    New chain ID            Original chain ID

9cai-pdb-bundle1.pdb:
           A                        AA
           B                        CA
           C                        DA
           D                        AB
           E                        CB
           F                        AC
           G                        AD
           H                        AE
           I                        A7
           J                        A8
           K                        B2

9cai-pdb-bundle2.pdb:
           A                        A5
           B                        AR

9cai-pdb-bundle3.pdb:
           A                        AK
           B                        AW
           C                        AS
           D                        AT
           E                        Aa
           F                        Af
           G                        AO
           H                        AI
           I                        AF
           J                        AM
           K                        AV
           L                        AN
           M                        AZ
           N                        Ad
           O                        AY
           P                        AU
           Q                        AG
           R                        Ab
           S                        AP
           T                        Ac
           U                        Ae
           V                        AX
           W                        AL
           X                        AJ
           Y                        AQ
           Z                        AH
           a                        CF
           b                        CS
           c                        CV
           d                        CU
           e                        CL
           f                        CG
           g                        CI
           h                        CO
           i                        CC
           j                        Ch
           k                        CE
           l                        Co
           m                        Cf
           n                        Ci
           o                        Cl
           p                        CN
           q                        Ca

9cai-pdb-bundle4.pdb:
           A                        Cp
           B                        CM
           C                        Cc
           D                        CH
           E                        CY
           F                        CR
           G                        Cb
           H                        CQ
           I                        CT
           J                        CD
           K                        CZ
           L                        CP
           M                        Cn
           N                        Cg
           O                        Ck
           P                        Cm
           Q                        Cd
           R                        Ce
           S                        CW
           T                        Cj
           U                        CJ
           V                        CX
           W                        DC
