    New chain ID            Original chain ID

6hiz-pdb-bundle1.pdb:
           A                        DA
           B                        DL
           C                        DB
           D                        DC
           E                        DE
           F                        DF
           G                        DG
           H                        DH
           I                        DJ
           J                        DK
           K                        DT
           L                        DV
           M                        DW
           N                        DX
           O                        DY
           P                        CC
           Q                        CI
           R                        CJ
           S                        CK
           T                        CN
           U                        CR
           V                        CS
           W                        Cg
           X                        Ci
           Y                        Ck
           Z                        CA
           a                        UO
           b                        UP
