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. Author manuscript; available in PMC: 2022 Nov 15.
Published in final edited form as: Arch Biochem Biophys. 2021 Sep 15;712:109025. doi: 10.1016/j.abb.2021.109025

Fig. 6.

Fig. 6.

Comparison of A206W (sand) with the closed conformation of wild-type GsPutA complexed with THFA (gray, PDB ID 4NMA). Residues of the conserved ion pair in the closed state are colored pink (Glu149) and blue (Arg421).