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. 2007 Dec 12;104(51):20226–20231. doi: 10.1073/pnas.0708104105

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© 2007 by The National Academy of Sciences of the USA

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Fig. 4. — The L1–L3 loops mediate PFO binding to cholesterol-rich liposomes. Shown is SPR-binding analysis of aspartate- and glycine-substituted PFO loop mutants for residues Ala-401 (loop L2), Ala-437 (loop L3), and Leu-491 (loop L1). (a) SPR-detected binding of native PFO (solid line), PFO^A401D (dashed line), and PFO^A401G (dotted line). (b) SPR-detected binding of native PFO (solid line), PFO^A437D (dashed line), and PFO^A437G (dotted line). (c) SPR-detected binding of native PFO (solid line), PFO^L491D (dashed line), and PFO^L491G (dotted line). RU, resonance units.