Home to bilirubin conversion is carried out by
Within the macrophage, heme derived from haemoglobin is broken down by heme oxygenase, conveing it to biliverdin Carbon monoxide and iron arereleased as by-productsReference: Harper biochemistry 30th edition page no 672
Heme oxygenase
Heme reductase
Heme isomerase
Heme hydrolase
miscellaneous