Science. 1961 Jun 23;133(3469):2010-1. doi: 10.1126/science.133.3469.2010.
The isoelectric points of the immobilization antigens A, B, and D of strain 51 of Paramecium aurelia (variety 4) have been determined to be 4.0, 3.9, and 4.3, respectively.
品系 4 的草履虫 51 株的固定抗原 A、B 和 D 的等电点分别为 4.0、3.9 和 4.3。