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. 2009 Apr 1;109(2):228–236. doi: 10.1093/toxsci/kfp066

TABLE 1.

Kinetic Constants for CPOX and CPOX4

Km (μM) Vmax (pmol protoporphyrinogen-IX/min/μg) Kcat
CPOX 0.291 0.522 1.794
CPOX4 0.537 0.332 0.618