>4k6cB (B:) observed residues (from ATOM records)
kriavvtggmgglgeavsirlndaghrvvvtyspnntgadrwltemhaagrefhaypvdv
adhdscqqciekivrdvgpvdilvnnagitrdmtlrkldkvnwdavirtnldsvfnmtkp
vcdgmvergwgrivnissvngskgsvgqtnyaaakagmhgftkslaleiarkgvtvntvs
pgylatkmvtaipqdildtkilpqipagrlgkpeevaalvaylcseeagfvtgsniaing
gqhmh