    New chain ID            Original chain ID

9n75-pdb-bundle1.pdb:
           A                        L0
           B                        L1
           C                        L2
           D                        L3
           E                        L4
           F                        L5
           G                        L6
           H                        L7
           I                        L8
           J                        L9
           K                        LC
           L                        LD
           M                        LE
           N                        LF
           O                        LG
           P                        LH
           Q                        LI
           R                        LJ
           S                        LK
           T                        LL
           U                        LM
           V                        LN
           W                        LO
           X                        LP

9n75-pdb-bundle2.pdb:
           A                        LQ
           B                        LR
           C                        LS
           D                        LT
           E                        LW
           F                        LZ
           G                        NA
           H                        NB
           I                        ND
           J                        NF
           K                        NG
           L                        NH
           M                        NI
           N                        NL
           O                        NM
           P                        NP
           Q                        NQ
           R                        NS
           S                        NV
           T                        OH
           U                        OU
           V                        SA
           W                        SB
           X                        SC
           Y                        SD
           Z                        SE
           a                        SF
           b                        SG
           c                        SH
           d                        SI
           e                        SJ
           f                        SK
           g                        SL
           h                        SM

9n75-pdb-bundle3.pdb:
           A                        SP
           B                        SQ
           C                        SR
           D                        SS
           E                        ST
           F                        SU
           G                        SV
           H                        SW
           I                        SY
           J                        SZ
