Molecular Bodyguards (IMAGE) University of Basel Caption Chaperones (light blue) promote the insertion and folding of the bacterial membrane protein FhuA (yellow). Credit University of Basel, Biozentrum Usage Restrictions Give attribution to original author 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.