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Human B7-H5 / Gi24 / VISTA Protein, His Tag

分子别名(Synonym)

B7-H5,SISP1,Gi24,VISTA

表达区间及表达系统(Source)

Human B7-H5, His Tag (B75-H52H0) is expressed from human 293 cells (HEK293). It contains AA Phe 33 - Ala 194 (Accession # AAH20568).

Predicted N-terminus: Phe 33

蛋白结构(Molecular Characterization)

Online(Phe 33 - Ala 194) AAH20568

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 20.0 kDa. The protein migrates as 33-45 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. 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)

Human B7-H5, His Tag (Cat. No. B75-H52H0) SDS-PAGE gel

Human B7-H5, 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)-SPR

Biotinylated Human SPR

Captured Human VSIG3 Protein, Fc Tag on CM5 chip via Anti-human IgG Fc antibodies surface can bind Human B7-H5, His Tag (Cat. No. B75-H52H0) with an affinity constant of 31.5 μM as determined in a SPR assay (Biacore T200) (Routinely tested).

Protocol

Biotinylated Human SPR

Human VSIG3, Fc Tag (Cat. No. VS3-H5258) captured on CM5 chip via Anti-human IgG Fc antibodies surface can bind Human B7-H5, His Tag (Cat. No. B75-H52H0) with an affinity constant of 53.4 μM as determined in a SPR assay (Biacore T200) (Routinely tested).

Protocol

 

活性(Bioactivity)-BLI

Biotinylated Human BLI

Loaded Human VSIG3, Fc Tag (Cat. No. VS3-H5258) on AHC Biosensor, can bind Human B7-H5, His Tag (Cat. No. B75-H52H0) with an affinity constant of 16 μM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

Protocol

 

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

 
货号/价格

B75-H52H0-100ug / ¥2800

B75-H52H0-1mg / ¥18000

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