    New chain ID            Original chain ID

7d5t-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                        SX
           P                        SY
           Q                        SZ
           R                        Sc
           S                        Sd
           T                        3B
           U                        3C
           V                        3D
           W                        3E
           X                        3F
           Y                        3G
           Z                        3H
           a                        A5
           b                        AE
           c                        AG
           d                        B1
           e                        B2
           f                        B3
           g                        B8
           h                        BE

7d5t-pdb-bundle2.pdb:
           A                        B6
           B                        5C
           C                        5D
           D                        5E
           E                        5F
           F                        5G
           G                        5H
           H                        5I
           I                        5J
           J                        5K
           K                        RD
           L                        RE
           M                        RF
           N                        RJ
           O                        RK
           P                        RN
           Q                        RP
           R                        RQ
           S                        RT
           T                        RZ
           U                        X1
