PA63 (image) DOE/Lawrence Berkeley National Laboratory Share Print E-Mail Caption Computer simulation of an anthrax PA63 protein binding to loopoids (purple). The base nanosheet is shown in green. Credit Ryan Spencer and Ron Zuckermann/Berkeley Lab Usage Restrictions None Share Print E-Mail 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.