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==Introduction== | ==Introduction== | ||
| - | Leghemoglobin is a protein that is required by Legume plants in order to fix nitrogen by participating in the Nitrogen Fixation pathway. It is found in legumes such as cowpea, soybeans, alfalfa, and other different types of beans. Leghemoglobin functions by keeping the oxygen at a specific low concentration to the bacteroids to allow for respiration, but at the same time, this low concentration keeps the oxygen out of the nitrogen cycle so it doesn’t inhibit the nitrogenase activity | + | Leghemoglobin is a protein that is required by Legume plants in order to fix nitrogen by participating in the Nitrogen Fixation pathway. It is found in legumes such as cowpea, soybeans, alfalfa, and other different types of beans. Leghemoglobin functions by keeping the oxygen at a specific low concentration to the bacteroids to allow for respiration, but at the same time, this low concentration keeps the oxygen out of the nitrogen cycle so it doesn’t inhibit the nitrogenase activity <ref> |
Leghemoglobin is a 16 kD globin protein containing eight secondary alpha helices, constituted by a heme group(protoporphyrin XI) and a single polypeptide. In its ferrous (reduced state), Leghemoglobin binds oxygen for transportation. (Ref 5). It is hypothesized that Leghemoglobin can be formed by one of the two ways: | Leghemoglobin is a 16 kD globin protein containing eight secondary alpha helices, constituted by a heme group(protoporphyrin XI) and a single polypeptide. In its ferrous (reduced state), Leghemoglobin binds oxygen for transportation. (Ref 5). It is hypothesized that Leghemoglobin can be formed by one of the two ways: | ||
Revision as of 15:43, 6 November 2012
Leghemoglobin
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Introduction
Leghemoglobin is a protein that is required by Legume plants in order to fix nitrogen by participating in the Nitrogen Fixation pathway. It is found in legumes such as cowpea, soybeans, alfalfa, and other different types of beans. Leghemoglobin functions by keeping the oxygen at a specific low concentration to the bacteroids to allow for respiration, but at the same time, this low concentration keeps the oxygen out of the nitrogen cycle so it doesn’t inhibit the nitrogenase activity [1]
