Protein Structure from Scientific Research

Tertiary structure of MMOH (d). The gray-colored regions in (a – d) were removed from the native structure for constructing the sMMO miniatures (mini-sMMOs). The rainbow-colored regions in (c, d) indicate the eight helices of MMOHα (αA to αH in rainbow order) surrounding the diiron center (depicted as pink spheres in (d)). In (d), the MMOHα subunit in the MMOH protomer is represented by ribbons, while the MMOHβ and MMOHγ subunits and the other protomers in the dimer are represented as wires. The eight helices and white-colored regions in MMOHα (defined as ΔHα) in (c, d) are included in the mini-sMMOs.

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