    New chain ID            Original chain ID

9n78-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                        LS
           X                        NA
           Y                        NB
           Z                        ND
           a                        NF
           b                        NG
           c                        NL
           d                        NM
           e                        NP
           f                        NQ
           g                        NS
           h                        NV
           i                        OH
           j                        OU
           k                        SA
           l                        SB
           m                        SC

9n78-pdb-bundle2.pdb:
           A                        SD
           B                        SE
           C                        SF
           D                        SG
           E                        SH
           F                        SI
           G                        SJ
           H                        SK
           I                        SL
           J                        SM
           K                        SP
           L                        SQ
           M                        SR
           N                        SS
           O                        ST
           P                        SU
           Q                        SV
           R                        SW
           S                        SY
           T                        SZ
