Recombinant Human Cystatin SN/CST1 Protein, C-His tag
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产品编号
KMH975
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别名
半胱氨酸蛋白酶抑制剂SN, cystatin SN
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规格
- 20ug
- 50ug
- 100ug
- 200ug
- 1mg
产品介绍
| Catalog Number | KMH975 |
| Alias | 半胱氨酸蛋白酶抑制剂SN, cystatin SN |
| Size | 20ug, 50ug, 100ug, 200ug, 1mg |
| Product Description | KMH975 Recombinant Human Cystatin SN/CST1 Protein, C-His tag contains the human CST1(21-141 aa) was expressed in Mammalian cells. |
| Molecular Name | CST1 |
| Product Introduction | CST1 (KMH975) 参与免疫反应，具有抑制蛋白酶活性的功能，保护组织免受损伤。 |
| Molecular Weight | 16 kDa |
| Expression System | HEK293F Cells |
| Species | Human |
| Concentration | 联系销售经理获得最新批次的浓度 |
| Purity | ≥95% |
| SDS-PAGE |  |
| Purification | Affinity Purification |
| Uniprot ID | P01037 |
| Storage Condition | Store the product under sterile conditions after opening at -80℃ for 12 months. Store the lyophilized powder at -20℃. Avoid repeated freeze-thaw cycles. |
| Formulation | PBS |
| Shipping Condition | This product is shipped on ice packs or dry ice. |
| Background | CST1 is a member of the type 2 salivary cystatin family found in a variety of fluids and secretions, including plasma, tears, and saliva. The cystatin superfamily encompasses proteins that contain multiple cystatin-like sequences. Some of the members are active cysteine protease inhibitors, while others have lost or perhaps never acquired this inhibitory activity. CST1 was upregulated in cancerous lesions of gastric cancer tissues compared to noncancerous regions and clinicopathological analysis showed a significant correlation between high expression of CST1. |
| Endotoxin | < 0.1 EU per ug |
| Protein Family | Other protein |
| Biological Activity | Measured by its ability to inhibit active Cathepsin L cleavage of a fluorogenic peptide substrate Z-LR-AMC. The IC50 value is <11.0 nM. |
| Product Declaration | 该产品仅供科研使用，不可直接用于人体或注射。 |
FAQ
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如何储存293F细胞中表达的蛋白？
蛋白可以在-80°C下储存以便长期保存。应分装并避免冻融循环，以保持蛋白的稳定性。
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如何提高293F细胞中的蛋白表达效率？
可以通过优化质粒设计、使用高效转染试剂、优化细胞培养条件以及使用蛋白折叠伴侣或密码子优化来提高蛋白表达效率。
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