Chain identifier should be blank not A: ATOM   2413 ZN    ZN A 848     119.374  95.163 -36.652  1.00 32.99          ZN  
Chain identifier should be blank not B: ATOM   2459 ZN    ZN B 849     114.743  89.536 -20.298  1.00 37.52          ZN  
Chain identifier should be blank not A: ATOM   2414 ZN    ZN A 850     145.127 103.291 -21.624  1.00 28.72          ZN  

1