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. Author manuscript; available in PMC: 2017 May 1.
Published in final edited form as: J Struct Biol. 2016 Feb 12;194(2):180–190. doi: 10.1016/j.jsb.2016.02.015

Figure 7. Flexibility of the dithiol containing region in EhTrx.

Figure 7

A, In the crystal structure (PDB ID 4CW9), the EhTrxC34S mutant (shown in ribbon) is cross-linked via formation of the disulfide bond (in stick representation) formed between the C31 thiol groups. B, In the EhTrxC34S mutant, N-terminus of the α-helix 2 accommodating catalytic dithiol motif adopts α-helical structure in chain B which unwinds in chain A. In B, both chains are shown in the same orientation derived from superimposition of their structures.