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Fig. 8 | BMC Evolutionary Biology

Fig. 8

From: Lacking catalase, a protistan parasite draws on its photosynthetic ancestry to complete an antioxidant repertoire with ascorbate peroxidase

Fig. 8

Surface charge comparisons of PmAPX1 and PmAPX2. a Electrostatic potential surface based on the surface charges of the face presented in Fig. 7a. Negatively charged (acidic) surfaces in red, positive (basic) charges in blue and neutral charged surfaces in white. b Surface charge representation at the aperture leading to the delta heme edge. c Surface charge representation at the aperture leading to the gamma heme edge

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