| Code | CSB-MP004843HU |
| Abbreviation | Recombinant Human CCR4 protein-VLPs (Active) |
| MSDS | |
| Size | $558 |
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CCR4 is a seven-transmembrane GPCR notoriously difficult to produce in its native conformation, and this full-length construct (aa 1–360) presented on virus-like particles preserves the receptor's multi-pass topology in a lipid bilayer context that mammalian cell expression enables. Functional ELISA confirms conformational integrity: immobilized at 10 μg/mL, the protein binds an anti-CCR4 recombinant antibody with an EC50 of 362.3–630.8 ng/mL, providing a validated positive control for ligand-binding assays, competitive blocking antibody screening, and therapeutic antibody epitope mapping relevant to CCR4-targeted cancer immunotherapy. The VLP format supports use in drug discovery workflows—including small-molecule or biologic inhibitor screening and affinity characterization by SPR or BLI—where membrane-embedded receptor presentation is critical for physiologically meaningful binding data. Endotoxin levels below 1.0 EU/μg, determined by LAL, satisfy criteria typical for sensitive cell-based downstream assays requiring minimal innate immune interference.
Applications : Binding assay/Protein-protein interaction
Review: The protein has seven transmembrane domains, making it very difficult for recombinant expression. I have purchased both of CUSABIO\'s mammalian cell and cell-free expressed products, and they have performed well in terms of activity determination, which are sufficient to meet my future application demands. I may continue to purchase in large quantities in the future.
By Anonymous