Suppr超能文献

梭菌黄素氧还蛋白自由基形式的结构:一种新的分子模型。

Structure of the radical form of clostridial flavodoxin: a new molecular model.

作者信息

Andersen R D, Apgar P A, Burnett R M, Darling G D, Lequesne M E, Mayhew S G, Ludwig M L

出版信息

Proc Natl Acad Sci U S A. 1972 Nov;69(11):3189-91. doi: 10.1073/pnas.69.11.3189.

Abstract

Interpretation of a new electron-density map at 3.25-A resolution has led to a somewhat revised model for the free radical (semiquinone) structure of flavodoxin from Clostridium MP. Although the general conformation of the molecule is very similar to that of oxidized Desulfovibrio vulgaris flavodoxin, flavin mononucleotide-protein interactions are not identical in the two flavodoxins. In the Cl. MP semiquinone molecule, the isoalloxazine ring appears to retain the essentially planar conformation characteristic of oxidized flavins; within the limits imposed by the resolution of the data, the map shows no evidence for bending of the isoalloxazine ring about N5-N10.

摘要

对分辨率为3.25埃的新电子密度图的解读,得出了来自梭菌MP的黄素氧还蛋白自由基(半醌)结构的一个略有修订的模型。尽管该分子的总体构象与氧化型普通脱硫弧菌黄素氧还蛋白非常相似,但两种黄素氧还蛋白中黄素单核苷酸与蛋白质的相互作用并不相同。在梭菌MP半醌分子中,异咯嗪环似乎保留了氧化型黄素特有的基本平面构象;在数据分辨率所限定的范围内,图谱未显示异咯嗪环围绕N5-N10弯曲的证据。

相似文献

引用本文的文献

6
Handedness of crossover connections in beta sheets.β折叠中交叉连接的手性
Proc Natl Acad Sci U S A. 1976 Aug;73(8):2619-23. doi: 10.1073/pnas.73.8.2619.

本文引用的文献

3
Studies on flavin binding in flavodoxins.
Biochim Biophys Acta. 1971 May 12;235(2):289-302. doi: 10.1016/0005-2744(71)90207-5.

文献AI研究员

20分钟写一篇综述,助力文献阅读效率提升50倍。

立即体验

用中文搜PubMed

大模型驱动的PubMed中文搜索引擎

马上搜索

文档翻译

学术文献翻译模型,支持多种主流文档格式。

立即体验