|Detection of Mouse Afamin by Western Blot. Western blot shows mouse serum. PVDF membrane was probed with 0.2 µg/mL of Sheep Anti-Mouse Afamin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF8119) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Afamin at approximately 87 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.|
Afamin, also known as AFM or alpha -Albumin, is an 84-88 kDa secreted monomeric glycoprotein member of the Alb/albumin family of molecules. Expressed by hepatocytes, CNS endothelial cells and osteoclasts, Afamin circulates in the blood at low μg/mL concentrations. Afamin is known to bind and transport vitamin E, particularly under conditions where lipoprotein is limited. This is likely to be important in follicular fluid and CSF. Afamin also serves as an osteoclast-derived chemoattractant for preosteoblasts, providing a rationale for the observation that bone formation often follows bone resorption. Mature mouse Afamin is 587 amino acids (aa) in length (aa 22-608). It contains three consecutive albumin domains (aa 22-210, 211-403 and 404-599) that contain characteristic 5 or 6 intrachain disulfide bonds. Full-length mouse Afamin shares 67% aa sequence identity with human Afamin.
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