    New chain ID            Original chain ID

4v9l-pdb-bundle1.pdb:
           A                        AB
           B                        AC
           C                        AD
           D                        AE
           E                        AF
           F                        AG
           G                        AH
           H                        AI
           I                        AJ
           J                        AK
           K                        AL
           L                        AM
           M                        AN
           N                        AO
           O                        AP
           P                        AQ
           Q                        AR
           R                        AS
           S                        AT
           T                        AA
           U                        AW
           V                        AV
           W                        AY
           X                        AU
           Y                        BC
           Z                        BD
           a                        BE
           b                        BF
           c                        BG
           d                        BH
           e                        BJ
           f                        BK
           g                        BN
           h                        BO
           i                        BP
           j                        BQ
           k                        BR
           l                        BS
           m                        BT
           n                        BU
           o                        BV
           p                        BW
           q                        BX
           r                        BY
           s                        BZ
           t                        B0
           u                        B2
           v                        B3
           w                        B5
           x                        B6
           y                        B7
           z                        B8
           0                        B9
           1                        Be
           2                        Bf
           3                        Bg
           4                        Bh
           5                        B1
           6                        B4

4v9l-pdb-bundle2.pdb:
           A                        BA
           B                        BB
           C                        CB
           D                        CC
           E                        CD
           F                        CE
           G                        CF
           H                        CG
           I                        CH
           J                        CI
           K                        CJ
           L                        CK
           M                        CL
           N                        CM
           O                        CN
           P                        CO
           Q                        CP
           R                        CQ
           S                        CR
           T                        CS
           U                        CT

4v9l-pdb-bundle3.pdb:
           A                        CA
           B                        CW
           C                        CV
           D                        CY
           E                        CU
           F                        DC
           G                        DD
           H                        DE
           I                        DF
           J                        DG
           K                        DH
           L                        DJ
           M                        DK
           N                        DN
           O                        DO
           P                        DP
           Q                        DQ
           R                        DR
           S                        DS
           T                        DT
           U                        DU
           V                        DV
           W                        DW
           X                        DX
           Y                        DY
           Z                        DZ
           a                        D0
           b                        D2
           c                        D3
           d                        D5
           e                        D6
           f                        D7
           g                        D8
           h                        D9
           i                        De
           j                        Df
           k                        Dg
           l                        Dh
           m                        D1
           n                        D4

4v9l-pdb-bundle4.pdb:
           A                        DA
           B                        DB
