ATOM   6750 ZN    ZN A 820       9.019  16.295  41.214  1.00 51.89      A   ZN  
ATOM   6701 FE   HEM A 819      15.397   4.610  24.551  1.00 40.21      A   FE  
ATOM   6793 FE   HEM B 819       8.455   2.796  57.807  1.00 38.12      B   FE