ATOM   6661 ZN    ZN A 819       9.180 516.140 941.510 21.00 44.50      A   ZN  
ATOM   6662 FE   HEM A 818      15.775   4.384  24.624  1.00 34.78      A   FE  
ATOM   6741 FE   HEM B 818       8.124   2.651  58.312  1.00 36.55      B   FE