LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Molecular model of methaemoglobin from a sea lamprey (Petromyzon marinus). This is a form of the oxygen transport protein haemoglobin that has ferric iron (Fe3+) in its haem group rather than ferrous iron (Fe2+).
Model release not required. Property release not required.