>4bksI (I:) observed residues (from ATOM records) vlrsvnsrepsqvifcnrsprvvlpvwlnfdgepqpyptlppgtgrrihsyrghlwlfrd agthdgllvnqtelfvpslnvdgqpifanitlpvytlkerclqvvrslvkpenyrrldiv rslyedledhpnvqkdlerltqer