>4nsqD (D:) observed residues (from ATOM records)
kviefhvvgnspnkkilmwlvglqnvfshqlprmpkeyitrlvfdpkhktlalikdgrvi
ggicfrmfpsqgfteivfcavtsneqvkgygthlmnhlkeyhikhdilnfltyadeyaig
yfkkqgfskeikipktkyvgyikdyegatlmgcelnp