Chain identifier should be blank not A: ATOM   2382 ZN    ZN A 814      31.172  55.826  22.186  1.00 70.58          ZN  
Chain identifier should be blank not A: ATOM   2383 ZN    ZN A 815      10.374  59.018   4.299  1.00 36.86          ZN  
Chain identifier should be blank not B: ATOM   2428 ZN    ZN B 816       7.959  58.365  22.316  1.00 55.42          ZN  

1