Keywords: Heme B anion 3D ball.png Ball-and-stick model of the Heme B complex also known as haem B the core of hemoglobin that carries oxygen in blood This image shows the anionic form with a negative charge of 2 Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> F51E1E Oxygen O red<br> 3C50FA Nitrogen N blue<br> 8078C0 Iron Fe grey-purple<br> 2011-06-27 own DS Visualizer Jynto talk Neutral form ball-and-stick version Neutral form space-filling version Anionic form space-filling version cc-zero Images by Jynto Ball-and-stick models Haem b |