High quality protamine sulfate from salmon cell*culture tested

Introduction

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.

25kg carton drum (32cm*58cm)or 1kg foil bag (10cm*15cm) or by request of clients

Transit could be DHL,UPS,TNT,EMS,Fedex,and so on.

For mass orders, it will be delivered by air or sea.

 1. Your inquiry related to our products or prices will be replied in 12hours.

2. Well-trained and experienced staffs to answer your enquires in fluent English.

3. All our products have high quality warranties.

4. Sample order can be delivered within 3 working days, small order 3-5working days, mass order 7-10working days.

5. Samples can be offered by free,customers just need to pay the freight.But the freight can be returned to our customer after he/she places formal order with us. 

Qingdao HanHaiDa Import And Export Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

The aim of HHD is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

HanhaiDa has become the "Top 500 Chinese manufacturing companies","Top 20 of global agrochemical sales".HHD has 21 subsidiaries and holding companies.