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分子别名（Synonym）
CD89,FCAR,IgA Fc receptor
表达区间及表达系统（Source）
Biotinylated Human CD89 Protein, His,Avitag (CD9-H82Eb) is expressed from human 293 cells (HEK293). It contains AA Gln 22 - Asn 227 (Accession # P24071-1).
Predicted N-terminus: Gln 22
Request for sequence蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™).
The protein has a calculated MW of 27.1 kDa. The protein migrates as 40-55 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
标记（Labeling）
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
蛋白标记度（Protein Ratio）
Passed as determined by the HABA assay / binding ELISA.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method / rFC method.
纯度（Purity）
>95% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（Reconstitution）
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储（Storage）
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
质量管理控制体系（QMS）
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数据展示
电泳（SDS-PAGE）
Biotinylated Human CD89 Protein, His,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Biotinylated Human CD89 Protein, His,Avitag (Cat. No. CD9-H82Eb) is more than 95% and the molecular weight of this protein is around 40-55 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Human Anti-VP1 (NoV)-antibody-NORO-320, Human IgA2 | Human Kappa at 1 μg/mL (100 μL/well) can bind Biotinylated Human CD89 Protein, His,Avitag (Cat. No. CD9-H82Eb) with a linear range of 2-63 ng/mL (QC tested).
Protocol
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