Recombinant Human Complement Factor B/CFB is produced with our mammalian expression system in human cells. The target protein is expressed with sequence (Thr26-Leu764) of Human CFB fused with a polyhistidine tag at the C-terminus.
Pureté
> 95 % as determined by reducing SDS-PAGE.
Stérilité
0.2 μm filtered
niveau d'endotoxine
Less than 0.1 ng/μg (1 IEU/μg) as determined by LAL test
CFB
Origine: Humain
Hôte: HEK-293 Cells
Recombinant
The purity of the protein is greater than 95 % as determined by SDS-PAGE and Coomassie blue staining.
CFB
Origine: Rat
Hôte: Escherichia coli (E. coli)
Recombinant
> 95 %
SDS, WB, Imm, PC
Restrictions
For Research Use only
Format
Liquid
Reconstitution
It is not recommended to reconstitute to a concentration less than 100 μg/mL. Dissolve the lyophilized protein in ddH2O. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Buffer
Supplied as a 0.2 μm filtered solution of 20 mM TrisHCl, 150 mM NaCl, pH 8.0.
Conseil sur la manipulation
Always centrifuge tubes before opening. Do not mix by vortex or pipetting.
Stock
-80 °C
Stockage commentaire
Store at < -20°C, stable for 6 months after receipt. Please minimize freeze-thaw cycles.
Complement Factor B (CFB) belongs to the peptidase S1 family of enzymes. It is expressed by hepatocytes and macrophages and localizes to the major histocompatibility complex (MHC) class III region on chromosome 6. CFB which is a component of the alternate pathway of the complement system is cleaved by factor D into 2 fragments: Ba and Bb. Bb. The active subunit Bb is a serine protease which associates with C3b to form the alternative pathway C3 convertase. Bb is involved in the proliferation of preactivated B lymphocytes, while Ba inhibits their proliferation. Alternative Names: Complement Factor B, C3/C5 Convertase, Glycine-Rich Beta Glycoprotein, GBG, PBF2, Properdin Factor B, CFB, BF, BFD