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 >  Protein>Siglec-15 >SG5-H5253

Human Siglec-15 / CD33L3 Protein, Fc Tag

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分子别名(Synonym)

CD33 antigen-like 3,SIGLEC-15,CD33L3,sialic acid-binding Ig-like lectin 15,Siglec15,Siglec-15

表达区间及表达系统(Source)

Human Siglec-15, Fc Tag (SG5-H5253) is expressed from human 293 cells (HEK293). It contains AA Phe 20 - Thr 263 (Accession # Q6ZMC9-1 ).

Predicted N-terminus: Phe 20

Request for sequence

蛋白结构(Molecular Characterization)

Siglec-15 Structure

This protein carries a human IgG1 Fc tag at the C-terminus.

The protein has a calculated MW of 53.0 kDa. The protein migrates as 55-60 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>95% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 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:

  1. -20°C to -70°C for 24 months in lyophilized state;
  2. -70°C for 12 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Siglec-15 SDS-PAGE

Human Siglec-15, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

 

活性(Bioactivity)-ELISA

Siglec-15 ELISA

Immobilized Human Siglec-15, Fc Tag (Cat. No. SG5-H5253) at 5 μg/mL (100 μL/well) can bind Mouse Human chimeric MAb (5G12, Human IgG1) with a linear range of 0.4-6 ng/mL (QC tested).

Protocol

Siglec-15 BATCH ELISA
Siglec-15 ELISA

Immobilized Human Siglec-15, Fc Tag (Cat. No. SG5-H5253) at 10 μg/mL (100 μL/well) on Diamond Protein A Protein, His Tag precoated (0.5 μg/well) plate, can bind Neu5Ac(a2-6)GalNAc-PAA-biotin with a linear range of 0.078-1.25 μg/mL (Routinely tested).

Protocol

 

活性(Bioactivity)-SPR

Siglec-15 SPR

Immobilized Neu5Ac(a2-6)GalNAc-PAA-biotin on SA Chip can bind Human Siglec-15, Fc Tag (Cat. No. SG5-H5253) with an affinity constant of 4.49 μM as determined in a SPR assay (Biacore T200) (Routinely tested).

Protocol

 

活性(Bioactivity)-BLI

Siglec-15 BLI

Loaded Human Siglec-15, Fc Tag (Cat. No. SG5-H5253) on ProteinA Biosensor, can bind Neu5Ac(a2-6)GalNAc-PAA-biotin with an affinity constant of 0.78 μM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

Protocol

Siglec-15 BLI

Loaded Anti-Siglec-15 MAb (Mouse IgG) on AMC Biosensor, can bind Human Siglec-15, Fc Tag (Cat. No.SG5-H5253) with an affinity constant of 59.7 pM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

Protocol

 

活性(Bioactivity)-Bioactivity CELL BASE

Siglec-15 CELL

Human Siglec-15, Fc Tag (Cat. No. SG5-H5253) inhibits Anti-CD3-induced proliferation of PBMC. The ED50 for this effect is 0.46-0.54 μg/mL (Routinely tested).

Protocol

 

背景(Background)

Siglec-15 is a DAP12-associated immunoreceptor, which belongs to the immunoglobulin superfamily and SIGLEC (sialic acid binding Ig-like lectin) family. Siglecs are cell surface proteins that bind sialic acid. They are found primarily on the surface of immune cells and are a subset of the I-type lectins. Siglec-15 consisting of immunoglobulin (Ig)-like domains, transmembrane domain and a short cytoplasmic tail. Siglec-15 is that recognizes sialylated glycans and regulates osteoclast differentiation. Siglec-15 is a potential therapeutic target for osteoporosis and plays a conserved regulatory role in the immune system of vertebrates.

 

前沿进展

 
 
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Siglec-15靶点信息
英文全称:Sialic acid-binding Ig-like lectin 15
中文全称:唾液酸结合免疫球蛋白样凝集素-15
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:3详情
最高研发阶段:临床二期
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