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. Author manuscript; available in PMC: 2014 May 7.
Published in final edited form as: Structure. 2013 May 7;21(5):694–705. doi: 10.1016/j.str.2013.03.002

Fig. 7. Substrate and sodium binding sites in GltPh and LeuT.

Fig. 7

A) Aspartate and two thallium ions in the crystal structure of GltPh. B) Potential Na+ sites in simulations of GltPh. C) Leucine and two Na+ in the crystal structure of LeuT. D) Two Na+ in LeuT. Leucine removed for clarity. Side chains and backbones interacting with substrate and cations are shown in A-D as stick.