Figure 4From: Construction of uricase-overproducing strains of Hansenula polymorpha and its application as biological recognition element in microbial urate biosensorReaction scheme and electron-transfer pathway of the proposed urate biosensor. PDE - hydrogen peroxide decomposing enzymes (HRP, CAT or MP-11). PDEox and PDEred - oxidized and reduced forms of hydrogen peroxide decomposing enzymes, UOX - urate oxidase.Back to article page