>1xx7D (D:) observed residues (from ATOM records)
sidlillagklkriprmgwlikgvpnpesvadhsyrvafitlllaeelkkkgveidveka
lkiaiihdlgeaiitdlplsaqkylnkeeaeakalkdvlpeytelfeeyskaltlegqlv
kiadkldmiiqayeyelsgaknlsefeisrylreiieevrr