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分子别名（Synonym）
CD74,DHLAG,HLADG,II,Ia-GAMMA,p33,CLIP,INVG34
表达区间及表达系统（Source）
Human CD74, His Tag (CD4-H524c) is expressed from human 293 cells (HEK293). It contains AA Gln 73 - Met 232 (Accession # NP_004346.1).
Predicted N-terminus: His
Request for sequence蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the N-terminus.
The protein has a calculated MW of 19.3 kDa. The protein migrates as 28-35 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
偶联（Conjugate）
Unconjugated
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>95% as determined by SDS-PAGE.
>90% as determined by SEC-HPLC.
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）
Human CD74, His Tag 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 Human CD74, His Tag (Cat. No. CD4-H524c) was greater than 90% as determined by SEC-HPLC.
活性（Bioactivity）-SPR
Anti-CD74 Antibody immobilized on CM5 Chip can bind Human CD74, His Tag (Cat. No. CD4-H524c) with an affinity constant of 0.867 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
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