    New chain ID            Original chain ID

9if8-pdb-bundle1.pdb:
           A                        LA
           B                        LB
           C                        LC
           D                        LD
           E                        LF
           F                        LG
           G                        LH
           H                        LJ
           I                        LL
           J                        LN
           K                        LP
           L                        LQ
           M                        LR
           N                        LS
           O                        LT
           P                        LV
           Q                        LW
           R                        LY
           S                        LZ
           T                        SA
           U                        SC
           V                        SD
           W                        SF
           X                        SJ
           Y                        SK
           Z                        SL
           a                        SN
           b                        SO
           c                        SP
           d                        SS

9if8-pdb-bundle2.pdb:
           A                        ST
           B                        SU
           C                        SV
           D                        SW
           E                        TN
           F                        UX
           G                        62
           H                        63
           I                        64
           J                        65
           K                        66
           L                        67
           M                         A
           N                        RN
           O                        24
           P                        25
           Q                        2C
           R                        2D
           S                        2H
           T                        2I
           U                        2J
           V                        51
           W                        52
           X                        53
           Y                        5B
           Z                        5E
           a                        5F
           b                        5G
           c                        LE
           d                        LO
           e                        N2
           f                        N5
           g                        N6
           h                        U1
           i                        U2
           j                        U3
           k                        UB
           l                        UE
           m                        UF
           n                        UG
