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. 2009 Jan 14;106(4):1069–1074. doi: 10.1073/pnas.0811720106

Fig. 1.

Fig. 1.

Structures of M2-TM. Left to right: ssNMR, solid state NMR structure (3). NMR, solution NMR structure (19). x-ray (D4), D4 model derived by replication of chain D of crystallographic structure (20). x-ray (A4), A4 model derived by replication of chain A of crystallographic structure (20). The HOLE profiles (40) (color coding scale in Å on the right), both N-terminal and C-terminal views are shown. Relevant pore lining residues are shown as VDW spheres: Val-27 (ice blue), His-37 (orange), and Trp-41 (green).