    New chain ID            Original chain ID

9yft-pdb-bundle1.pdb:
           A                        FA
           B                        LA
           C                        TA
           D                        TB
           E                        TC
           F                        TD
           G                        TE
           H                        TF
           I                        TG
           J                        TH
           K                        TI
           L                        TJ
           M                        TK
           N                        TL
