    New chain ID            Original chain ID

9n6w-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

9n6w-pdb-bundle2.pdb:
           A                        LQ
           B                        LR
           C                        LS
           D                        LT
           E                        LU
           F                        LV
           G                        LW
           H                        LX
           I                        LY
           J                        LZ
           K                        NA
           L                        NB
           M                        NC
           N                        ND
           O                        NE
           P                        NF
           Q                        NG
           R                        NH
           S                        NI
           T                        NK
           U                        NM
           V                        NN
           W                        NQ
           X                        OA
           Y                        SA
           Z                        SB
           a                        SC
           b                        SD
           c                        SE
           d                        SF
           e                        SG
           f                        SH

9n6w-pdb-bundle3.pdb:
           A                        SI
           B                        SJ
           C                        SK
           D                        SL
           E                        SM
           F                        SN
           G                        SP
           H                        SQ
           I                        SR
           J                        SS
           K                        ST
           L                        SU
           M                        SV
           N                        SW
           O                        SY
           P                        SZ
