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分子别名（Synonym）
Interleukin-27, IL27A&IL27B, EBI3&p28
表达区间及表达系统（Source）
Human IL-27 Protein, Fc Tag, premium grade (IL7-H5254) is expressed from human 293 cells (HEK293). It contains AA Phe 29 - Pro 243 & Arg 21 - Lys 229 (Accession # Q8NEV9-1 & Q14213-1).
Predicted N-terminus: Phe 29
It is produced under our rigorous quality control system that incorporates a comprehensive set of tests including sterility and endotoxin tests. Product performance is carefully validated and tested for compatibility for cell culture use or any other applications in the early preclinical stage. When ready to transition into later clinical phases, we also offer a custom GMP protein service that tailors to your needs. We will work with you to customize and develop a GMP-grade product in accordance with your requests that also meets the requirements for raw and ancillary materials use in cell manufacturing of cell-based therapies.
蛋白结构（Molecular Characterization）
This protein carries a human IgG1 Fc tag at the C-terminus.
The protein has a calculated MW of 75.9 kDa. The protein migrates as 44 kDa, 48 kDa and 90-95 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
内毒素（Endotoxin）
Less than 0.1 EU per μg by the LAL method / rFC method.
无菌（Sterility）
Negative
支原体（Mycoplasma）
Negative
纯度（Purity）
>85% 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）
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数据展示
电泳（SDS-PAGE）
Human IL-27 Protein, Fc Tag, premium grade on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 85% (With Star Ribbon Pre-stained Protein Marker).
活性（Bioactivity）-ELISA
Immobilized Human IL-27 Protein, Fc Tag, premium grade (Cat. No. IL7-H5254) at 5 μg/mL (100 μL/well) can bind Human IL-27 Ra Protein, His Tag (Cat. No. ILA-H52Hb) with a linear range of 0.008-0.25 μg/mL (Routinely tested).
Protocol
活性（Bioactivity）-SPR
Human IL-27 Ra Protein, Fc Tag (Cat. No. ILA-H5254) immobilized on CM5 Chip can bind Human IL-27 Protein, Fc Tag, premium grade (Cat. No. IL7-H5254) with an affinity constant of 3.67 nM as determined in a SPR assay (Biacore 8K) (QC tested).
Protocol
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