    New chain ID            Original chain ID

6q15-pdb-bundle1.pdb:
           A                        AA
           B                        AB
           C                        AC
           D                        AD
           E                        AE
           F                        AF
           G                        AG
           H                        AH
           I                        AI
           J                         E
           K                         Q
           L                         R
           M                         S
           N                         T
           O                         U
           P                         V
           Q                         W
           R                         X
           S                         Y
           T                         Z
           U                        AL
           V                         a
           W                         b
           X                         c
           Y                         d
           Z                         e
           a                         f
           b                         g
           c                         h
           d                         i
           e                         j
           f                         k
           g                         l
           h                         m
           i                         n
           j                         o
           k                         p
           l                         q
           m                         r
           n                         s
           o                         t
           p                         u
           q                         v
           r                         w
           s                         x
           t                         y
           u                         z
           v                        AJ
           w                        AK
           x                         0
           y                         1
           z                         2
           0                         3
           1                         4
           2                         5
           3                         6
           4                         7
           5                         8
           6                         9
           7                        AM
           8                        AN
           9                        AO

6q15-pdb-bundle2.pdb:
           A                        AP
           B                        AQ
           C                        AR
           D                        AS
           E                        AT
           F                        AU
           G                        AV
           H                        AW
           I                        AX
           J                        AY
           K                         A
           L                         B
           M                         C
           N                         D
           O                         F
           P                         G
           Q                         H
           R                         I
           S                         J
           T                         K
           U                         L
           V                         M
           W                         N
           X                         O
           Y                         P
           Z                        AZ
           a                        BB
           b                        BD
           c                        BE
           d                        BJ
           e                        BK
           f                        BF
           g                        BL
           h                        BG
           i                        BM
           j                        BH
           k                        BN
           l                        BI
           m                        BO
           n                        BP
           o                        BQ
           p                        BC
           q                        BA
           r                        BV
           s                        BU
           t                        BT
           u                        BS
           v                        BR
