电鳗主发电器官中的结蛋白异质性。
Desmin heterogeneity in the main electric organ of Electrophorus electricus.
作者信息
Costa M L, Moura Neto V, Chagas C
机构信息
Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brasil.
出版信息
Biochimie. 1988 Jun;70(6):783-9. doi: 10.1016/0300-9084(88)90108-3.
PMID:3139094
Abstract
Desmin, the muscle-specific intermediate filament protein was purified from the main electric organ of Electrophorus electricus. It is shown that pure desmin can be separated into 5 isoforms presenting different isoelectric points. These isoforms have similar molecular weight, react with an antibody directed against desmin and generate identical peptides after digestion with protease V8 from Staphylococcus aureus.
摘要
结蛋白，一种肌肉特异性中间丝蛋白，是从电鳗的主要电器官中纯化得到的。结果表明，纯化的结蛋白可分离为5种具有不同等电点的同工型。这些同工型具有相似的分子量，能与抗结蛋白抗体发生反应，在用金黄色葡萄球菌的蛋白酶V8消化后产生相同的肽段。
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