>3is7D (D:) observed residues (from ATOM records)
gdkkviqhlnkilgneliainqyflhsrmwndwglkrlgaheyhesidemkhadklieri
lfleglpnlqdlgklligentqemlqcdlnlelkatkdlreaivhceqvhdyvsrdllkd
ileseeehidyletqlgliqkvglenylqshmhe