>2wnuB (B:) observed residues (from ATOM records)
tqkiafsatrtinvplrrdqtirfdhvitnmnnnyeprsgkftckvpglyyftyhassrg
nlcvnlmrgreraqkvvtfcdyayntfqvttggmvlkleqgenvflqatdknsllgmega
nsifsgfllfpdm