PROVETOP

Human Peptide Ready HLA-A*24:02&B2M Monomer Protein, Ultra Low Endotoxin

Catalog No: HLAA2402-HP002

Species
Human
Expression System
HEK293
Tag
His, Avi
Activity
Activity verified

Product overview

Recombinant Human Peptide Ready HLA-A*24:02&B2M Monomer Protein is expressed from HEK293 with His tag and Avi tag at the C-terminus. It contains Gly25-Thr305(HLA-A*24:02) and Ile21-Met119(B2M) (accession: AAA59600.1(HLA-A*24:02) & P61769(B2M)).

Product Details

Molecular Aliases
MHC; HLA-A; Peptide Ready
Protein Length
Gly25-Thr305
Expression System
HEK293
Theoretical Molecular Weight
The protein has a predicted MW of 48.30 kDa. Due to glycosylation, the protein migrates to 50-60 kDa based on Bis-Tris PAGE result.
Purity
> 95% as determined by Bis-Tris PAGE > 95% as determined by HPLC
Endotoxin
Less than 0.01 EU per μg by the LAL method.
Buffer / Formulation
Lyophilized from 0.22 μm filtered solution in PBS, 100mM L-Arginine (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
State
Lyophilized
Storage Conditions
-20 to -80°C for 12 months as supplied from date of receipt. -80°C for 3 months after reconstitution. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
Reconstitution Advice
Dissolve the lyophilized protein in distilled water. Please refer to the Certificate of Analysis for detailed instructions.

Data Display

Bis-Tris PAGE
HLAA2402-HP002 Bis-Tris-PAGE-white result

Human Peptide Ready HLA-A*24:02&B2M Monomer on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

SEC-HPLC
HLAA2402-HP002 SEC-HPLC result

The purity of Human Peptide Ready HLA-A*24:02&B2M Monomer is greater than 95% as determined by SEC-HPLC.

ELISA
HLAA2402-HP002 ELISA result

Immobilized Human Peptide Ready HLA-A*24:02&B2M Monomer, His Tag at 0.5μg/ml (100μl/well) on the plate. Dose response curve for Anti-HLA class I (W6/32) Antibody, hFc Tag with the EC50 of 3.4ng/ml determined by ELISA (QC Test).

Background

Peptide Ready HLA-A*24:02&B2M Monomer is absent from peptide, namely peptide-receptive MHC. It can be loaded with antigenic peptides matching HLA-A*24:02. Peptide ready MHC molecules comprising human HLA alleles and B2M, which can be readily tetramerized and loaded with peptides of choice in a high-throughput manner.

References

  1. [1] Moritz A, Anjanappa R, Wagner C, Bunk S, Hofmann M, Pszolla G, Saikia A, Garcia-Alai M, Meijers R, Rammensee HG, Springer S, Maurer D. High-throughput peptide-MHC complex generation and kinetic screenings of TCRs with peptide-receptive HLA-A*02:01 molecules. Sci Immunol. 2019 Jul 19;4(37):eaav0860.
  2. [2] Sun Y, Young MC, Woodward CH, Danon JN, Truong H, Gupta S, Winters TJ, Burslem G, Sgourakis NG. Universal open MHC-I molecules for rapid peptide loading and enhanced complex stability across HLA allotypes. bioRxiv [Preprint]. 2023 Mar 18:2023.03.18.533266.

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