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. 2020 Feb 27;10:1406. doi: 10.3389/fgene.2019.01406

Figure 4.

Figure 4

Evaluation of single-nucleotide polymorphism (SNP) c.499T > C effect on the predicted S. salar GSTO-1 (sGSTO-1) structure by homology modeling. (A) Predicted tridimensional sGSTO-1 including the Y124H substitution (sGSTO-1 Y124H). (B) sGSTO-1 and sGSTO-1 Y124H overlay. The punctual amino acid substitution (dotted arrow line) is indicated. (C) Enlarged view of the sGSTO-1 Y124H substitution shown in (B). sGSTO-1 (transparent), sGSTO-1 (colored), and the reduced glutathione (GSH) molecule are shown. (D) Ramachandran plot for the predicted sGSTO-1 Y124H structure. The amino acid distribution into most favored regions (A,B,L), additional allowed regions (a,b,l,p), generously allowed regions (~a,~b,~l,~p), and disallowed regions (GLU83, ASP97) is represented.