Polypeptides having partial or complete amino acid sequences related to the pre-acetylcholine receptor-.alpha. of the electric organ Torpedo californica are disclosed. These polypeptides having AChR antigenic properties are useful for the production and purification of antibodies to the acetylcholine receptor (AChR) as well as for the diagnosis of myastenia gravis (MG).
披露了与电鳐Torpedo californica的前
乙酰胆碱受体-.alpha.相关的部分或完整
氨基酸序列的
多肽。这些具有AChR抗原性质的
多肽对于生产和纯化抗
乙酰胆碱受体(AChR)
抗体以及诊断重症肌无力(MG)非常有用。