>4tocO (O:) observed residues (from ATOM records)
kgdkkviqhlnkilgneliainqyflhsrmwndwglkrlgaheyhesidemkhadklier
ilfleglpnlqdlgklligentqemlqcdlnlelkatkdlreaivhceqvhdyvsrdllk
dileseeehidyletqlgliqkvglenyllshmhe