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Figure 2 | BMC Structural Biology

Figure 2

From: Metal ion-dependent, reversible, protein filament formation by designed beta-roll polypeptides

Figure 2

The amino acid sequence and modeled structures of BRD1 and BRD2. A) Amino acid sequence alignment of the β-roll from P. aeruginosa alkaline protease with BRD1 and BRD2, highlighting the GGxGxDxUx repeat. Identical residues are indicated by an asterisk; B) The modeled structure of BRD1 highlighting the pair of tryptophan residues and two calcium-binding sites composed of residues Asp6, Asn15, Asp24 and Asp33; C) The back face of the BRD1 model showing the stacked Trp pair in more detail; D) The modeled structure of BRD2 highlighting the pair of tryptophan residues and four calcium-binding sites composed of residues Glu6, Asp15, Asp 21, Asn24 and Asp33 and Asp 42; E) The back face of the BRD2 model showing the stacked Trp pair in more detail.

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