FosB from Staphylococcus aureus (image) American Institute of Physics Caption This is an overall ribbon diagram of FosB from Staphylococcus aureus. The unique "door" (highlighted in orange) is shown in the open position. Credit M.Thompson/Vanderbilt Usage Restrictions This image may be used only with appropriate caption and credit. 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.