    New chain ID            Original chain ID

6j5k-pdb-bundle1.pdb:
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F
           G                         J
           H                         G
           I                         H
           J                         I
           K                         S
           L                         b
           M                         c
           N                         d
           O                         e
           P                         f
           Q                         g
           R                         i
           S                         k
           T                         8
           U                         a
           V                         K
           W                         L
           X                         M
           Y                         N
           Z                         O
           a                         P
           b                         Q
           c                         R
           d                         u
           e                        AA
           f                        AB
           g                        AC
           h                        AD
           i                        AE
           j                        AF
           k                        AJ
           l                        AG
           m                        AH
           n                        AI
           o                        AS
           p                        Ab
           q                        Ac
           r                        Ad
           s                        Ae
           t                        Af
           u                        Ag
           v                        Ai
           w                        Ak
           x                        A8
           y                        Aa
           z                        AK
           0                        AL
           1                        AM
           2                        AN
           3                        AO
           4                        AP
           5                        AQ
           6                        AR
           7                        Au
           8                        BA
           9                        BB

6j5k-pdb-bundle2.pdb:
           A                        BC
           B                        BD
           C                        BE
           D                        BF
           E                        BJ
           F                        BG
           G                        BH
           H                        BI
           I                        BS
           J                        Bb
           K                        Bc
           L                        Bd
           M                        Be
           N                        Bf
           O                        Bg
           P                        Bi
           Q                        Bk
           R                        B8
           S                        Ba
           T                        BK
           U                        BL
           V                        BM
           W                        BN
           X                        BO
           Y                        BP
           Z                        BQ
           a                        BR
           b                        Bu
           c                        CA
           d                        CB
           e                        CC
           f                        CD
           g                        CE
           h                        CF
           i                        CJ
           j                        CG
           k                        CH
           l                        CI
           m                        CS
           n                        Cb
           o                        Cc
           p                        Cd
           q                        Ce
           r                        Cf
           s                        Cg
           t                        Ci
           u                        Ck
           v                        C8
           w                        Ca
           x                        CK
           y                        CL
           z                        CM
           0                        CN
           1                        CO
           2                        CP
           3                        CQ
           4                        CR
           5                        Cu
