Recombinant Human Complement Factor B/CFB Protein (His Tag) (PKSH032272)
For research use only.
Synonyms | BF, BFD, C3/C5 Convertase, CFB, Complement Factor B, GBG, Glycine-Rich Beta Glycoprotein, PBF2, Properdin Factor B |
Species | Human |
Expression Host | HEK293 Cells |
Sequence | Thr 26-Leu764 |
Accession | AAH04143.1 |
Calculated Molecular Weight | 84.1 kDa |
Observed Molecular Weight | 90-120 kDa |
Tag | C-His |
Bio-activity | Not validated for activity |
Purity | > 95 % as determined by reducing SDS-PAGE. |
Endotoxin | < 1.0 EU per μg of the protein as determined by the LAL method. |
Storage | Store at < -20°C, stable for 6 months. Please minimize freeze-thaw cycles. |
Shipping | This product is provided as liquid. It is shipped at frozen temperature with blue ice/gel packs. Upon receipt, store it immediately at < - 20°C. |
Formulation | Supplied as a 0.2 μm filtered solution of 20mM Tris-HCl, 150mM NaCl, pH 8.0. |
Reconstitution | Not Applicable |
Background | 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. |
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