English: 3D animated GIF showing the structure of phenylalanine-tRNA from yeast (PDB ID 1ehz). Scene based on http://proteopedia.org/wiki/index.php/TRNA and animated using the Jmol script at http://proteopedia.org/wiki/images/7/76/Wobble.spt. White line indicate hydrogen bonds, and the four different stem loops of the structure are shown in cyan, blue, yellow and red. In the orientation shown, the acceptor stem is on top and the anticodon on the bottom.