    New chain ID            Original chain ID

23as_1-pdb-bundle1.pdb:
           A                         0
           B                         1
           C                         2
           D                         3
           E                         4
           F                         5
           G                         6
           H                         7
           I                         8
           J                         9
           K                         A
           L                        AA
           M                        AB
           N                        AC
           O                        AD
           P                        AE
           Q                        AF
           R                        AG
           S                        AH
           T                        AI
           U                        AJ
           V                        AK
           W                        AL
           X                        AM
           Y                        AN
           Z                        AO
           a                        AP
           b                        AQ
           c                        AR
           d                        AS
           e                         B
           f                         C
           g                         D
23as_1-pdb-bundle2.pdb:
           A                         D
           B                         E
           C                         F
           D                         G
           E                         H
           F                         I
           G                         J
           H                         K
           I                         L
           J                         M
           K                         N
           L                         O
           M                         P
           N                         Q
           O                         R
           P                         S
           Q                         T
           R                         U
           S                         V
           T                         W
           U                         X
           V                         Y
           W                         Z
           X                         a
           Y                         b
           Z                         c
           a                         d
           b                         e
           c                         f
           d                         g
           e                         h
           f                         i
           g                         j
23as_1-pdb-bundle3.pdb:
           A                         j
           B                         k
           C                         l
           D                         m
           E                         n
           F                         o
           G                         p
           H                         q
           I                         r
           J                         s
           K                         t
           L                         u
           M                         v
           N                         w
           O                         x
           P                         y
           Q                         z
