SuperSweet--a resource on natural and artificial sweetening agents.

SuperSweet--a resource on natural and artificial sweetening agents.
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DOI:
10.1093/nar/gkq917
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发表时间:
2011-01
影响因子:
14.9
通讯作者:
Preissner R
Preissner R
中科院分区:
生物学2区
文献类型:
--
作者:
Ahmed J;Preissner S;Dunkel M;Worth CL;Eckert A;Preissner R

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已知大量甜味分子,包括小化合物、碳水化合物、d-氨基酸和大蛋白质。碳水化合物在人类饮食中起着特别重要的作用。用人造甜味剂代替食物中的糖是常见的,并且是预防蛀牙、肥胖和相关疾病如糖尿病和高脂血症的一般方法。关于味觉分子基础的知识可能会揭示克服饮食引起的疾病的新策略。在这种情况下,设计安全、低热量的甜味剂尤为重要。在这里,我们提供了一个全面的收集碳水化合物,人工甜味剂和其他甜味剂,如蛋白质和肽。此外,结构信息和属性,如卡路里数,治疗注释和甜味指数存储在SuperSweet中。目前,该数据库由8000多个甜味分子组成。此外,该数据库提供了甜味受体的建模3D结构和小甜味分子的结合姿势。这些结合姿势为新甜味剂的设计提供了线索。一个用户友好的图形界面允许相似性搜索,可视化对接到受体等甜味剂分类树和浏览功能允许快速请求数据库。该数据库可在http://bioinformatics.charite.de/sweet/上免费查阅。
A vast number of sweet tasting molecules are known, encompassing small compounds, carbohydrates, d-amino acids and large proteins. Carbohydrates play a particularly big role in human diet. The replacement of sugars in food with artificial sweeteners is common and is a general approach to prevent cavities, obesity and associated diseases such as diabetes and hyperlipidemia. Knowledge about the molecular basis of taste may reveal new strategies to overcome diet-induced diseases. In this context, the design of safe, low-calorie sweeteners is particularly important. Here, we provide a comprehensive collection of carbohydrates, artificial sweeteners and other sweet tasting agents like proteins and peptides. Additionally, structural information and properties such as number of calories, therapeutic annotations and a sweetness-index are stored in SuperSweet. Currently, the database consists of more than 8000 sweet molecules. Moreover, the database provides a modeled 3D structure of the sweet taste receptor and binding poses of the small sweet molecules. These binding poses provide hints for the design of new sweeteners. A user-friendly graphical interface allows similarity searching, visualization of docked sweeteners into the receptor etc. A sweetener classification tree and browsing features allow quick requests to be made to the database. The database is freely available at: http://bioinformatics.charite.de/sweet/.
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