Chain identifier should be blank not A: ATOM   5885 ZN    ZN A 776      61.274  46.658  49.056  1.00 21.35      A   ZN  
Chain identifier should be blank not B: ATOM   5901 ZN    ZN B 777      90.241  77.027  53.954  1.00 30.68      B   ZN  
Chain identifier should be blank not C: ATOM   5918 ZN    ZN C 778      32.564  35.560  53.964  1.00 27.96      C   ZN  
Chain identifier should be blank not B: ATOM   5902 ZN    ZN B 779      74.120  90.840  59.751  1.00 21.26      B   ZN  
Chain identifier should be blank not C: ATOM   5919 ZN    ZN C 780      62.405   6.411  48.767  1.00 58.80      C   ZN  

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