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. Author manuscript; available in PMC: 2010 Jul 7.
Published in final edited form as: Biochemistry. 2009 Jul 7;48(26):6213–6223. doi: 10.1021/bi802146w

Figure 1.

Figure 1

Overlay of the disulfide bond of GSSG (purple) bound in the active site of GR with a vicinal disulfide bond (cis) in a type VIa β-turn conformation (green). S atoms are shown in yellow.