    New chain ID            Original chain ID

3ja1-pdb-bundle1.pdb:
           A                        SS
           B                        SA
           C                        S1
           D                        S2
           E                        ST
           F                        SU
           G                        SG
           H                        SH
           I                        SI
           J                        SJ
           K                        SK
           L                        SL
           M                        SM
           N                        SN
           O                        SO
           P                        SP
           Q                        SQ
           R                        SB
           S                        SC
           T                        SD
           U                        SE
           V                        SF
           W                        SR
           X                        S3
           Y                        LB

3ja1-pdb-bundle2.pdb:
           A                        LA
           B                        LD
           C                        LU
           D                        LV
           E                        LW
           F                        LX
           G                        LY
           H                        LZ
           I                        L0
           J                        L1
           K                        L2
           L                        LC
           M                        LE
           N                        L3
           O                        L4
           P                        L5
           Q                        L6
           R                        L7
           S                        LF
           T                        LG
           U                        LH
           V                        LJ
           W                        LN
           X                        LK
           Y                        LL
           Z                        LI
           a                        LO
           b                        LP
           c                        LM
           d                        LQ
           e                        LR
           f                        LS
           g                        LT
