ATOM   6746 ZN    ZN A 820       9.290 916.240 741.310 11.00 39.60      A   ZN  
ATOM   6697 FE   HEM A 819      15.709   4.533  24.499  1.00 33.59      A   FE  
ATOM   6789 FE   HEM B 819       8.730   2.742  58.001  1.00 33.28      B   FE