Additional file 13.

Structural alignment of blue copper proteins. β-Strands (cupredoxin fold) predicted by YASPIN [118] are highlighted (cyan for β-strand 1, yellow and light green for β-strand 2, pink for β-strand 3, dark blue for β-strand 4, dark green for β-strand 5, purple for β-strand 6 and red for β-strand 7). Amicyanin from Paracoccus denitrificans [GenBank: CAA39199] and Plastocyanin from Synechococcus elongatus GenBank: ABB57 [118] serve as references. Red circles indicate copper-binding ligands. Residues highlighted by light grey correspond to additional β-strands and those in bold orange correspond to α-helices. Sulfocyanin-specific motifs are boxed in red. Black arrows indicate copper-binding ligands. Additional loops are indicated at the bottom of the alignment by a light orange line.

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Yelton et al. BMC Genomics 2013 14:485   doi:10.1186/1471-2164-14-485