ATOM   6746 ZN    ZN A 820       9.320 316.170 541.210 31.00 36.10      A   ZN  
ATOM   6697 FE   HEM A 819      15.831   4.528  24.363  1.00 30.74      A   FE  
ATOM   6816 FE   HEM B 819       8.580   2.686  57.879  1.00 29.75      B   FE