    New chain ID            Original chain ID

9t7h_1-pdb-bundle1.pdb:
           A                         H
           B                        AA
           C                        AB
           D                        AC
           E                        AD
           F                        AE
           G                        AF
           H                        AG
           I                        AH
           J                        AI
           K                        AJ
           L                        AK
           M                        AL
           N                        AM
           O                        AN
           P                        AP
           Q                        AQ
           R                        AR
           S                        AS
           T                        AU
           U                        AV
           V                        AW
           W                        AX
           X                        AZ
           Y                        A0
           Z                        A3
           a                        AT
           b                        AO
           c                        BB
           d                        BY
           e                        BO
           f                        BC
           g                        B5
           h                        BL
           i                        Bf
           j                        BU
           k                        Bb
           l                        Be
           m                        BE
           n                        Ba
           o                        BT
           p                        BW
           q                        Bi
           r                        BI
           s                        BR
           t                        BK
           u                        BQ
           v                        BV
           w                        Bj
           x                        BG
           y                        BD
           z                        BF
           0                        BZ
           1                        B6
           2                        BP
           3                        BM
           4                        BS
           5                        Bd
           6                        BN
           7                        Bg
           8                        Bc
           9                        BJ
9t7h_1-pdb-bundle2.pdb:
           A                        Bl
           B                        B4
           C                        Bk
           D                        BA
