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. 2016 Oct 27;473(21):3997–4009. doi: 10.1042/BCJ20160696

Figure 2. Kinetic analysis of the HemY protoporphyrinogen oxidase utilising protoporphyrinogen IX and coproporphyrinogen III substrates.

Figure 2.

Non-linear regression analysis reveals kcat values of 0.44 ± 0.03 and 0.46 ± 0.02 min−1 for protoporphyrinogen IX (●) and coproporphyrinogen III (○), respectively. The Km for coproporphyrinogen III is 6.7 ± 0.8 µM.