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| Product Name | Recombinant Human Melanoma-Associated Antigen 4 (MAGEA4), Active |
| Catalog No. | PTR-HMM-0275 |
| Description | A full-length active recombinant human MAGEA4 protein expressed in mammalian cells with a C-terminal 10xHis tag. The purified cancer/testis antigen demonstrates specific antibody binding in a functional ELISA. |
| Intended Use | Suitable for MAGEA4 antibody development, functional ELISA, cancer/testis antigen research, immuno-oncology studies, and assay development. |
| Principle / Technology | Full-length human MAGEA4 is expressed in mammalian cells, purified, and functionally evaluated through antibody-binding ELISA. |
| Detection Method | SDS-PAGE; functional ELISA; LAL assay |
| Sample Type | Purified recombinant protein |
| Performance Range / Specifications | Purity: >=90% by SDS-PAGE. EC50: 30.33-43.10 ng/mL. Molecular weight: 36.7 kDa. Package sizes: 20 ug; 100 ug; 1 mg. |
| Sensitivity / LOD | EC50: 30.33-43.10 ng/mL. |
| Specificity | Binding activity was demonstrated with a MAGEA4-specific recombinant antibody. |
| Reaction Conditions / Protocol | Immobilize human MAGEA4 at 2 ug/mL and measure binding to a MAGEA4-specific recombinant antibody by functional ELISA. |
| Components / Formulation | 20 mM Tris-HCl, 0.5 M NaCl, 6% trehalose, pH 8.0 |
| Storage Conditions | Store at -20 C or -80 C upon receipt. Aliquot before repeated use and avoid repeated freeze-thaw cycles. |
| Shelf Life | Typical stability is 6 months for liquid material and 12 months for lyophilized material when stored at -20 C or -80 C. |
| Package Specifications | 20 ug; 100 ug; 1 mg |
| Product Form | Lyophilized powder |
| Quality Control | Purity evaluated by SDS-PAGE; endotoxin tested by LAL assay; biological activity validated by functional testing. |
| Key Features | Active full-length human MAGEA4; 317 aa; C-terminal 10xHis tag; >=90% purity; mammalian expression; low endotoxin. |
| Purity | >=90% by SDS-PAGE. |
| Activity / Unit Definition | In a functional ELISA, immobilized human MAGEA4 at 2 ug/mL bound a MAGEA4-specific recombinant antibody with an EC50 of 30.33-43.10 ng/mL. |
| Molecular Weight | 36.7 kDa |
| Source / Origin | Human protein produced in Mammalian cells. |
| pH Range / Optimal pH | pH 8.0 |
| Expiration Date / Stability | Typical stability is 6 months for liquid material and 12 months for lyophilized material when stored at -20 C or -80 C. |
| Regulatory / Compliance | For research use only; not for clinical diagnosis or treatment. |
| Compatibility | Suitable for functional ELISA, antibody screening, and MAGEA4-focused immuno-oncology research. |
| Recommended Buffer System | 20 mM Tris-HCl, 0.5 M NaCl, 6% trehalose, pH 8.0 |
| Application Notes / Precautions | Briefly centrifuge the vial before opening. Reconstitute with sterile deionized water to 0.1-1.0 mg/mL when applicable. For long-term storage, add 5-50% glycerol as appropriate, divide into aliquots, and freeze. Avoid repeated freezing and thawing. A working aliquot may be kept at 4 C for up to one week. |
| Alternative Names / Synonyms | Cancer/testis antigen 1.4; CT1.4; MAGE-4 antigen; MAGE-41 antigen; MAGE-X2 antigen |
| Lead Time | 3-7 business days |
| Availability Status | In Stock |
| Host Species | Human |
| Tag Information | C-terminal 10xHis tag |
| Amino Acid Sequence | MSSEQKSQHCKPEEGVEAQEEALGLVGAQAPTTEEQEAAVSSSSPLVPGTLEEVPAAESAGPPQSPQGASALPTTISFTCWRQPNEGSSSQEEEGPSTSPDAESLFREALSNKVDELAHFLLRKYRAKELVTKAEMLERVIKNYKRCFPVIFGKASESLKMIFGIDVKEVDPASNTYTLVTCLGLSYDGLLGNNQIFPKTGLLIIVLGTIAMEGDSASEEEIWEELGVMGVYDGREHTVYGEPRKLLTQDWVQENYLEYRQVPGSNPARYEFLWGPRALAETSYVKVLEHVVRVNARVRIAYPSLREAALLEEEEGV |
| UniProt Accession | P43358 |
| Protein Length | 317 aa |
| Expression Region | 1-317 aa |
| Endotoxin Level | <1.0 EU/ug by the LAL method. |
For research use only, not for clinical use.
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