>8jjk_A mol:protein length:216 bis(5'-nucleosyl)-tetraphosphatase (symmetrical)MSYQDYINCSREALLEKMAELLPEKRLTHCLGVERAAMELAQRFGVDVEKASLAGLLHDYAKKLSDQEFLVLIDRYQLDPDLKNWGNNVWHGMVGIYKIQEDLDLHDSEILRAIEIHTVGAGQMTDLDKVIYVADYIEHNRAFPGVDVAREIASLSLNKAVAYETARTVEYLAHQGFPIYPQTLETYNAFVHYLKEDLEENLYFQGHHHHHHHHHH