>1dk5B (B:) observed residues (from ATOM records)
hmasltvpahvpsaaedceqlrsafkgwgtnekliisilahrtaaqrklirqtyaetfge
dllkeldrelthdfeklvlvwtldpserdahlakeatkrwtksnfvlvelactrspkelv
lareayharykksleedvayhttgdhrkllvplvssyryggeevdlrlakaeskilheki
sdkaysddevirilatrskaqlnatlnhykdehgedilkqledgdefvallratikglvy
pehyfvevlrdainrrgteedhltrviatraevdlkiiadeyqkrdsiplgraiakdtrg
dyesmllallgqee