产品详情
Protamine is a kind of basic protein, mainly in fish such as salmon, squatting, herring fish, etc.) in the mature sperm nuclei as nuclear lean protein and DNA. Main ingredients: alkaline protein, including protamine and histones. The molecular weight of about 5000. Description: white to light yellow powder, has a special taste. Heat resistant. Share has enhanced freshness effect with seasoning. Soluble in water, slightly soluble in aqueous ethanol, not soluble in ethanol.
Application:
May be used for the removal of DNA from protein samples or for the purification of DNA binding proteins. It may be used as an alternative to polybrene in retroviral-mediated gene transfer.
Biochem/physiol Actions Protamine sulfate is a small cationic protein that binds and precipitates DNA. Neutralizes the anticoagulant activity of heparin. Inhibits lipoprotein lipase.