>3bsyA (A:) observed residues (from ATOM records)
rtekiyiygasghglvcedvaknmgykeciflddfkgmkfestlpkydffiaignneirk
kiyqkisengfkivnlihksalispsaiveenagilimpyvvinakakiekgvilntssv
iehecvigefshvsvgakcagnvkigkncflginscvlpnlsladdsilgggatlvknqd
ekgvfvgvpakrm