>3zrcI (I:) observed residues (from ATOM records) vlrsvnsrepsqvifcnrsprvvlpvwlnfdgepqpyptlppgtgrrihsyrghlwlfrd agthdgllvnqtelfvpslnvdgqpifanitlpvytlkerclqvvrslvkpenyrrldiv rslyedledhpnvqkdlerltqeri