ABSTRACT

APX ascorbate peroxidase ATP adenosine triphosphate cAMP 3 ',5 '-cyclic adenosine monophosphate CAP catabolite gene activator protein CcP cytochrome c peroxidase cGMP 3 ',5 -cyclic guanosine monophosphate CiP Coprinus cinereus peroxidase CooA CO-sensing transcriptor activator CPO chloroperoxidase cyt cytochrome ET electron transfer FAD flavin adenine dinucleotide FixL a biological oxygen sensor FMN flavin mononucleotide GTP guanosine triphosphate H4B tetrahydrobiopterin HAO hydroxylamine oxidoreductase Hb hemoglobin HO heme oxygenase HRP horseradish peroxidase IDO indoleamine 2,3-dioxygenase LiP lignin peroxidase Mb myoglobin MnP manganese peroxidase MPO myeloperoxidase MW molecular weight MWC Monod, Wyman, Changeux NADPH nicotinamide adenine dinucleotide phosphate NOS nitric oxide synthase PAS an acronym formed from the names of the first proteins recognized as

sharing this sensory motif, i.e., the period clock protein of Drosophila, and aryl hydrocarbon receptor nuclear translocator of vertebrates, and the single-minded protein of Drosophila.