‘Superdark’ protein looks like a G-protein-coupled receptor — but shows unconventional behaviour

A Nature item flags a protein dubbed 'superdark' that structurally resembles a G-protein-coupled receptor yet behaves unconventionally. GPCRs are the single largest target class for prescription drugs, so any receptor-like protein that breaks the expected signalling rules is of interest to biologists and drug developers. Note that the accessible text here is only a browser-compatibility notice, so the underlying findings could not be reviewed.

• The 'superdark' protein looks like a GPCR but does not act like one, per the headline.
• GPCRs underpin a large share of modern drug targets, making atypical members scientifically notable.
• The provided article content was a site/browser message, so no specific experimental details are available.