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. 2020 Jun 17;11:1109. doi: 10.3389/fmicb.2020.01109

FIGURE 4.

FIGURE 4

Differences in conserved residues near NADH and FMN binding-sites and the SLBB conserved region of the beta subunits of BF and non-BF NADH-dependent enzymes. The solid black line indicates residues that overlap with proposed NADH and FMN binding sites in T. thermophilus Nqo1 (Walker, 1992; Sazanov and Hinchliffe, 2006). Numbers indicate amino acid residue positions in the respective beta subunit amino acid sequences. Red highlights amino acid residues that are conserved in all 17 sequences. Blue highlights residue positions that are conserved in BF beta subunits. Yellow highlights the equivalent residues from alignments of beta subunits from non-BF NADH-dependent enzymes.