Complement factor I Protein, Human, Recombinant (His)

Catalog No. TMPK-00776

Complement factor I (CFI) is a serine protease which plays a key role in the modulation of complement system and the induced-fit factor responsible for controlling the complement-mediated processes. Complement factor I Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with C-His tag. The predicted molecular weight is 64.58 kDa and the accession number is P05156.

Complement factor I Protein, Human, Recombinant (His)

Catalog No. TMPK-00776

Pack Size	Price	Availability
5 μg	$58	7-10 days
10 μg	$92	7-10 days
20 μg	$148	7-10 days
50 μg	$289	7-10 days
100 μg	$487	7-10 days
200 μg	$883	7-10 days
500 μg	$1,950	7-10 days

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Product Information

Biological Activity	Activity has not been tested. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first.
Description	Complement factor I (CFI) is a serine protease which plays a key role in the modulation of complement system and the induced-fit factor responsible for controlling the complement-mediated processes. Complement factor I Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with C-His tag. The predicted molecular weight is 64.58 kDa and the accession number is P05156.
Species	Human
Expression System	HEK293 Cells
Tag	C-His
Accession Number	P05156
Synonyms	KAF,IF,I factor (complement),FIC3b-INA,EC:3.4.21.45,CFI,C3BINA,C3B/C4B inactivator
Construction	Lys19-Val583
Protein Purity	> 95% as determined by Tris-Bis PAGE; > 95% as determined by HPLC
Molecular Weight	64.58 kDa (predicted). Due to enzyme lysis and glycosylation, the protein migrates to 75-95 kDa based on Tris-Bis PAGE result.
Endotoxin	< 1 EU/μg by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing 20 mM Tris, 150 mM NaCl (pH 8.0). Typically, 8% trehalose is incorporated as a protective agent before lyophilization.
Reconstitution	Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing.
Stability & Storage	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice.
Research Background	Complement factor I (CFI) is a serine protease which plays a key role in the modulation of complement system and the induced-fit factor responsible for controlling the complement-mediated processes.