    New chain ID            Original chain ID

8i9t-pdb-bundle1.pdb:
           A                        C1
           B                        C2
           C                        C3
           D                        CA
           E                        CB
           F                        CC
           G                        CE
           H                        CF
           I                        CG
           J                        CH
           K                        CI
           L                        CJ
           M                        CK
           N                        CL
           O                        CM
           P                        CN
           Q                        CO
           R                        CP
           S                        CQ
           T                        CR
           U                        CS
           V                        CU
           W                        CX
           X                        Cz
           Y                        Cb
           Z                        Ch
           a                        LB
           b                        LC

8i9t-pdb-bundle2.pdb:
           A                        LE
           B                        LF
           C                        LG
           D                        LH
           E                        LK
           F                        LL
           G                        LM
           H                        LN
           I                        LO
           J                        LP
           K                        LQ
           L                        LS
           M                        LT
           N                        LV
           O                        LX
           P                        LY
           Q                        Le
           R                        Lf
           S                        Lh
           T                        Li
           U                        Lj
           V                        Lq
           W                        Cc
           X                        Cd
           Y                        Ce
           Z                        Cf
           a                        Cg
