蛋白质的等电点

在前期研究中，我们在国内外领先进行了慢性鼻窦炎、鼻息肉和正常鼻粘膜组织的PH3-10差异蛋白质组研究，发现大多数蛋白质的等电点（PI）在PH4～8的范围。

In 2004 we had initially performed PH3-10 gradient 2-DE of chronic sinusitis , nasal polyps and normal nasal mucosa tissue , and found isoelectric point ( PI ) of most proteins is between PH 4-8 .

演绎的文昌鱼AGAT蛋白质由426个氨基酸组成，理论分子量为49.3654kDa，蛋白质的等电点为6.65。

The predicted protein of the amphioxus AGAT is 426 amino acids in length , with theoretical molecular weight of 49.3654 kDa and isoelectric point of 6.65 .

并测定了葡萄籽蛋白质的等电点（PI）为3.8。

The PI of the protein is 3 . 8 .

测定了葡萄籽蛋白质的等电点并分别研究了盐溶法和碱溶法提取葡萄籽蛋白质的工艺条件。

Using salt solution and alkali solution for extraction of protein from grape seed were studied .

花生蛋白质的主要种类和等电点的研究

Studies on Main Kinds and Isoelectric Points of Peanut Proteins

蛋白质的回收可采用等电点沉淀法，适于工业化生产。

The recovery of protein can use pI precipitating way which is applicable to industrial production .

2DE（二维聚丙烯酰胺凝胶电泳）技术是蛋白质组学研究中的主要分离技术，其分别以蛋白质的等电点和分子质量这两个独立的参数为基础，实现蛋白质混合物的分离。

Two-dimensional polyacrylamide gel electrophoresis is the key separation technique in proteomics research , which is designed by protein character : molecular weight and PI .