Complement factor B (CFB) (NM_001710) Human Recombinant Protein

Specifications

Product Data
Species	Human
Expression Host	HEK293
Expression cDNA Clone or AA Sequence	Protein Sequence (showhide) Thr26-Leu764
Tag	C-His
Predicted MW	84.07 kDa
Purity	>95% as determined by SDS-PAGE and Coomassie blue staining
Buffer	Supplied as a 0.2 um filtered solution of 20mM Tris-HCl, 150mM NaCl, pH 8.0.
Storage	Store at < -20°C, stable for 6 months after receipt. Please minimize freeze-thaw cycles.
Stability	Stable for at least 6 months from date of receipt under proper storage and handling conditions.
Endotoxin	Endotoxin level is < 0.1 ng/µg of protein (< 1 EU/µg)
Reference Data
RefSeq	NP_001701
Locus ID	629
UniProt ID	P00751
Refseq Size	2646
Cytogenetics	6p21.33
Refseq ORF	2292
Synonyms	AHUS4; ARMD14; BF; BFD; CFAB; CFBD; FB; FBI12; GBG; H2-Bf; PBF2
Summary	This gene encodes complement factor B, a component of the alternative pathway of complement activation. Factor B circulates in the blood as a single chain polypeptide. Upon activation of the alternative pathway, it is cleaved by complement factor D yielding the noncatalytic chain Ba and the catalytic subunit 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. This gene localizes to the major histocompatibility complex (MHC) class III region on chromosome 6. This cluster includes several genes involved in regulation of the immune reaction. Polymorphisms in this gene are associated with a reduced risk of age-related macular degeneration. The polyadenylation site of this gene is 421 bp from the 5' end of the gene for complement component 2. [provided by RefSeq, Jul 2008]
Protein Families	Druggable Genome, Protease, Secreted Protein
Protein Pathways	Complement and coagulation cascades

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