膜杰作
Star Staining
分子别名（Synonym）
PVR,FLJ25946,PVS,CD155,TAGE4,HVED,NECL5
表达区间及表达系统（Source）
Rhesus macaque CD155 Protein, Fc Tag (CD5-R5253) is expressed from human 293 cells (HEK293). It contains AA Asp 28 - Asn 343 (Accession # Q0MSE6-1).
Predicted N-terminus: Asp 28
Request for sequence
蛋白结构（Molecular Characterization）
This protein carries a human IgG1 Fc tag at the C-terminus.
The protein has a calculated MW of 60.8 kDa. The protein migrates as 70-90 kDa when calibrated against Star Ribbon Pre-stained Protein Marker 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）
>90% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, 25 mM Arginine, 150 mM NaCl, pH7.5 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:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
电泳（SDS-PAGE）
Rhesus macaque CD155 Protein, Fc Tag 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 Rhesus macaque CD155 Protein, Fc Tag (Cat. No. CD5-R5253) is more than 90% and the molecular weight of this protein is around 145-175 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Rhesus macaque CD155 Protein, Fc Tag (Cat. No. CD5-R5253) at 5 μg/mL (100 μL/well) can bind Cynomolgus / Rhesus macaque TIGIT, Mouse IgG2a Fc Tag (Cat. No. TIT-C5253) with a linear range of 0.06-2 ng/mL (QC tested).
Protocol
Immobilized Cynomolgus / Rhesus macaque TIGIT, Mouse IgG2a Fc Tag (Cat. No. TIT-C5253) at 5 μg/mL (100 μL/well) can bind Rhesus macaque CD155 Protein, Fc Tag (Cat. No. CD5-R5253) with a linear range of 0.1-1 ng/mL (Routinely tested).
Protocol
背景（Background）
CD155 is a Type I transmembrane glycoprotein in the immunoglobulin superfamily. Commonly known as Poliovirus Receptor (PVR) due to its involvement in the cellular poliovirus infection in primates, CD155's normal cellular function is in the establishment of intercellular adherens junctions between epithelial cells.
CD155/PVR was originally isolated based on its ability to mediate polio virus attachment to host cells. The fulllength (or CD155 alpha isoform) is synthesized as a 417 amino acid (aa) precursor that contains a 20 aa signal sequence, a 323 aa extracellular region, a 24 aa TM segment and a 50 aa cytoplasmic tail. The extracellular region contains one N terminal V type and two C2 type Ig like domains.
CD155 is a transmembrane protein with 3 extracellular immunoglobulin-like domains, D1-D3, where D1 is recognized by the virus. Low resolution structures of CD155 complexed with poliovirus have been obtained using electron microscopy while a high resolution structures of theectodomain D1 and D2 of CD155 were solved by x-ray crystallography.
