Recombinant SARS-Cov-2 Spike RBD (B.1.640.2/IHU) Protein,His Tag

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Product no.96452ES Sizes3 options SourceYeasen · Official

Cat. No. 96452ES25

现货 ¥1,135.00

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96452ES25 25 μg ¥1,135.00 现货 Enquire

96452ES60 100 μg ¥4,505.00 现货 Enquire

96452ES76 500 μg ¥15,005.00 现货 Enquire

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Overview

Specifications

Brand翌圣生物 Yeasen

Cat.No96452ES

Specification高活性、高纯度、低内毒素、高批间一致性

Origin翌圣生物科技(上海)股份有限公司

适用物种种属 SARS-CoV-2

检测方法 SDS-PAGE SEC-HPLC LAL ELISA

生物特性参数 蛋白类型重组蛋白 种属来源SARS-CoV-2 生物活性ELISA Data: Immobilized SARS-Cov-2 Spike RBD (B.1.640.2/IHU) His Tag at 0.5μg/ml (100μl/well) on the plate. Dose response curve for Human ACE2 hFc Tag with the EC50 of 41.3ng/ml determined by ELISA.

技术参数纯度>95% as determined by SDS-PAGE and SEC-HPLC 内毒素水平<1 EU/μg (LAL method) 分子量Predicted MW 25.76 kDa; migrates to 35-40 kDa (glycosylation) by Bis-Tris PAGE 制剂形式Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. 活性EC50 = 41.3 ng/ml (Human ACE2 hFc Tag ELISA) 储存条件-25~-15℃保存，有效期1年；复溶后-85~-65℃保存3个月，避免反复冻融。 表达系统HEK293 标签C-His 复溶方法用蒸馏水溶解冻干蛋白。25μg或100μg建议复溶至0.5mg/mL，500μg或1mg建议1mg/mL。避免剧烈涡旋或摇晃，分装后-80℃保存，避免反复冻融。 外观Lyophilized Powder 表达序列Arg319-Phe541 (R346S N394S Y449N E484K F490S N501Y) 数据库编号QHD43416.1