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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, Mouse, Recombinant (His) is expressed in HEK293 mammalian cells with C-His tag. The predicted molecular weight is 66.39 kDa and the accession number is Q61129.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 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 |
| 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, Mouse, Recombinant (His) is expressed in HEK293 mammalian cells with C-His tag. The predicted molecular weight is 66.39 kDa and the accession number is Q61129. |
| Species | Mouse |
| Expression System | HEK293 Cells |
| Tag | C-His |
| Accession Number | Q61129 |
| Synonyms | KAF,IF,I factor (complement),FIC3b-INA,CFI,C3BINA,C3B/C4B inactivator |
| Construction | Arg19-Val603 |
| Protein Purity | > 90% as determined by Tris-Bis PAGE; > 90% as determined by HPLC |
| Molecular Weight | 66.39 kDa (predicted). Due to autocatalytic cleavage and glycosylation, the protein migrates to 80-100 kDa 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 50 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. |

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