>3bfkA (A:) observed residues (from ATOM records)
dyydylfkivligdsgvgksnllsrftrdefnlgvefatksiqlnnkiikaqiwdtaits
ayyrgavgallvyditkknsfeniekwlkelrdnadsnivillvgnksdlkhlrvindnd
atqyakkeklafietsaleatnvelafhqllneiynvrq