NPR1 (VIDEO) Howard Hughes Medical Institute This video is under embargo. Please login to access this video. Caption Researchers used two imaging and crystallography techniques to uncover the structure of a key plant defense protein called NPR1, which resembles “a gliding bird.” Credit Xinnian Dong/HHMI/Duke University Usage Restrictions Must use credit. License Original 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.