>3is7N (N:) observed residues (from ATOM records)
gdkkviqhlnkilgneliainqyflhsrmwndwglkrlgaheyhesidemkhadklieri
lfleglpnlqdlgklligentqemlqcdlnlelkatkdlreaivhceqvhdyvsrdllkd
ileseeehidyletqlgliqkvglenylqshmhe