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. Author manuscript; available in PMC: 2007 Oct 2.
Published in final edited form as: Structure. 2006 Mar;14(3):577–587. doi: 10.1016/j.str.2005.11.015

Figure 5.

Figure 5

Conformational Flexibility of α-Helical Hairpin

(A) Comparison of four conformations of AcrA(45-312)-4M observed in the crystal, with molecules A, B, C, and D superposed on the lipoyl domain and displayed as Cα traces. The greatest difference, ∼15°, is between molecules B and C.

(B) Comparison of the 13 conformations of MexA observed in its crystal, with molecules superposed on the lipoyl domain and displayed as Cα traces.

(C) Superposition of molecule B of AcrA(45-312)-4M (orange) and molecule M of MexA (purple), with molecules superposed on all domains and displayed as Cα traces.