1. Noun. (protein) A serum globulin that binds heme and porphyrins ¹
¹ Source: wiktionary.com
Medical Definition of Hemopexin
1. Single chain haem binding plasma _1 glycoprotein (57 kD) unlike haptoglobin does not bind haemoglobin.
Present at around 1mg/ml in plasma. Responsible for transporting haem groups to the liver for breakdown. Structurally related to vitronectin and some collagenases.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
