BN-PAGE gels showing the separation of β-DM-solubilized thylakoid membrane complexes from plants grown with sufficient Mn supply (control [Ctrl]) or under mild, moderate, or severe Mn deficiency (lanes 1–4, respectively). Left, The Mn-inefficient genotype cv Antonia. Right, The Mn-efficient genotype cv Vanessa; 15 μg of protein was loaded on each lane. SC, Supercomplex.