核黄素与2,6 - 二氨基 - 9 - 乙基嘌呤复合物的晶体结构：一种表现出电荷转移相互作用的黄素腺嘌呤二核苷酸模型。
Crystal structure of a complex between lumiflavin and 2,6-diamino-9-ethylpurine: a flavin adenine dinucleotide model exhibiting charge-transfer interactions.
作者信息
Scarbrough F E, Shieh H, Voet D
出版信息
Proc Natl Acad Sci U S A. 1976 Nov;73(11):3807-11. doi: 10.1073/pnas.73.11.3807.
Abstract
The x-ray structure of the deep red crystalline complex lumiflavin-2,6-diamino-9-ethylpurine has been determined. The flavin and adenine derivatives form hydrogen-bonded base pairs of the Watson-Crick type. The molecules in the crystal also associate via extensively overlapped flavin/adenine and flavin/flavin stacking interactions in which there are several contacts that are closer than van der Waals distances. This, together with the red color of the crystals, is indicative of the formation of a charge-transfer complex.
摘要
已确定深红色晶体复合物黄素单核苷酸-2,6-二氨基-9-乙基嘌呤的X射线结构。黄素和腺嘌呤衍生物形成沃森-克里克型氢键碱基对。晶体中的分子还通过广泛重叠的黄素/腺嘌呤和黄素/黄素堆积相互作用缔合，其中有几个接触距离比范德华距离更近。这与晶体的红色一起，表明形成了电荷转移复合物。
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