Tetraspanin-8 (TSPAN8)-VLPs (Active), recombinant human

Organism: Homo sapiens (Human). Source: Mammalian cell. Expression Region: 1-237aa. Protein Length: Full Length. Tag Info: C-terminal 10xHis-tagged (This tag can be tested only under denaturing conditions). Target Protein Sequence: MAGVSACIKY SMFTFNFLFW LCGILILALA IWVRVSNDSQ AIFGSEDVGS SSYVAVDILI AVGAIIMILG FLGCCGAIKE SRCMLLLFFI GLLLILLLQV ATGILGAVFK SKSDRIVNET LYENTKLLSA TGESEKQFQE AIIVFQEEFK CCGLVNGAAD WGNNFQHYPE LCACLDKQRP CQSYNGKQVY KETCISFIKD FLAKNLIIVI GISFGLAVIE ILGLVFSMVL YCQIGNK. Purity: The purity information is not available for VLPs proteins. Endotoxin: Less than 1.0 EU/ug as determined by LAL method. Biological Activity: Measured by its binding ability in a functional ELISA. Immobilized Human TSPAN8 at 5 µg/mL can bind Anti-TSPAN8 recombinant antibody (CSB-RA025166MA1HU). The EC50 is 2.261-2.623 ng/mL.The VLPs (CSB-MP3838) is negative control. Form: Lyophilized powder. Buffer: Lyophilized from a 0.2 µm filtered PBS, 6% Trehalose, pH 7.4. Reconstitution: We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein indeionized sterile water to a concentration of 0.1-1.0 mg/mL.Aliquot for long-term storage at -80°C. Solubilize for 60 minutes at room temperature with occasional gentle mixing. Avoid vigorous shaking or vortexing. Storage: The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C. Notes: The VLPs are expressed from human 293 cells (HEK293).Mix the sample gently by repeatedly pipetting it up and down. Do not vortex.Repeated freezing and thawing is not recommended.Store the protein at -20°C/-80°C upon receiving it, and ensure to avoid repeated freezing and thawing, otherwise, it will affect the protein activity. The immunization strategy should be optimized (antigen dose, regimen and adjuvant). Relevance: Structural component of specialized membrane microdomains known as tetraspanin-enriched microdomains (TERMs), which act as platforms for receptor clustering and signaling. Reference: Silencing of long non-coding RNA SOX21-AS1 inhibits lung adenocarcinoma invasion and migration by impairing TSPAN8 via transcription factor GATA6. Xu Y., Wu H., Wu L., Xu L., Li J., Wang Q., Pu X. Int J Biol Macromol 164:1294-1303 (2020). Function: nan