• Purity：
• >90% as determined by SDS-PAGE

• Gene Name：
• CD9

• Protein Name：
• CD9 antigen (5H9 antigen) (Cell growth-inhibiting gene 2 protein) (Leukocyte antigen MIC3) (Motility-related protein) (MRP-1) (Tetraspanin-29) (Tspan-29) (p24) (CD antigen CD9)

• Sequence：
• Amino acid:34-55,with FC tag.

• Human Gene Id：
• 928

• Human Swiss Prot No：
• P21926

• Formulation：
• Phosphate-buffered solution

• Source：
• Mammalian cells

• Storage Stability：
• -15°C to -25°C/1 year(Avoid freeze / thaw cycles)

• Other Name：
• CD9 antigen ;5H9 antigen;Cell growth-inhibiting gene 2 protein;Leukocyte antigen MIC3;Motility-related protein;MRP-1;Tetraspanin-29;Tspan-29;p24;CD antigen CD9;CD9;MIC3;TSPAN29;GIG2;

• Function：
• Integral membrane protein associated with integrins, which regulates different processes, such as sperm-egg fusion, platelet activation and aggregation, and cell adhesion (PubMed:14575715, PubMed:18541721, PubMed:8478605). Present at the cell surface of oocytes and plays a key role in sperm-egg fusion, possibly by organizing multiprotein complexes and the morphology of the membrane required for the fusion (By similarity). In myoblasts, associates with CD81 and PTGFRN and inhibits myotube fusion during muscle regeneration (By similarity). In macrophages, associates with CD81 and beta-1 and beta-2 integrins, and prevents macrophage fusion into multinucleated giant cells specialized in ingesting complement-opsonized large particles (PubMed:12796480). Also prevents the fusion between mononuclear cell progenitors into osteoclasts in charge of bone resorption (By similarity). Acts as a recepto

• Subcellular Location：
• Cell membrane ; Multi-pass membrane protein . Membrane ; Multi-pass membrane protein . Secreted, extracellular exosome . Note=Present at the cell surface of oocytes. Accumulates in the adhesion area between the sperm and egg following interaction between IZUMO1 and its receptor IZUMO1R/JUNO. .

• Expression：
• Detected in platelets (at protein level) (PubMed:19640571). Expressed by a variety of hematopoietic and epithelial cells (PubMed:19640571).

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