>3is7B (B:) SEQRES residues
mkgdkkviqhlnkilgneliainqyflhsrmwndwglkrlgaheyhesidemkhadklie
rilfleglpnlqdlgklligentqemlqcdlnlelkatkdlreaivhceqvhdyvsrdll
kdileseeehidyletqlgliqkvglenylqshmhedd