Recombinant Human CD40 protein (rFc Tag)
Species
Human
Purity
>90 %, SDS-PAGE
Tag
rFc Tag
Activity
not tested
Cat no : Eg1797
Validation Data Gallery
Product Information
Purity | >90 %, SDS-PAGE |
Endotoxin | <0.1 EU/μg protein, LAL method |
Activity |
Not tested |
Expression | HEK293-derived Human CD40 protein Glu21-Arg193 (Accession# P25942-1) with a rabbit IgG Fc tag at the C-terminus. |
GeneID | 958 |
Accession | P25942-1 |
PredictedSize | 45.4 kDa |
SDS-PAGE | 48-60 kDa, reducing (R) conditions |
Formulation | Lyophilized from 0.22 μm filtered solution in PBS, pH 7.4. Normally 5% trehalose and 5% mannitol are added as protectants before lyophilization. |
Reconstitution | Briefly centrifuge the tube before opening. Reconstitute at 0.1-0.5 mg/mL in sterile water. |
Storage Conditions |
It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
|
Shipping | The product is shipped at ambient temperature. Upon receipt, store it immediately at the recommended temperature. |
Background
CD40, also named as TNFRSF5 and Bp50, is a type I transmembrane protein that belongs to the tumor necrosis factor receptor (TNFR) family. CD40 is expressed on B cells, dendritic cells (DCs), monocytes, platelets, and macrophages as well as by non-hematopoietic cells such as myofibroblasts, fibroblasts, epithelial, and endothelial cells. It is a receptor for TNFSF5/CD40L. CD40L/CD40 interactions are essential for immunoglobulin (Ig) isotype switching, germinal center formation and the development of B cell memory.
References:
1. T M Foy, et al. (1994) J Exp Med. 180(1):157-63. 2. C van Kooten, et al. (2000) J Leukoc Biol. 67(1):2-17. 3. S Ferrari, et al. (2001) Proc Natl Acad Sci U S A. 98(22):12614-9. 4. Raul Elgueta, et al. (2009) Immunol Rev. 229(1):152-72.