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. Author manuscript; available in PMC: 2011 Mar 15.
Published in final edited form as: Chem Res Toxicol. 2010 Mar 15;23(3):447–454. doi: 10.1021/tx9003775

Figure 6. Model of Met148 oxidation in apoA-I in LCAT inactivation.

Figure 6

Oxidation of Met148 disrupts the central loop-like structure and affects the conformation of apoA-I. Modifying Met148 might disrupt the proper alignment of the hydrophobic face of repeat 6 in apoA-I, and then disrupt the maintenance and stability of the helix-bilayer and helix-helix interactions, which are key structural requirements for LCAT activation.