Protein Disulfide Isomerase from bovine liver

Protein Disulfide Isomerase (PDI) from bovine liver is a homodimer with a molecular weight of 107 kDa (gel filtration) and the molecular weight of the monomer has been reported at 57 kDA (SDS-PAGE). The enzyme is a glycoprotein with 12% total carbohydrate content, composed of 4.6% mannose, 2.5% galactose, 1.4% NANA, and 3.5% 2-acetamido-2-deoxyglucose.
Protein disulfide isomerase (PDI) from bovine liver is a homodimer with a molecular weight of 107 kDa with the monomer corresponding to 57 kDa. The isoelectric point (pI) is approximately 4.2.^[1] The enzyme is a glycoprotein with 12% total carbohydrate content comprising of mannose, galactose, N-acetyl neuraminic acid (NANA) and 2-acetamido-2-deoxyglucose.^[2] PDI is an ubiquitous redox chaperone enzyme. It belongs to the, thioredoxin superfamily and is high conserved.^[3]

来自牛肝的蛋白质二硫键异构酶（PDI）是一种分子量107 kDa的同型二聚体，单体为57 kDa。等电点（pI）大约为4.2。^[1]该酶是一种糖蛋白，总碳水化合物含量为12％，由甘露糖、半乳糖、N-乙酰神经氨酸（NANA）和2-乙酰氨基-2-脱氧葡萄糖组成。^[2]PDI是一种广泛存在的氧化还原分子伴侣酶（redox chaperone enzyme）。它属于硫氧还蛋白超家族，并且高度保守。^[3]
牛肝脏中的蛋白质二硫键异构酶 (PDI) 是一种分子量为 107 kDa 的同源二聚体（凝胶过滤），已报告单体的分子量为 57 kDa (SDS-PAGE)。该酶是总碳水化合物含量为 12% 的糖蛋白，由 4.6% 的甘露糖、2.5% 的半乳糖、1.4% 的 NANA 和 3.5% 的 2-乙酰胺基-2-脱氧葡萄糖组成。