The renalase protein consists of a putative secretory signal peptide ( SignalP score of 0.4 ) and an oxidase domain .
A putative secretory signal peptide ( SignalP score of 0.4 ) is a flavin adenine dinucleotide ( FAD ) - binding region .
The renalase protein consists of a putative secretory signal peptide ( SignalP score of 0.4 ) , a flavin adenine dinucleotide ( FAD ) - binding region , and an oxidase domain .