Species : |
Human |
Source : |
E.coli |
Tag : |
His&T7 |
Protein Length : |
Gln46~Cys282 |
Description : |
This gene encodes a type I membrane protein that is a member of the immunoglobulin superfamily. This protein is expressed by antigen-presenting cells, and it is the ligand for two proteins at the cell surface of T cells, CD28 antigen and cytotoxic T-lymphocyte-associated protein 4. Binding of this protein with CD28 antigen is a costimulatory signal for activation of the T-cell. Binding of this protein with cytotoxic T-lymphocyte-associated protein 4 negatively regulates T-cell activation and diminishes the immune response. Alternative splicing results in several transcript variants encoding different isoforms. |
Form : |
Freeze-dried powder |
Molecular Mass : |
Predicted Molecular Mass: 30.9kDa |
Endotoxin : |
<1.0EU per 1µg (determined by the LAL method) |
Purity : |
>95% |
Characteristic : |
The isoelectric point is 8.2. |
Applications : |
SDS-PAGE; WB; ELISA; IP |
Stability : |
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37°C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition. |
Storage : |
Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months. |
Storage buffer : |
Supplied as lyophilized form in PBS, pH7.4, containing 5% trehalose, 0.01% sarcosyl |
Reconstitution : |
Reconstitute in sterile PBS, pH7.2-pH7.4 |