The E.Coli derived Recombinant Hepatitis B Surface Antigen preS1 is a single non-glycosylated polypeptide chain containing 119 amino acids and having a molecular weight of 12.6 kDa.
HBsAg preS1
目录号: GP25349纯度: >98%
乙型肝炎表面抗原，preS1 重组体
| 规格 | 价格 | 库存 | 数量 | 操作 |
|---|---|---|---|---|
| 10μg | ¥770.00 | 现货 | 1 | |
| 50μg | ¥2,030.00 | 现货 | 1 | |
| 1mg | ¥28,490.00 | 现货 | 1 |
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Nature641, 529–536 (2025)
Nature628, 630–638 (2024)
Nature632, 686–694 (2024)
Nature618, 1017–1023 (2023)
Nature610, 366–372 (2022)
Cell187(9):2288-2304 (2024)
Cell183(7):1867-1883 (2020)
Science388(6745) (2025)
Science387(6739) (2025)
Science387(6734) (2025)
Cell Research35, 97–116 (2025)
Cell Research34, 683–706 (2024)
Cell Research33, 273–287 (2023)
Cell Research33, 546–561 (2023)
Cell Research33, 904–922 (2023)
Cell Research31, 1291–1307 (2021)
产品描述 Description
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Purity:>98%
Product Data
Purity
Greater than 97.0% as determined by:(a) Analysis by RP-HPLC.(b) Analysis by SDS-PAGE.
Source
Escherichia Coli.
Shipping Condition
Shipped at Room temp.
Amino Acid Sequence
MGGWSSKPRQGMGTNLSVPNPLGFFPDHQLDPAFGANSNNPDWDFNPNKDHWPEAHQVGAGAFGPGFTPPHGGLLGWSPQAQGILTTVPVAPPPASTNRQSGRQPTPISPPLRDSHPQA.
Solubility
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at <-20°C . Further dilutions should be made in appropriate buffered solutions.
Stability
This lyophilized HBsAg preparation is stable at 2-8°C , but should be kept at -20°C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8°C . For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20°C to -70°C .Avoid repeated freeze/thaw cycles.
Formulation
HBsAg protein was lyophilized from 0.2μm filtered (1mg/ml) solution in 20mM PB, pH 7.4, and 50mM NaCl.