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. 2012 Sep 25;287(46):38695–38704. doi: 10.1074/jbc.M112.395053

FIGURE 2.

FIGURE 2.

Nonreducing SDS-PAGE analysis of unlocked and locked mutants. A, purified α3β3γ complexes were electrophoresed on 12% polyacrylamide gel. First lane, Cys-less; second and third lanes, unlocked and locked A28C/L267C; fourth and fifth lanes, unlocked and locked V32C/A268C; sixth and seventh lanes, unlocked and locked V32C/A264C; eighth and ninth, unlocked and locked A35C/A264C; 10th and 11th lanes, unlocked and locked V39C/A264C. B, the oxidation conditions of purified A28C/A268C, V32C/L267C, A35C/L267C, and A35C/A268C complexes were surveyed as described under “Experimental Procedures,” and the most representative results are shown. First and second lanes, unlocked and locked A28C/A268C; third and fourth lanes, unlocked and locked V32C/L267C; fifth and sixth lanes, unlocked and locked A35C/L267C; seventh and eighth lanes, unlocked and locked A35C/A268C. C, efficiency of disulfide bond formation was determined from the band intensities of unlocked and locked γ subunits shown in A and B. The combination which was not prepared in this study is shown by a x.