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分子别名（Synonym）
IDO, IDO-1, INDO
表达区间及表达系统（Source）
Human IDO1 Protein, His Tag (ID1-H5143) is expressed from E. coli cells. It contains AA Ala 2 - Gly 403 (Accession # P14902-1).
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 47.2 kDa. The protein migrates as 45-50 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE).
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method / rFC method.
纯度（Purity）
>90% as determined by SDS-PAGE.
制剂（Formulation）
Supplied as 0.2 μm filtered solution in 20 mM Tris, 300 mM NaCl, pH7.5 with glycerol as protectant.
Contact us for customized product form or formulation.
运输（Shipping）
This product is supplied and shipped with dry ice, please inquire the shipping cost.
存储（Storage）
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- The product MUST be stored at -70°C or lower upon receipt;
- -70°C for 3 months under sterile conditions.
质量管理控制体系（QMS）
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数据展示
电泳（SDS-PAGE）
Human IDO1 Protein, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Human IDO1 Protein, His Tag (Cat. No. ID1-H5143) is more than 85% and the molecular weight of this protein is around 40-60 kDa verified by SEC-MALS.
Report
活性（Bioactivity）
Measured by its ability to oxidize L-tryptophan to N-formyl-kynurenine. The specific activity is >400 pmol/min/μg (QC tested).
Protocol
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