ATOM   6750 ZN    ZN A 820       9.170 716.260 141.420 21.00 54.80      A   ZN  
ATOM   6701 FE   HEM A 819      15.418   4.629  24.649  1.00 43.72      A   FE  
ATOM   6793 FE   HEM B 819       8.554   2.776  58.079  1.00 40.75      B   FE