    New chain ID            Original chain ID

9scu-pdb-bundle1.pdb:
           A                         5
           B                        Ck
           C                        CA
           D                        CK
           E                        Cp
           F                        Cl
           G                        CY
           H                        CL
           I                         6
           J                        Cm
           K                        CZ
           L                        CM
           M                         7
           N                        CN
           O                        Ca
           P                         w
           Q                        Cb
           R                        CO
           S                        CB
           T                        CP
           U                        Cc
           V                        CQ
           W                        CC
           X                        CR
           Y                        Cd
           Z                        CS
           a                        CD

9scu-pdb-bundle2.pdb:
           A                        CT
           B                        Ce
           C                        CV
           D                        CE
           E                        CW
           F                        Cf
           G                        CX
           H                        CF
           I                        Cg
           J                        CG
           K                        Ch
           L                        CH
           M                        Ci
           N                        CI
           O                        Cj
           P                        CJ
