I have files that look like:
我有这样的文件:
ATOM 2517 O VAL 160 8.337 12.679 -2.487
ATOM 2518 OXT VAL 160 7.646 12.461 -0.386
TER
ATOM 2519 N VAL 161 -14.431 5.789 -25.371
ATOM 2520 H1 VAL 161 -15.336 5.698 -25.811
ATOM 2521 H2 VAL 161 -13.416 10.529 17.708
ATOM 2522 H3 VAL 161 -14.363 9.436 18.498
ATOM 2523 CA VAL 161 4.400 9.233 16.454
ATOM 2524 HA VAL 161 3.390 9.170 16.047
ATOM 
