Chain identifier should be blank not A: ATOM   6053 ZN    ZN A 775      61.291  46.967  48.598  1.00 19.97      A   ZN  
Chain identifier should be blank not B: ATOM   6067 ZN    ZN B 776      90.538  77.135  52.665  1.00 26.74      B   ZN  
Chain identifier should be blank not C: ATOM   6082 ZN    ZN C 777      32.539  35.338  53.561  1.00 30.51      C   ZN  
Chain identifier should be blank not B: ATOM   6068 ZN    ZN B 778      74.174  91.251  58.470  1.00 24.32      B   ZN  
Chain identifier should be blank not C: ATOM   6083 ZN    ZN C 779      63.028   6.386  48.271  1.00 53.21      C   ZN  

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