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Predicted helices (roman numerals) are shown in grey for the aligned sequences from 174 to 457 amino acids (according to the barley polypeptide) of NDH-F of barley (Hv), wheat (Ta), Zea mays (Zm), Arabidopsis (At), tobacco (Nt) and Marchantia polymorpha (Mp) and NuoL of E. coli (Ec), R. capsulatus (Rc) and Synechocystis (Sy).
