ATOM   6661 ZN    ZN A 819       8.940 916.170 741.230 21.00 30.60      A   ZN  
ATOM   6662 FE   HEM A 818      15.472   4.407  24.386  1.00 18.07      A   FE  
ATOM   6743 FE   HEM B 818       8.247   2.481  57.882  1.00 17.22      B   FE