Possible Depression Receptor's Switch (IMAGE) UF Health Caption A model shows how glycine molecules (teal) interact with brain cell receptors called GPR158 to influence the nervous system. The dotted lines show hydrogen bonds and weak electrical field attractions that start the signal. Credit Courtesy of Martemyanov lab at The Wertheim UF Scripps Institute. Usage Restrictions For use with coverage of The Wertheim UF Scripps Institute. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.