Chain identifier should be blank not A: ATOM   7807 MG    MG A 961      19.423 121.858  10.301  1.00 38.99      A   MG  
Chain identifier should be blank not B: ATOM   7842 MG    MG B 962      28.512 160.459  27.512  1.00 38.34      B   MG  
Chain identifier should be blank not C: ATOM   7877 MG    MG C 963      11.221 141.971  62.296  1.00 35.30      C   MG  
Chain identifier should be blank not A: ATOM   7806 ZN    ZN A 964      21.323 122.061  14.279  1.00 42.04      A   ZN  
Chain identifier should be blank not B: ATOM   7841 ZN    ZN B 965      29.358 164.227  27.218  1.00 45.43      B   ZN  
Chain identifier should be blank not C: ATOM   7876 ZN    ZN C 966      15.483 142.457  62.642  1.00 46.25      C   ZN  

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