Keywords: L-Citrulline-zwitterion-3D-balls.png Ball-and-stick model of the citrulline molecule a non-standard amino acid that may be incorporated into some proteins Shown here as 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> 2011-01-21 own DS Visualizer Jynto talk Space-filling version<br> Neutral form cc-zero Citrulline Zwitterionic forms of L-amino acids Images by Jynto Ball-and-stick models |