FIGURE 2.
Sequence alignment of DARPins 18, 19, and 20. The DARPin consensus is displayed with X, indicating randomized positions (any amino acid residues except glycine, proline, and cysteine) and Z for the partially randomized positions (allowing histidine, tyrosine, or asparagine); all remaining positions are framework residues (13). This figure was created with Multalin (44).