>1xx7F (F:) observed residues (from ATOM records)
sidlillagklkriprmgwlikgvpnpesvadhsyrvafitlllaeelkkkgveidveka
lkiaiihdlgeaiitdlplsaqkylnkeeaeakalkdvlpeytelfeeyskaltlegqlv
kiadkldmiiqayeyelsgaknlsefwnalisrylreiieevrrl