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. Author manuscript; available in PMC: 2021 Aug 19.
Published in final edited form as: J Am Chem Soc. 2020 Aug 5;142(33):14249–14266. doi: 10.1021/jacs.0c05613

Figure 4.

Figure 4.

The π-helical portion (red) in Helix E of sMMOH is extended in the sMMOHox:MMOB complex (6YD0, green helix) as opposed to sMMOH in isolation (1MHY, cyan helix). The reorganization is caused primarily by the hydrogen-bond interaction between Ser110 (MMOB) and Asn214 (MMOH) and a steric clash between Val218 (MMOH) and Phe75 (MMOB). This leads to the large movement of Pro215. π-Helix assignment was performed using DSSP74–75 with the DSSP & Stride plugin for PyMOL76 (The PyMOL Molecular Graphics System, Version 2.0 Schrödinger, LLC).