The structures of anion-conducting channelrhodopsin proteins have been solved and used to develop a tool for optogenetics. Experts discuss what the structures tell us about ion conduction, and why the tool is needed.Structures of channelrhodopsins aid design of an optogenetics tool.

中文翻译：

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蛋白质结构指导神经科学急需工具的设计

阴离子传导通道视紫红质蛋白的结构已被解析并用于开发光遗传学工具。专家们讨论了这些结构告诉我们什么关于离子传导，以及为什么需要该工具。视紫红质的结构有助于光遗传学工具的设计。