SARS S1 Protein, mFc Tag_天津卡梅德科技发展有限公司

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SARS S1 Protein, mFc Tag

SARS S1 Protein, mFc Tag

产品编号

KMP4898

别名

冠状病毒刺突蛋白S1, SARS S1, Spike1 Protein, SARS S1 Protein

规格

50ug
100ug
200ug

DATASHEET MSDS

立即询价加入询价列表大包装定制

产品介绍

Catalog Number	KMP4898
Alias	冠状病毒刺突蛋白S1, SARS S1, Spike1 Protein, SARS S1 Protein
Size	50ug, 100ug, 200ug
Product Description	The SARS S1 Protein(KMP4898) is produced in HEK293 Cells. A DNA sequence encoding the SARS-CoV (isolate:WH20) spike (S1 Subunit)(AAX16192.1) (Met1-Arg667) was expressed with the Fc region of mouse IgG1 at the C-terminus.
Molecular Name	SARS S1
Species	SARS
Host	HEK293 Cells
Purity	>90% as determined by SDS-PAGE
Purification	Affinity purification
Storage Condition	Aliquot and store at -20℃ to -80℃. Avoid repeated freezing and thawing cycles.
Formulation	50mM Tris, 500mM NaCl, pH8.0
Shipping Condition	In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature. If supplied as liquid, the proteins will be shipped with dry ice.
Endotoxin	<1.0 EU/ug determined by the LAL method

FAQ

Q1-S1与全长Spike蛋白的应用区别是什么？

S1聚焦受体结合域（RBD）研究，适用于抗体中和及诊断，而全长Spike更适用于膜融合或疫苗开发。
Q2-mFc标签是否干扰ACE2结合？

标签位于C端，经SPR验证不影响与ACE2受体的结合活性（KD≈1 nM）。
Q3-能否用于ELISA检测患者血清抗体？

是的，作为包被抗原时灵敏度高，可检测SARS康复者血清中的IgG/IgM。
Q4-是否提供糖基化位点分析？

可提供质谱鉴定的N-糖基化图谱（如Asn-330、Asn-357），需额外订购。
Q5-运输过程中如何维持活性？

液氮速冻后干冰运输，到货后立即-80℃保存，避免温度波动导致变性。

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