>3k7oB (B:) observed residues (from ATOM records)
rrvaigtdhpafaihenlilyvkeagdefvpvycgpktaesvdypdfasrvaemvarkev
efgvlacgsgigmsiaankvpgvraalchdhytaamsrihndanivcvgerttgvevire
iiitflqtpfsgeerhvrriekiraieash