This enzyme is also called "'ferric leghemoglobin reductase " '.
2.
One example of this is the similar protein homology between hemoglobin in humans and the hemoglobin in legumes ( leghemoglobin ).
3.
Leghemoglobin buffers the concentration of free oxygen in the cytoplasm of infected plant cells to ensure the proper function of root nodules.
4.
Many nitrogen-fixing organisms exist only in anaerobic conditions, respiring to draw down oxygen levels, or binding the oxygen with a protein such as leghemoglobin.
5.
A variant of the molecule, called leghemoglobin, is used to scavenge oxygen away from leguminous plants, before the oxygen can poison ( deactivate ) the system.
6.
Although leghemoglobin was once thought to provide a buffer for nodule oxygen, recent studies indicate that it stores only enough oxygen to support nodule respiration for a few seconds.
7.
Leghemoglobin has a high affinity for oxygen ( " K " m ~ 0.01 �M ), about ten times higher than the ? chain of human hemoglobin.
8.
;Leghemoglobin : In leguminous plants, such as alfalfa or soybeans, the nitrogen fixing bacteria in the roots are protected from oxygen by this iron heme containing oxygen-binding protein.
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