AUTHOR=Pabba Mohan TITLE=The essential roles of protein–protein interaction in sigma-1 receptor functions JOURNAL=Frontiers in Cellular Neuroscience VOLUME=7 YEAR=2013 URL=https://www.frontiersin.org/journals/cellular-neuroscience/articles/10.3389/fncel.2013.00050 DOI=10.3389/fncel.2013.00050 ISSN=1662-5102