    New chain ID            Original chain ID

9n76-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

9n76-pdb-bundle2.pdb:
           A                        LQ
           B                        LR
           C                        LS
           D                        LT
           E                        LZ
           F                        NA
           G                        NB
           H                        ND
           I                        NF
           J                        NG
           K                        NH
           L                        NI
           M                        NL
           N                        NM
           O                        NP
           P                        NQ
           Q                        NS
           R                        NV
           S                        OH
           T                        OU
           U                        SA
           V                        SB
           W                        SC
           X                        SD
           Y                        SE
           Z                        SF
           a                        SG
           b                        SH
           c                        SI
           d                        SJ
           e                        SK
           f                        SL
           g                        SM
           h                        SP
           i                        SQ

9n76-pdb-bundle3.pdb:
           A                        SR
           B                        SS
           C                        ST
           D                        SU
           E                        SV
           F                        SW
           G                        SY
           H                        SZ
