Animals sense light and chemical signals through proteins called G-protein-coupled receptors. The crystal structure of one such receptor in complex with a G-protein fragment shows how these receptors are activated.
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Thue W. Schwartz is chief scientific officer at 7TM Pharma, a drug-discovery company that targets G-protein-coupled receptors
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Schwartz, T., Hubbell, W. A moving story of receptors. Nature 455, 473–474 (2008). https://doi.org/10.1038/455473a
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DOI: https://doi.org/10.1038/455473a
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