    New chain ID            Original chain ID

8zp8-pdb-bundle1.pdb:
           A                        4L
           B                        5A
           C                        5B
           D                        6A
           E                        6B
           F                        6C
           G                        7A
           H                        7B
           I                        7C
           J                        8B
           K                        A1
           L                        A2
           M                        A3
           N                        A5
           O                        A6
           P                        A7
           Q                        A8
           R                        A9
           S                        AB
           T                        AC
           U                        AK
           V                        AL
           W                        AM
           X                        AN
           Y                        B1
           Z                        B2
           a                        B3
           b                        B4
           c                        B5
           d                        B6
           e                        B7
           f                        B8
           g                        B9
           h                        BK
           i                        BL
           j                        C1
           k                        C2
           l                        C3
           m                        C4
           n                        CA
           o                        CB
           p                        N1
           q                        N2
           r                        N3
           s                        N4
           t                        N5
           u                        N6
           v                        QA
           w                        QB
           x                        QC
           y                        QD
           z                        QE
           0                        QF
           1                        QG
           2                        QH
           3                        QI
           4                        QJ
           5                        QK
           6                        Qa
           7                        Qb
           8                        Qc
           9                        Qd

8zp8-pdb-bundle2.pdb:
           A                        Qe
           B                        Qf
           C                        Qg
           D                        Qh
           E                        Qi
           F                        Qj
           G                        S1
           H                        S2
           I                        S3
           J                        S4
           K                        S5
           L                        S6
           M                        S7
           N                        S8
           O                        V1
           P                        V2
           Q                        V3
