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Product Details
Synonyms
DKK1, SK
Source
Human Dkk-1 Protein, His Tag, premium grade (DK1-H5221) is expressed from human 293 cells (HEK293). It contains AA Thr 32 - His 266 (Accession # NP_036374.1).
Predicted N-terminus: Thr 32
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.
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 26.6 kDa. The protein migrates as 35-45 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 0.01 EU per μg by the LAL method / rFC method.
Sterility
Negative
Purity
>90% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
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.
Shipping and Storage
This product is shipped at ambient temperature.
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.
ACRO Quality Management System
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Performance Data
SDS-PAGE
Human Dkk-1 Protein, His 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 90% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Human Dkk-1 Protein, His Tag, premium grade (Cat. No. DK1-H5221) is more than 95% and the molecular weight of this protein is around 30-46 kDa verified by SEC-MALS.
Report
Bioactivity-CELL BASE
Human Dkk-1 Protein, His Tag, premium grade (Cat.No. DK1-H5221) inhibits Wnt induced TCF reporter activity in HEK293 cells. Human Dkk-1 inhibits a constant dose of 0.03 µg/mL of Wnt surrogate. The EC50 for this effect is 0.050 µg/mL.
Protocol
Bioactivity-ELISA
Immobilized Human Dkk-1 Protein, His Tag, premium grade (Cat. No. DK1-H5221) at 5 μg/mL (100 μL/well) can bind Human LRP-5, Mouse IgG2a Fc Tag (Cat. No. LR5-H5254) with a linear range of 0.01-0.156 μg/mL (QC tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
Dickkopf-related protein 1
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
4 Details
- Highest Development Stage：
Phase 2 Clinical
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