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分子别名（Synonym）
LGR5, GPR49, GPR67, G-protein coupled receptor 49, G-protein coupled receptor 67, G-protein coupled receptor HG38, Leucine-rich repeat-containing G-protein coupled receptor 5
表达区间及表达系统（Source）
Human LGR5 protein, Fc Tag (LG5-H5253) is expressed from human 293 cells (HEK293). It contains AA Gly 22 - Arg 561 (Accession # O75473-1).
Predicted N-terminus: Gly 22
Request for sequence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 86.8 kDa. The protein migrates as 95-100 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 1.0 EU per μg by the LAL method / rFC method.
纯度（Purity）
>90% as determined by SDS-PAGE.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, 25 mM Arginine, 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）
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数据展示
电泳（SDS-PAGE）
Human LGR5 protein, Fc 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).
活性（Bioactivity）-ELISA
Immobilized Human R-Spondin 1, His Tag (Cat. No. RS1-H4221) at 5 μg/mL (100 μL/well) can bind Human LGR5 protein, Fc Tag (Cat. No. LG5-H5253) with a linear range of 0.3-10 ng/mL (QC tested).
Protocol
Immobilized Human LGR5 protein, Fc Tag (Cat. No. LG5-H5253) at 5 μg/mL (100 μL/well) can bind Human R-Spondin 3 (22-146), His Tag (Cat. No. RS6-H5222) with a linear range of 1-20 ng/mL (Routinely tested).
Protocol
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