    New chain ID            Original chain ID

7d4i-pdb-bundle1.pdb:
           A                        3A
           B                        5A
           C                        SA
           D                        SC
           E                        SF
           F                        SG
           G                        SH
           H                        SI
           I                        SJ
           J                        SK
           K                        SM
           L                        SO
           M                        SP
           N                        SR
           O                        ST
           P                        SU
           Q                        SX
           R                        SY
           S                        SZ
           T                        Sc
           U                        Sd
           V                        3B
           W                        3C
           X                        3D
           Y                        3E
           Z                        3F
           a                        3G
           b                        3H
           c                        A4
           d                        A5
           e                        A8
           f                        A9
           g                        AE
           h                        AF

7d4i-pdb-bundle2.pdb:
           A                        AG
           B                        B1
           C                        B2
           D                        B3
           E                        B8
           F                        BE
           G                        B6
           H                        5B
           I                        5C
           J                        5D
           K                        5E
           L                        5F
           M                        5G
           N                        5H
           O                        5I
           P                        5J
           Q                        5K
           R                        RD
           S                        RE
           T                        RF
           U                        RG
           V                        RH
           W                        RJ
           X                        RK
           Y                        RN
           Z                        RO

7d4i-pdb-bundle3.pdb:
           A                        RP
           B                        RQ
           C                        RS
           D                        RT
           E                        RW
           F                        RZ
           G                        X1
           H                        X2
           I                        R5
           J                        R1
           K                        R3
           L                        R6
           M                        R2
           N                        M3
           O                        R0
           P                        r4
           Q                        C4
           R                        R4
           S                        r6
           T                        R7
           U                        M4
           V                        M6
