膜杰作
Star Staining
分子别名（Synonym）
CKR4, K5-5,CD194,CMKBR4,ChemR13,CC-CKR-4,HGCN:14099
表达区间及表达系统（Source）
Human CCR4 Full Length Protein (VLP) (CC4-H52P3) is expressed from human 293 cells (HEK293). It contains AA Met 1 - Leu 360 (Accession # P51679-1).
Predicted N-terminus: Met 1
蛋白结构（Molecular Characterization）
The protein has a calculated MW of 97 kDa | 56.1 kDa.
Virus-like particles(VLPs) are formed by self-assembly of envelop/capsid proteins from viruses. Membrane Proteins can be constituted in-situ with VLPs produced from HEK293 cell cultures. These VLPs concentrate conformationally intact membrane proteins directly on the cell surface and produce soluble, high-concentration proteins perfect for immunization and antibody screening.
The VLPs provide the display of properly folded membrane proteins in their native cellular membrane in a compact size of 100~300 nm diameter (similar to the size of most viruses) making it optimal targets for dendritic cells in vivo and surface attachment for phage display.
制剂（Formulation）
The VLPs are highly immunogenic, so the immunization strategy should be optimized (antigen dose, regimen and adjuvant).
Supplied as 0.2 μm filtered solution in PBS, Arginine, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
运输（Shipping）
This product is supplied and shipped with dry ice, please inquire the shipping cost.
存储（Storage）
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- The product MUST be stored at -70°C or lower upon receipt;
- -70°C for 12 months under sterile conditions.
活性（Bioactivity）-ELISA
Immobilized Human CCR4 Full Length Protein (VLP) (Cat. No. CC4-H52P3) at 5 μg/mL (100 μL/well) can bind Human Anti-CCR4 antibody, Human IgG1 with a linear range of 0.01-0.625 μg/mL (QC tested).
Protocol
均一性（Identity）-DLS
The mean peak Radius of VLP is 50-80 nm with more than 95% intensity as determined by dynamic light scattering (DLS).
背景（Background）
C-C chemokine receptor type 4 is a receptor for the following CC chemokines: CCL2, CCL4, CCL5, CCL17, CCL22, belongs to the G protein-coupled receptor family. Chemokines are a group of small polypeptide, structurally related molecules that regulate cell trafficking of various types of leukocytes. The chemokines also play fundamental roles in the development, homeostasis, and function of the immune system, and they have effects on cells of the central nervous system as well as on endothelial cells involved in angiogenesis or angiostasis. CCR4 is often expressed on leukemic cells in cutaneous T-cell lymphoma (CTCL). Mogamulizumab is a humanized monoclonal antibody targeted at CCR4and is an investigational drug for CTCL.
