    New chain ID            Original chain ID

9h4p-pdb-bundle1.pdb:
           A                        BD
           B                        BE
           C                        BF
           D                        QG
           E                        QH
           F                        QI
           G                        QJ
           H                        QE
           I                        QF
           J                        BA
           K                        BB
           L                        BC
           M                        SG
           N                        SH
           O                        SI
           P                        SJ
           Q                        SK
           R                        SL
           S                        SS
           T                        ST
           U                        SU
           V                        SV
           W                        SW
           X                        SX
           Y                        SM
           Z                        SN
           a                        SO
           b                        SP
           c                        SQ
           d                        SR
           e                        SB
           f                        SA
           g                        SC
           h                        SD
           i                        SE
           j                        SF
           k                        Sk
           l                        Sl
           m                        Sm
           n                        Sn
           o                        So
           p                        Sp
           q                        Se
           r                        Sf
           s                        Sg
           t                        Sh
           u                        Si
           v                        Sj
           w                        SY
           x                        SZ
           y                        Sa
           z                        Sb
           0                        Sc
           1                        Sd
           2                        B1
           3                        B2
           4                        B3
           5                        B4
           6                        B5

9h4p-pdb-bundle2.pdb:
           A                        B6
           B                        Sw
           C                        Sx
           D                        Sy
           E                        Sz
           F                        S1
           G                        S2
           H                        Sq
           I                        Sr
           J                        Ss
           K                        St
           L                        Su
           M                        Sv
           N                        P1
           O                        P2
           P                        P3
           Q                        P4
           R                        P5
           S                        P6
           T                        Pa
           U                        Pb
           V                        Pc
           W                        Pd
           X                        Pe
           Y                        Pf
           Z                        PT
           a                        PM
           b                        PN
           c                        PO
           d                        PP
           e                        PQ
           f                        PR
           g                        PS
           h                        PU
           i                        PV
           j                        PW
           k                        PX
           l                        PA
           m                        PB
           n                        PC
           o                        PD
           p                        PE
           q                        PF
           r                        PG
           s                        PH
           t                        PI
           u                        PJ
           v                        PK
           w                        PL
