Structure of PYR1 (IMAGE) European Molecular Biology Laboratory Caption This image shows the structure of PYR1 (colored ribbons) in its open, unbound state (light green loops) and how it folds around ABA (white rods) when it binds to this hormone (turquoise and purple loops). Credit Marquez/EMBL Usage Restrictions EMBL press and picture releases including photographs, graphics, movies and videos are copyrighted by EMBL. They may be freely reprinted and distributed for non-commercial use via print, broadcast and electronic media, provided that proper attribution to authors, photographers and designers is made. High-resolution copies of the images can be downloaded from the EMBL web site: www.embl.org 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.