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. 2001 Apr;67(4):1766–1774. doi: 10.1128/AEM.67.4.1766-1774.2001

FIG. 5.

FIG. 5

The reaction of CDH with cellobiose and oxygen (air) was monitored at 564 nm. Addition of cellobiose (marked by an arrow) led to the immediate reduction of the heme cofactor of the enzyme. After depletion of cellobiose (after approximately 20 min), the enzyme was slowly but completely reoxidized.