Figure 1. Molecular Weight Markers (lane 1), isolated mitochondria from human liver (lane 2), bovine heart (lane 3), H9C2 cells (rat cardiomyocyte) (lane 4), and MEF cells (mouse embryo fibroblast) (lane 5). Complex I-subunit NDUFS2 is detected in the human samples with human-specific MS114 anti-NDUFS2 antibody while complex I-subunit NDUFB8 is detected in all samples (human, mouse and rat) with MS108 anti-NDUFB8.

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