    New chain ID            Original chain ID

8fl0-pdb-bundle1.pdb:
           A                        BA
           B                        L3
           C                        L4
           D                        L5
           E                        L7
           F                        L8
           G                        LB
           H                        LC
           I                        LE
           J                        LG
           K                        LL
           L                        LN
           M                        LQ
           N                        LT
           O                        NB
           P                        NC
           Q                        ND
           R                        NF
           S                        NJ
           T                        NK
           U                        NZ
           V                        SA
           W                        SB
           X                        SC
           Y                        SD
           Z                        SG
           a                        SK
           b                        SQ
           c                        SR
           d                        ST
           e                        SV
