Title : The cyanide-metabolizing enzyme rhodanese in human nasal respiratory mucosa.

Pub. Date : 1991 Mar 15

PMID : 2006499






6 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 The cyanide-metabolizing enzyme rhodanese in human nasal respiratory mucosa. Cyanides thiosulfate sulfurtransferase Rattus norvegicus
2 The cyanide-metabolizing enzyme rhodanese is present in rat nasal epithelium at high activity levels. Cyanides thiosulfate sulfurtransferase Rattus norvegicus
3 The high rhodanese activity in rat nasal epithelium may provide a mechanism for detoxicating inhaled hydrogen cyanide and may also play a role in olfaction by limiting the concentrations of cyanide in the nasal epithelium. Cyanides thiosulfate sulfurtransferase Rattus norvegicus
4 On a per milligram mitochondrial protein basis, the rhodanese in human nasal tissue exhibited both a lower affinity (higher Km) for cyanide and a lower maximum velocity (Vmax) for cyanide metabolism than did rhodanese from rat nasal tissue. Cyanides thiosulfate sulfurtransferase Rattus norvegicus
5 On a per milligram mitochondrial protein basis, the rhodanese in human nasal tissue exhibited both a lower affinity (higher Km) for cyanide and a lower maximum velocity (Vmax) for cyanide metabolism than did rhodanese from rat nasal tissue. Cyanides thiosulfate sulfurtransferase Rattus norvegicus
6 The Vmax/Km ratios for rhodanese from the nasal tissue of nonsmokers were consistently greater, thus suggesting the possibility of higher rates of cyanide metabolism in nonsmokers than in smokers. Cyanides thiosulfate sulfurtransferase Rattus norvegicus