白喉毒素-BSA(OVA)偶联抗原 白喉毒素是一种蛋白,由535个氨基酸组成,共有两个亚基,亚基间通过二硫键连接。分子量为62000,等电点pH值4.1。含有两个与有14个氨基酸的环相结合的双硫桥,Diphtheria toxin BSA (OVA) coupled antigen Diphtheria toxin is a protein composed of 535 amino acids, with two subunits connected by disulfide bonds. The molecular weight is 62000, and the isoelectric point pH value is 4.1. A disulfide bridge containing two bonds with a ring containing 14 amino acids,