In 2015 the laboratory that had characterized the Bacillus azotoformans enzyme wrote, "The copper-A-dependent Nor from Bacillus azotoformans uses cytochrome c551 as electron donor but lacks menaquinol activity, in contrast to our earlier report."[4]
References
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^Strampraad MJ, Schröder I, de Vries S (February 2001). "A novel copper A containing menaquinol NO reductase from Bacillus azotoformans". Biochemistry. 40 (8): 2632–9.
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10.1021/bi0020067.
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^Heering HA, de Vries S (October 2004). "NO reductase from Bacillus azotoformans is a bifunctional enzyme accepting electrons from menaquinol and a specific endogenous membrane-bound cytochrome c551". Biochemistry. 43 (42): 13487–95.
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10.1021/bi0488101.
PMID15491156.