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Synonyms: SP-A1, SP-A, SFTPA1B, SFTPA1, SFTPA, SFTP1, Pulmonary surfactant-associated protein A1, PSP-A, PSPA, PSAP, Collectin-4, COLEC4, Alveolar proteinosis protein, 35 kDa pulmonary surfactant-associated protein


| Pack Size | Price | USA Stock | Global Stock | Quantity |
|---|---|---|---|---|
| 5 μg | $276 | 20 days | 20 days | |
| 10 μg | $463 | 20 days | 20 days | |
| 20 μg | $780 | 20 days | 20 days | |
| 50 μg | $987 | 20 days | 20 days | |
| 100 μg | $1,260 | 20 days | 20 days |
| Bioactivity | 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 | In presence of calcium ions, it binds to surfactant phospholipids and contributes to lower the surface tension at the air-liquid interface in the alveoli of the mammalian lung and is essential for normal respiration. Enhances the expression of MYO18A/SP-R210 on alveolar macrophages.; (Microbial infection) Recognition of M.tuberculosis by dendritic cells may occur partially via this molecule. Can recognize, bind, and opsonize pathogens to enhance their elimination by alveolar macrophages. SFTPA1 Protein, Human, Recombinant (B2M & His & Myc) is expressed in E. coli expression system with N-10xHis-B2M and C-Myc tag. The predicted molecular weight is 41.2 kDa and the accession number is Q8IWL2. |
| Species | Human |
| Expression System | E. coli |
| Tag | N-10xHis-B2M, C-Myc |
| Accession Number | Q8IWL2 |
| Amino Acid | EVKDVCVGSPGIPGTPGSHGLPGRDGRDGLKGDPGPPGPMGPPGEMPCPPGNDGLPGAPGIPGECGEKGEPGERGPPGLPAHLDEELQATLHDFRHQILQTRGALSLQGSIMTVGEKVFSSNGQSITFDAIQEACARAGGRIAVPRNPEENEAIASFVKKYNTYAYVGLTEGPSPGDFRYSDGTPVNYTNWYRGEPAGRGKEQCVEMYTDGQWNDRNCLYSRLTICEF |
| Construction | 21-248 aa |
| Protein Purity | > 90% as determined by SDS-PAGE. |
| Endotoxin | < 1.0 EU/μg of the protein as determined by the LAL method. |
| Formulation | Lyophilized from Tris/PBS-based buffer, 6% Trehalose, pH 8.0 |
| Reconstitution | A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information. |
| Stability & Storage | 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 shipped with blue ice, while solutions are shipped with dry ice. |
| Synonyms | SP-A1, SP-A, SFTPA1B, SFTPA1, SFTPA, SFTP1, Pulmonary surfactant-associated protein A1, PSP-A, PSPA, PSAP, Collectin-4, COLEC4, Alveolar proteinosis protein, 35 kDa pulmonary surfactant-associated protein |
| Research Background |
| Molecular Weight | 41.2 kDa (predicted) |
| Storage | Lyophilized powder: -20~-80°C for 1 year | Solution: -80°C for 6 months |
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