages do not cover any additional costs incurred for failed experimentation. 

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Reconstituted store at -20°C or -80°C.We recommend that single use aliquots are prepared to avoid freeze-thaw cycles.

1. Thaw the vial on ice, spin briefly
2. Prepare single-use or stock aliquots. This stage will depend on your final application so please adapt as appropriate. All our proteins are supplied carrier protein-free. If compatible with your work and you are storing at lower concentrations (<50 ug/ml) adding carrier protein is highly advised (usually 1% w/v high purity BSA or equivalent – ensure all buffers are sterile-filtered).
3. Prepare single-use aliquots whenever possible to avoid freeze-thaw cycles which can damage the proteins and reduce bioactivity. Store aliquots at -70 °C (or -20 °C)
4. We recommend sterile filtering after dilution in media or the final working solution
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