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Biotinylated Human B7-H5 / Gi24 / VISTA Protein, Avitag™,His Tag

分子别名(Synonym)

B7-H5,SISP1,Gi24,VISTA

表达区间及表达系统(Source)

Biotinylated Human B7-H5, Avitag,His Tag (B75-H82E1) is expressed from human 293 cells (HEK293). It contains AA Phe 33 - Ala 194 (Accession # AAH20568.1).

Predicted N-terminus: Phe 33

蛋白结构(Molecular Characterization)

Online(Phe 33 - Ala 194 ) AAH20568.1

This protein carries an Avi tag (Avitag™) at the C-terminus, followed by a polyhistidine tag.

The protein has a calculated MW of 20.8 kDa. The protein migrates as 36-47 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

标记(Biotinylation)

Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.

蛋白标记度(Biotin:Protein Ratio)

The biotin to protein ratio is 0.5-1 as determined by the HABA assay.

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. Normally trehalose is added as protectant before lyophilization.

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 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Biotinylated Human B7-H5, Avitag,His Tag (Cat. No. B75-H82E1) SDS-PAGE gel

Biotinylated Human B7-H5, Avitag,His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

活性(Bioactivity)-BLI

Biotinylated Human BLI

Loaded Biotinylated Human B7-H5, Avitag,His Tag (Cat. No. B75-H82E1) on SA Biosensor, can bind Human VSIG3, Fc Tag (Cat. No. VS3-H5258) with an affinity constant of 0.312 μM as determined in BLI assay (ForteBio Octet Red96e) (QC tested).

Protocol

 

文献引用(Citations)

 

背景(Background)

Platelet receptor Gi24, also known as B7-H5 and stress-induced secreted protein-1 (Sisp-1), is a protein that in humans is encoded by the C10orf54 gene, which contains 1 Ig-like (immunoglobulin-like) domain. As for C10orf54 gene, C10orf54 appears to positively interact with BMP-4, potentiating BMP signaling and the transition from an undifferentiated to a differentiated state on ESCs. Human C10orf54 undergoes proteolytic cleavage by MT1-MMP, generating a soluble 30 kDa extracellular fragment plus a 25-30 kDa membrane-bound fragment.

 

前沿进展

 
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B7-H5靶点信息
英文全称:V-domain Ig suppressor of T-cell activation
中文全称:T细胞活化的免疫球蛋白抑制V型结构域
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:2详情
最高研发阶段:临床二期
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