V2EX abc transporter

Abc Transporter

释义 Definition

ABC 转运蛋白/ABC 转运体:一大类膜蛋白,利用 ATP(腺苷三磷酸) 提供的能量,把各种物质(如脂质、药物、代谢物、离子等)跨膜运输进出细胞;在细菌、植物和动物中都很常见。(全称常指 ATP-binding cassette transporter,ATP 结合盒式转运蛋白

发音 Pronunciation (IPA)

/e.bisi trnsprtr/

例句 Examples

ABC transporters move molecules across cell membranes.
ABC 转运蛋白把分子跨越细胞膜运输。

Overexpression of an ABC transporter can cause drug resistance by pumping the drug out of the cell.
某些 ABC 转运蛋白的过度表达会通过把药物泵出细胞而导致耐药性。

词源 Etymology

“ABC” 来自 ATP-binding cassette(ATP 结合盒/盒式结构域):这类蛋白在胞内侧具有保守的 ATP 结合与水解结构域(“cassette” 原意为“盒子/盒式组件”),通过 ATP 水解提供能量;“transporter” 表示其主要功能是“转运/运输”。

相关词 Related Words

文学与著名作品 Literary & Notable Works

  • Bruce Alberts 等《Molecular Biology of the Cell》(《细胞生物学》):在膜运输与转运蛋白章节中讨论 ABC 转运体。
  • Nelson & Cox《Lehninger Principles of Biochemistry》(《莱宁格生物化学原理》):在膜蛋白与能量耦联运输相关内容中介绍 ABC 家族。
  • Campbell Biology(《坎贝尔生物学》):在细胞膜运输、主动运输部分常提及 ABC 类转运机制与实例。
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