>3bx2B (B:) observed residues (from ATOM records)
dqyigsihslckdqhgcrflqkqldilgskaadaifeetkdytvelmtdsfgnyliqkll
eevtteqrivltkissphfveislnphgtralqklieciktdeeaqivvdslrpytvqls
kdlngnhviqkclqrlkpenfqfifdaisdscidiathrhgccvlqrcldhgtteqcdnl
cdkllalvdkltldpfgnyvvqyiitkeaeknkydythkivhllkpraielsihkfgsnv
iekilktaivsepmileilnnggetgiqsllndsygnyvlqtaldishkqndylykrlse
ivapllvgpirntphgkriigml