ATOM   6750 ZN    ZN A 820       9.110 816.180 441.210 31.00 39.90      A   ZN  
ATOM   6701 FE   HEM A 819      15.685   4.590  24.453  1.00 34.88      A   FE  
ATOM   6793 FE   HEM B 819       8.284   2.670  57.758  1.00 34.42      B   FE