Chain identifier should be blank not A: ATOM 3146 ZN ZN A 331 -1.963 25.630 53.571 1.00 11.06 A ZN Chain identifier should be blank not B: ATOM 3197 ZN ZN B 332 19.430 4.648 59.145 1.00 11.83 B ZN Chain identifier should be blank not A: ATOM 3147 ZN ZN A 333 -1.702 19.392 64.436 1.00 11.55 A ZN Chain identifier should be blank not B: ATOM 3198 ZN ZN B 334 14.696 12.509 67.991 1.00 10.54 B ZN 1