Keywords: L-Tryptophan-zwitterion-3D-balls.png Ball-and-stick model of the tryptophan molecule one of the 20 amino acids used to build proteins This image shows the L isomer in zwitterionic form Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> F51E1E Oxygen O red<br> 3C50FA Nitrogen N blue<br> 2011-02-12 own DS Visualizer Jynto talk Neutral form ball-and-stick version Neutral form space-filling version Zwitterionic form space-filling version cc-zero L-tryptophan Zwitterionic_forms_of_L-amino_acids Images by Jynto Ball-and-stick models |