Chain identifier should be blank not A: ATOM   5892 ZN    ZN A 776      60.996  46.614  48.606  1.00 22.13      A   ZN  
Chain identifier should be blank not B: ATOM   5903 ZN    ZN B 777      90.064  76.516  52.700  1.00 28.34      B   ZN  
Chain identifier should be blank not C: ATOM   5915 ZN    ZN C 778      32.319  35.546  53.492  1.00 29.85      C   ZN  
Chain identifier should be blank not B: ATOM   5904 ZN    ZN B 779      73.918  90.720  58.535  1.00 23.15      B   ZN  
Chain identifier should be blank not C: ATOM   5916 ZN    ZN C 780      62.580   6.683  48.486  1.00 55.61      C   ZN  

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