Excerpt:
The new protein is in the center of a very exciting and relevant process. Anammox bacteria produce only atmospheric nitrogen (N2) from nitrite or nitric oxide (NO) and ammonium, as Kartal previously showed.
Unlike many microorganisms, they do not convert nitric oxide to the greenhouse gas nitrous oxide (N2O). Consequently, each molecule of NO that is transformed into N2 instead of N2O is one less molecule adding to climate change. Anammox bacteria reduce the amount of NO available for N2O production, and therefore, the amount of released greenhouse gas.
This relevance in mind, Kartal and his colleagues carried out a database search to investigate how widespread proteins with the newly discovered pattern are in nature. “Remarkably, this pattern is very common,” says Kartal. Proteins with the four-amino-acid pattern are present in a large variety of microorganisms throughout the bacterial and archaeal domains….”
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