Human HLA-G&B2M&Peptide (RIIPRHLQL) Tetramer Protein (HLG-HM41CT)
Catalog: HLG-HM41CT
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| Product Description | Recombinant Human HLA-G&B2M&Peptide (RIIPRHLQL) Tetramer Protein is expressed from HEK293 with His tag and Avi tag at the C-Terminus,tetramer is assembled by biotinylated monomer and streptavidin.It contains Gly25-Thr305(HLA-G),Ile21-Met119(B2M) and RIIPRHLQL peptide. |
Product Background |
HLA-G is a molecule that was first known to confer protection to the fetus from destruction by the immune system of its mother, thus critically contributing to fetal-maternal tolerance. The first functional finding constituted the basis for HLA-G research and can be summarized as such: HLA-G, membrane-bound or soluble, strongly binds its inhibitory receptors on immune cells (NK, T, B, monocytes/dendritic cells), inhibits the functions of these effectors, and so induces immune inhibition. |
Product Category |
Recombinant Protein |
Target |
HLA-G&B2M&Peptide (RIIPRHLQL) Tetramer |
| Synonyms | HLA G antigen; sHLA-G; b2 microglobulin; HLA G; HLAG; HLA-G; MHC Class I Antigen G; MHC class Ib antigen; MHC-G; sHLA-G |
| MHC Form | Tetramer |
| Allele | HLA-G |
Gene/Protein ID |
P17693-1(HLA-G)&P61769(B2M)&RIIPRHLQL |
Species |
Human |
Exact Sequence |
Gly25-Thr305(HLA-G),Ile21-Met119(B2M)and RIIPRHLQL peptide |
| Molecular Weight | The protein has a predicted MW of 258 kDa. Due to glycosylation, the protein migrates to 260-265 kDa under Non reducing (N) condition based on Tris-Bis PAGE result. |
Activity |
Immobilized Human HLA-G&B2M&Peptide (RIIPRHLQL) Tetramer, His Tag at 0.5ug/ml (100ul/well) on the plate. Dose response curve for Anti-HLA-G Antibody, hFc Tag with the EC50 of 6.2ng/ml determined by ELISA (QC Test). The affinity constant of 4.62 nM as determined in SPR assay (Biacore T200). See testing image for detail. |
Product Tag |
C-His-Avi |
Express System |
HEK293 |
| Purity | > 95% as determined by Tris-Bis PAGE;> 90% as determined by HPLC |
| Endotoxin | Less than 1EU per ug by the LAL method. |
| Form | Lyophilized |
| Shipping | Shipped at ambient temperature. |
| Formulation | Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
| Reconstitution | Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water. |
| Stability And Storage | Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. |
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Human LILRB2, hFc Tag captured on CM5 Chip via Protein A can bind Human HLA-G&B2M&Peptide (RIIPRHLQL) Tetramer with an affinity constant of 4.62 nM as determined in SPR assay (Biacore T200). |
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Human HLA-G&B2M&Peptide (RIIPRHLQL) Tetramer, His Tag immobilized on CM5 Chip can bind Human LILRB2 Domain1&2, His Tag with an affinity constant of 6.5uM as determined in a SPR assay (Biacore T200). |
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Immobilized Human HLA-G&B2M&Peptide (RIIPRHLQL) Tetramer, His Tag at 0.5ug/ml (100ul/well) on the plate. Dose response curve for Anti-HLA-G Antibody, hFc Tag with the EC50 of 6.2ng/ml determined by ELISA (QC Test). |
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Serial dilutions of Anti-LILRB2 Antibody were added into Human HLA-G&B2M&Peptide (RIIPRHLQL) Tetramer, His Tag : Human LILRB2, mFc Tag binding reactioins. The half maximal inhibitiory concentration (IC50) is 0.11ug/ml. |
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The purity of Human HLA-G&B2M&Peptide (RIIPRHLQL) Tetramer is greater than 90% as determined by SEC-HPLC. |
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Human HLA-G&B2M&Peptide (RIIPRHLQL) Tetramer on Tris-Bis PAGE under Non reducing (N) condition. The purity is greater than 95%. |
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