昆虫精子线粒体晶体蛋白。晶体线粒体蛋白。
Protein of insect sperm mitochondrial crystals. Crystallomitin.
作者信息
Baccetti B, Dallai R, Pallini V, Rosati F, Afzelius B A
出版信息
J Cell Biol. 1977 Jun;73(3):594-600. doi: 10.1083/jcb.73.3.594.
Abstract
Mitochondrial derivatives of insect sperm usually contain a crystalline protein that shows a 45-nm main period, made up of 20-nm subperiods, determined by the coiling of filament bundles. Filaments are 2 nm thick and have a globular appearance. The crystals contain two main polypeptides, 52,000 and 55,000 daltons. These polypeptides are closely related, contain a high percentage of proline, and are insoluble in sodium dodecyl sulfate due to disulfide cross links. We suggest for this class of protein the name crystallomitin.
摘要
昆虫精子的线粒体衍生物通常含有一种晶体蛋白，该蛋白呈现出45纳米的主要周期，由20纳米的亚周期组成，这是由丝状束的盘绕所决定的。细丝直径为2纳米，呈球状外观。这些晶体包含两种主要的多肽，分子量分别为52,000和55,000道尔顿。这些多肽密切相关，含有高比例的脯氨酸，并且由于二硫键交联而不溶于十二烷基硫酸钠。我们建议将这类蛋白质命名为晶体肌动蛋白。
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