    New chain ID            Original chain ID

3jan-pdb-bundle1.pdb:
           A                         A
           D                         D
           G                         G
           H                         H
           J                         J
           L                         L
           M                         M
           N                         N
           O                         O
           Q                         Q
           R                         R
           S                         S
           T                         T
           U                         U
           V                         V
           X                         X
           Y                         Y
           Z                         Z
           a                         a
           b                         b
           c                         c
           d                         d
           e                         e
           f                         f
           g                         g
           h                         h
           i                         i
           k                         k
           l                         l
           m                         m
           o                         o

3jan-pdb-bundle2.pdb:
           5                         5
           7                         7
           8                         8
           B                         B
           C                         C
           E                         E
           F                         F
           I                         I
           P                         P
           W                         W
           j                         j
           n                         n
           p                         p

3jan-pdb-bundle3.pdb:
           A                         r
           B                         K
           C                         q
           D                         z
           E                         3
           F                         4
           G                         9
           H                         6
           I                        S2
           J                        SA
           K                        SB
           L                        SC
           M                        SE
           N                        SG
           O                        SH
           P                        SI
           Q                        SJ
           R                        SL
           S                        SN
           T                        SO
           U                        SV
           V                        SW
           W                        SX
           X                        SY
           Y                        Sa
           Z                        Sb
           a                        Se
           b                        SD
           c                        SF
           d                        SK
           e                        SM
           f                        SP
           g                        SQ
           h                        SR
           i                        SS
           j                        ST
           k                        SU
           l                        SZ
           m                        Sc
           n                        Sd
           o                        Sf
           p                        Sg
           q                        S1
           r                        S4
