PROVETOP

Human HLA-A*02:01&B2M&PRAME (ALYVDSLFFL) Tetramer Protein

Catalog No: PRAME-HP002

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

Product overview

Recombinant Human HLA-A*02:01&B2M&PRAME (ALYVDSLFFL) 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-A*02:01), Ile21-Met119 (B2M) and ALYVDSLFFL peptide (accession: P79603(HLA-A*02:01) & P61769(B2M) &ALYVDSLFFL).

Product Details

Molecular Aliases
PRAME; OIP-4; OIP4; MAPE;
Protein Length
Gly25-Thr305
Expression System
HEK293
Theoretical Molecular Weight
The protein has a predicted MW of 258 kDa. Due to glycosylation, the protein migrates to 260-265 kDa under Non reduced (N) condition based on Bis-Tris PAGE result.
Purity
> 95% as determined by Bis-Tris PAGE > 95% as determined by HPLC
Endotoxin
Less than 1 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
PRAME-HP002 Bis-Tris-PAGE-white result

Human HLA-A*02:01&B2M&PRAME (ALYVDSLFFL) Tetramer on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

SEC-HPLC
PRAME-HP002 SEC-HPLC result

The purity of Human HLA-A*02:01&B2M&PRAME (ALYVDSLFFL) Tetramer is greater than 95% as determined by SEC-HPLC.

ELISA
PRAME-HP002 ELISA result

Immobilized Human HLA-A*02:01&B2M&PRAME (ALYVDSLFFL) Tetramer, His Tag at 1μg/ml (100μl/well) on the plate. Dose response curve for Anti-HLA-A*02:01&B2M&PRAME (ALYVDSLFFL) Antibody, hFc Tag with the EC50 of 6.7ng/ml determined by ELISA.

Background

PRAME (PReferentially expressed Antigen in MElanoma) is a melanoma-associated antigen expressed in cutaneous and ocular melanomas and some other malignant neoplasms, while its expression in normal tissue and benign tumors is limited.

References

  1. Lezcano C, Jungbluth AA, Busam KJ. PRAME Immunohistochemistry as an Ancillary Test for the Assessment of Melanocytic Lesions. Surg Pathol Clin. 2021 Jun;14(2):165-175. doi: 10.1016/j.path.2021.01.001. Epub 2021 Apr 28. PMID: 34023098; PMCID: PMC8152939.

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