>1ydkB (B:) observed residues (from ATOM records)
kpklhyfnargrmestrwllaaagvefeekfiksaedldklrndgylmfqqvpmveidgm
klvqtrailnyiaskynlygkdikeralidmyiegiadlgemilllpvcppeekdaklal
ikekiknryfpafekvlkshgqdylvgnklsradihlvellyyveeldsslissfpllka
lktrisnlptvkkflqpgsprkppmdeksleearkafrf