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Nucleotide sequence of the nar beta gene encoding assimilatory nitrate reductase from the cyanobacterium Oscillatoria
M Unthan1, W Klipp, G H Schmid
1Biologie VIII: Zellphsiologie, Universitat Bielefeld, Germany.
Biochimica Et Biophysica Acta
|February 7, 1996
Abstract:
The nucleotide sequence of the structural gene of nitrate reductase (n ar beta) has been determined from the filamentous, non-heterocystous cyanobacterium Oscillatoria chalybea. The nar beta gene encodes a protein of 737 amino acid residues, which shows 61% identity to nitrate reductase of the unicellular cyanobacterium Synechococcus sp. PCC 7942 and only weak homologies to different bacterial molybdoenzymes, such as nitrate reductases or formate dehydrogenases.