Human Glycine Receptor (IMAGE) ICFO-The Institute of Photonic Sciences Caption Human glycine receptor, which has a well-defined subunit stoichiometry of two "beta" and three "alpha"-subunits was used as a nanotemplate by attaching fluorescent proteins to these subunits to measure photoactivation efficiency at the single molecule level. Credit ICFO Usage Restrictions None License Licensed 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.