>3is7R (R:) observed residues (from ATOM records) kgdkkviqhlnkilgneliainqyflhsrmwndwglkrlgaheyhesidemkhadklier ilfleglpnlqdlgklligentqemlqcdlnlelkatkdlreaivhceqvhdyvsrdllk dileseeehidyletqlgliqkvglenylqshmhe