    New chain ID            Original chain ID

9if7_1-pdb-bundle1.pdb:
           A                        L7
           B                        L8
           C                        L9
           D                        LA
           E                        LB
           F                        LC
           G                        LD
           H                        LF
           I                        LG
           J                        LH
           K                        LJ
           L                        LL
           M                        LN
           N                        LP
           O                        LQ
           P                        LR
           Q                        LS
           R                        LT
           S                        LV
           T                        LW
           U                        LY
           V                        LZ
           W                        SA
           X                        SC
           Y                        SD
           Z                        SF
           a                        SJ
           b                        SK
           c                        SL
           d                        SN
           e                        SO
9if7_1-pdb-bundle2.pdb:
           A                        SO
           B                        SP
           C                        SQ
           D                        SS
           E                        ST
           F                        SU
           G                        SV
           H                        SW
           I                        TN
           J                        62
           K                        63
           L                        64
           M                        65
           N                        66
           O                        67
           P                        68
           Q                        24
           R                        25
           S                        2C
           T                        2D
           U                        2H
           V                        2I
           W                        2J
           X                        51
           Y                        52
           Z                        53
           a                        5B
           b                        5E
           c                        5F
           d                        5G
           e                        U1
           f                        U2
           g                        U3
           h                        UB
           i                        UE
           j                        UF
           k                        UG
