>4tocS (S:) observed residues (from ATOM records)
mkgdkkviqhlnkilgneliainqyflhsrmwndwglkrlgaheyhesidemkhadklie
rilfleglpnlqdlgklligentqemlqcdlnlelkatkdlreaivhceqvhdyvsrdll
kdileseeehidyletqlgliqkvglenyllshmhe