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. Author manuscript; available in PMC: 2014 Jul 21.
Published in final edited form as: Mol Aspects Med. 2013 Apr-Jun;34(0):121–138. doi: 10.1016/j.mam.2012.07.001

Figure 3. Model of the exoplasmic substrate-binding site of GLUT1 (Mueckler and Makepeace, 2009).

Figure 3

Glucose is not drawn to scale. The arrangement of helices is shown in a simplistic fashion for clarity. Amino acid residues that are in contact with solvent in the aqueous cavity are numbered and identified by the single-letter code. Dotted lines represent putative hydrogen bonds.