    New chain ID            Original chain ID

9syg-pdb-bundle1.pdb:
           A                        A0
           B                        A1
           C                        A2
           D                        A3
           E                        A4
           F                        A5
           G                        A6
           H                        A7
           I                        A8
           J                        AA
           K                        AB
           L                        AC
           M                        AD
           N                        AE
           O                        AG
           P                        AH
           Q                        AI
           R                        AJ
           S                        AK
           T                        AL
           U                        AM
           V                        AO
           W                        AP
           X                        AQ
           Y                        AR
           Z                        AS
           a                        AT
           b                        AU
           c                        AV
           d                        AW
           e                        AX
           f                        AY
           g                        AZ
           h                        Az

9syg-pdb-bundle2.pdb:
           A                        BA
           B                        BB
           C                        BC
           D                        BD
           E                        BE
           F                        BF
           G                        BG
           H                        BH
           I                        BI
           J                        BK
           K                        BL
           L                        BN
           M                        BO
           N                        BP
           O                        BQ
           P                        BR
           Q                        BS
           R                        BT
           S                        BU
           T                        BV
           U                        BW
           V                        BX
           W                        BY
           X                        BZ
           Y                        Ba

9syg-pdb-bundle3.pdb:
           A                        Bb
           B                        Bc
           C                        Bd
           D                        Be
           E                        Bf
           F                        Bg
           G                        Bh
           H                        Bi
           I                        Bj
           J                        Bk
           K                        Bl
           L                        Bm
           M                        Bn
           N                        Bo
           O                        Bp
           P                        Bq
           Q                        Br
           R                        Bs
           S                        Bt
           T                        Bu
           U                        Bv
           V                        Bw
           W                        Bx
           X                        By
           Y                        Bz
