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A magnetic protein biocompass

by Hao, Junfeng , Zhang, Peng , Xie, Can , Yang, Celi , Qin, Siying , Yin, Hang , Yu, He , Yan, Xiyun , Wang, Hong-Wei , Dou, Yunfeng , Hao, Jia , Luo, Shu-Jin , Zhao, Zhongxian , Liu, Zhongmin , Deng, Lizong , Jiang, Taijiao , Feng, Jing , Huang, Yulong , Dong, Xiaoli

in 631/443 / 631/45/535 / 631/57 / 631/61/54 / 639/766/747 / Animals / Antibodies / Biochemistry / Biocompatible Materials / Biomaterials / Biophysics / Columbidae - metabolism / Computer Simulation / Condensed Matter Physics / Drosophila melanogaster - metabolism / Earth / Gene Expression Regulation / Genome-Wide Association Study / Geomagnetic fields / Iron-Sulfur Proteins - genetics / Iron-Sulfur Proteins - metabolism / Magnetic fields / Magnetics / Materials Science / Microscopy, Electron / Models, Molecular / Mutagenesis / Nanotechnology / Optical and Electronic Materials / Photoreceptors / Protein Conformation / Protein Transport / Proteins / Receptors / Retina - metabolism / RNA, Messenger - genetics / RNA, Messenger - metabolism / Screening

2016

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2016

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Journal Article

A magnetic protein biocompass

Hao, Junfeng,

Zhang, Peng,

Xie, Can,

Yang, Celi,

Qin, Siying,

Yin, Hang,

Yu, He,

Yan, Xiyun,

Wang, Hong-Wei,

Dou, Yunfeng,

Hao, Jia,

Luo, Shu-Jin,

Zhao, Zhongxian,

Liu, Zhongmin,

Deng, Lizong,

Jiang, Taijiao,

Feng, Jing,

Huang, Yulong,

Dong, Xiaoli

2016

Overview

The notion that animals can detect the Earth’s magnetic field was once ridiculed, but is now well established. Yet the biological nature of such magnetosensing phenomenon remains unknown. Here, we report a putative magnetic receptor ( Drosophila CG8198, here named MagR) and a multimeric magnetosensing rod-like protein complex, identified by theoretical postulation and genome-wide screening, and validated with cellular, biochemical, structural and biophysical methods. The magnetosensing complex consists of the identified putative magnetoreceptor and known magnetoreception-related photoreceptor cryptochromes (Cry), has the attributes of both Cry- and iron-based systems, and exhibits spontaneous alignment in magnetic fields, including that of the Earth. Such a protein complex may form the basis of magnetoreception in animals, and may lead to applications across multiple fields. A polymeric protein complex consisting of a newly identified magnetoreceptor protein and known magnetoreception-related photoreceptor cryptochromes exhibits spontaneous alignment in magnetic fields.

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Publisher

Nature Publishing Group UK,Nature Publishing Group

Subject

/ 631/57

/ Animals