    New chain ID            Original chain ID

7ckc-pdb-bundle1.pdb:
           A                        AA
           B                        BA
           C                        CA
           D                        DA
           E                        AB
           F                        BB
           G                        CB
           H                        DB
           I                        AC
           J                        BC
           K                        CC
           L                        DC
           M                        AD
           N                        BD
           O                        CD
           P                        DD
           Q                        AE
           R                        BE
           S                        CE
           T                        DE
           U                        AF
           V                        BF
           W                        CF
           X                        DF
           Y                        AG
           Z                        BG
           a                        CG
           b                        DG
           c                        AH
           d                        BH
           e                        CH
           f                        DH
           g                        AI
           h                        BI
           i                        CI
           j                        DI
           k                        AJ
           l                        BJ
           m                        CJ
           n                        DJ
           o                        AK
           p                        BK
           q                        CK
           r                        DK
           s                        AL
           t                        BL
           u                        CL
           v                        DL
           w                        AM
           x                        BM
           y                        CM
           z                        DM
           0                        AN
           1                        BN
           2                        CN
           3                        DN
           4                        AO
           5                        BO
           6                        CO
           7                        DO
           8                        AP
           9                        BP

7ckc-pdb-bundle2.pdb:
           A                        CP
           B                        DP
           C                        AQ
           D                        BQ
           E                        CQ
           F                        DQ
           G                        AR
           H                        BR
           I                        CR
           J                        DR
           K                        AS
           L                        BS
           M                        CS
           N                        DS
           O                        AT
           P                        BT
           Q                        CT
           R                        DT
           S                        AV
           T                        BV
           U                        CV
           V                        DV
           W                        AW
           X                        BW
           Y                        CW
           Z                        DW
           a                        AX
           b                        BX
           c                        CX
           d                        DX
           e                        AY
           f                        BY
           g                        CY
           h                        DY
           i                        AZ
           j                        BZ
           k                        CZ
           l                        DZ
           m                        Aa
           n                        Ba
           o                        Ca
           p                        Da
           q                        Ab
           r                        Bb
           s                        Cb
           t                        Db
           u                        Ac
           v                        Bc
           w                        Cc
           x                        Dc
           y                        Ad
           z                        Bd
           0                        Cd
           1                        Dd
           2                        Ae
           3                        Be
           4                        Ce
           5                        De
           6                        Af
           7                        Bf
           8                        Cf
           9                        Df

7ckc-pdb-bundle3.pdb:
           A                        Ag
           B                        Bg
           C                        Cg
           D                        Dg
           E                        Ah
           F                        Bh
           G                        Ch
           H                        Dh
           I                        Ai
           J                        Bi
           K                        Ci
           L                        Di
           M                        Aj
           N                        Bj
           O                        Cj
           P                        Dj
           Q                        Ak
           R                        Bk
           S                        Ck
           T                        Dk
           U                        Al
           V                        Bl
           W                        Cl
           X                        Dl
           Y                        Am
           Z                        Bm
           a                        Cm
           b                        Dm
           c                        An
           d                        Bn
           e                        Cn
           f                        Dn
           g                        Ao
           h                        Bo
           i                        Co
           j                        Do
           k                        Ap
           l                        Bp
           m                        Cp
           n                        Dp
           o                        Aq
           p                        Bq
           q                        Cq
           r                        Dq
           s                        Ar
           t                        Br
           u                        Cr
           v                        Dr
           w                        As
           x                        Bs
           y                        Cs
           z                        Ds
           0                        At
           1                        Bt
           2                        Ct
           3                        Dt
           4                        Av
           5                        Bv
           6                        Cv
           7                        Dv
           8                        Aw
           9                        Bw

7ckc-pdb-bundle4.pdb:
           A                        Cw
           B                        Dw
           C                        Ax
           D                        Bx
           E                        Cx
           F                        Dx
           G                        Ay
           H                        By
           I                        Cy
           J                        Dy
           K                        Az
           L                        Bz
           M                        Cz
           N                        Dz
           O                        A0
           P                        B0
           Q                        C0
           R                        D0
           S                        A1
           T                        B1
           U                        C1
           V                        D1
           W                        A2
           X                        B2
           Y                        C2
           Z                        D2
           a                        A3
           b                        B3
           c                        C3
           d                        D3
           e                        A4
           f                        B4
           g                        C4
           h                        D4
           i                        A5
           j                        B5
           k                        C5
           l                        D5
           m                        A6
           n                        B6
           o                        C6
           p                        D6
           q                        A7
           r                        B7
           s                        C7
           t                        D7
           u                        A8
           v                        B8
           w                        C8
           x                        D8
           y                        A9
           z                        B9
           0                        C9
           1                        D9
