Athens Research & Technology Inc. products

A serine protease that releases bradykinin from kininogen. Present in plasma as an inactive precursor prokallikrein. Activity: 15 units per mg. One unit is defined as the amount of enzyme that hydrolyzes one umole of D-Pro-Phe-Arg-pNA per minute at 25°C, pH 7.8.

Unless noted otherwise, Athens Research & Technology does not measure the endotoxin level of its finished products. If you intend to use our products in cell culture applications, please tell us your endotoxin requirements and we will polish the products for your use. We are able to prepare low endotoxin level proteins and lipoproteins, and are happy to prepare quotes for these tissue culture grade products.

75% of Apo A in HDL is Apo AI. Levels of Apo AI are inversely related to the risk of coronary heart disease. Apo AI is also thought to activate LCAT (lecithin cholesterol acyl tranferase). In normal plasma, Apo AI levels range from 90-130 mg per 100 ml.