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Product Details
Synonyms
CD33 antigen-like 3, SIGLEC-15, CD33L3, sialic acid-binding Ig-like lectin 15, Siglec15, Siglec-15
Source
Human Siglec-15, His Tag (SG5-H52H3) is expressed from human 293 cells (HEK293). It contains AA Phe 20 - Thr 263 (Accession # Q6ZMC9-1).
Predicted N-terminus: Phe 20
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 28.4 kDa. The protein migrates as 33-40 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
The protein is designed as a dimer.
Endotoxin
Less than 1.0 EU per μg by the LAL method / rFC method.
Purity
>90% as determined by SDS-PAGE.
Formulation
Lyophilized from 0.22 μm filtered solution in 50 mM MES, 150 mM NaCl, 0.5 M Arginine, pH5.5 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.
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 24 months in lyophilized state;
- -70°C for 12 months under sterile conditions after reconstitution.
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Performance Data
SDS-PAGE
Human Siglec-15, 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%.
SEC-MALS
The purity of Human Siglec-15, His Tag (Cat. No. SG5-H52H3) is more than 85% and the molecular weight of this protein is around 60-70 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Immobilized Human Siglec-15, His Tag (Cat. No. SG5-H52H3) at 1 μg/mL (100 μL/well) can bind Mouse Human chimeric mAb (5G12, Human IgG1) with a linear range of 0.2-2 ng/mL (QC tested).
Protocol
Immobilized Human Siglec-15, His Tag (Cat. No. SG5-H52H3) at 10 μg/mL (100 μL/well) can bind Neu5Ac(a2-6)GalNAc-PAA-biotin with a linear range of 0.078-0.313 μg/mL (Routinely tested).
Protocol
Customer Reviews Writing Reviews
1***22019-10-11
LikesSiglec-15 is a relatively new type of immune checkpoint molecule. In the process of antibody molecule screening, we used ACRO's Siglec-15 antigen. It has shown very good stability in protein-level binding experiments, and the bioactivity was also quite good which was verified in functional experiments.- 1***32019-10-11 LikesThe product is pretty good and the price is competitive. Besides, the delivery was fast. In particular, there is a literature introduction cited the product. It is obvious that each target has been carefully studied.
Background
Recent Advances
Drug Development Progress- English Name：
Sialic acid-binding Ig-like lectin 15
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
3 Details
- Highest Development Stage：
Phase 2 Clinical
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