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分子别名（Synonym）
SOD1,Superoxide dismutase 1,hSod1
表达区间及表达系统（Source）
Human SOD1, His Tag (SO1-H5148) is expressed from E. coli cells. It contains AA Ala 2 - Gln 154 (Accession # P00441).
Predicted N-terminus: Met
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 16.8 kDa. The protein migrates as 19-21 kDa under reducing (R) condition (SDS-PAGE).
偶联（Conjugate）
Unconjugated
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>97% as determined by SDS-PAGE.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 150 mM NaCl, pH7.5 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）
数据展示
电泳（SDS-PAGE）
Human SOD1, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 97%.
活性（Bioactivity）
Measured by its ability to catalyzes the dismutation of the superoxide anion into hydrogen peroxide and molecular oxygen. One Unit is defined as the amount of SOD that inhibits the xanthine oxidase activity by 50% (IC50 (µg)) under the assay conditions. The specific activity is >40,000 U/mg (QC tested).
Protocol
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