Chain identifier should be blank not A: ATOM   8465 ZN    ZN A1086      41.533 -10.080  11.331  1.00 42.42      A   ZN  
Chain identifier should be blank not B: ATOM   8512 ZN    ZN B1087       9.849 -37.132   4.728  1.00 35.42      B   ZN  
Chain identifier should be blank not C: ATOM   8559 ZN    ZN C1088      49.887 -27.658  50.363  1.00 47.98      C   ZN  

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