The cluster of differentiation (CD) system is commonly used as cell markers in immunophynotyping. Different kinds of cells in the immune system can be identified through the surface CD molecules which associating with the immune function of the cell. There are more than 320 CD unique clusters and subclusters have been identified. Some of the CD molecules serve as receptors or ligands important to the cell through initiating a signal cascade which then alter the behavior of the cell. Some CD proteins do not take part in cell signal process but have other functions such as cell adhesion. CD157, also known as ADP-ribosyl cyclase 2, is an ectoenzyme sharing several characteristics with ADP-ribosyl cyclase CD38. CD157 was originally identified as a bone marrow stromal cell molecule (BST-1) with a glycosylphosphatidylinositol (GPI) anchor to bind to the cell surface. CD157 is prevalently expressed by cells of the myeloid lineage. CD157 could act as a receptor with signal transduction capability. Further, it regulates calcium homeostasis and promotes polarization in neutrophils and mediates superoxide (O2−) production in the human U937 myeloid line.
Product Name:
Rat CD157/BST1 Recombinant Protein (RPES4013)
Product Code:
RPES4013
Size:
50µg
Species:
Rat
Expressed Host:
HEK293 Cells
Synonyms:
BST1
Accession:
Q63072
Sequence:
Met1-Glu293
Fusion tag:
C-His
Endotoxin:
<1.0 EU per µg of the protein as determined by the LAL method
Protein Construction:
A DNA sequence encoding the rat BST1 (Q63072) (Met1-Glu293) was expressed, fused with a polyhistidine tag at the C-terminus.
Purity:
> 90 % as determined by SDS-PAGE
Mol Mass:
31.2 kDa
AP Mol Mass:
38-42 kDa
Formulation:
Lyophilized from sterile PBS, pH 7.4
Shipping:
This product is provided as lyophilized powder which is shipped with ice packs.
Stability and Storage:
Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
