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分子别名（Synonym）
IL6,Interleukin-6,BSF2,HSF,IFNB2
表达区间及表达系统（Source）
Biotinylated Human IL-6, epitope tag free, primary amine labeling (IL6-H8218) is expressed from human 293 cells (HEK293). It contains AA Val 30 - Met 212 (Accession # P05231-1).
Predicted N-terminus: Val 30
Request for sequence蛋白结构（Molecular Characterization）
This protein carries no "tag".
The protein has a calculated MW of 20.8 kDa. The protein migrates as 23-25 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
偶联（Conjugate）
Biotin
标记（Labeling）
The primary amines in the side chains of lysine residues and the N-terminus of the protein are conjugated with biotins using standard chemical labeling method. A standard biotin reagent (13.5 angstroms) is used in this product.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
95% as determined by SDS-PAGE.
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）
产品展示
电泳（SDS-PAGE）
Biotinylated Human IL-6, epitope tag free, primary amine labeling 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).
活性（Bioactivity）-ELISA
Immobilized Human IL-6 R alpha, Fc Tag (Cat. No. ILR-H5259) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-6, epitope tag free, primary amine labeling (Cat. No. IL6-H8218) with a linear range of 0.5-16 ng/mL (QC tested).
Protocol
活性（Bioactivity）-BLI
Loaded Biotinylated Human IL-6, epitope tag free, primary amine labeling (Cat. No. IL6-H8218) on SA Biosensor, can bind Human IL-6 R alpha, His Tag (Cat. No. ILR-H4223) with an affinity constant of 45.9 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
活性（Bioactivity）-CELL BASE
Biotinylated Human IL-6, epitope tag free, primary amine labeling (Cat. No. IL6-H8218) stimulates proliferation of TF-1 human erythroleukemic cell line. The EC50 for this effect is 0.2532-0.4489 ng/mL (Routinely tested).
Protocol
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