    New chain ID            Original chain ID

7bqx_1-pdb-bundle1.pdb:
           A                        51
           B                        61
           C                        71
           D                        K1
           E                        G1
           F                        C1
           G                        B1
           H                        Y1
           I                        Z1
           J                        21
           K                        S1
           L                        T1
           M                        W1
           N                        x1
           O                        y1
           P                        e1
           Q                        f1
           R                        g1
           S                        52
           T                        62
           U                        72
           V                        K2
           W                        G2
           X                        C2
           Y                        B2
           Z                        Y2
           a                        Z2
           b                        22
           c                        S2
           d                        T2
           e                        W2
7bqx_1-pdb-bundle2.pdb:
           A                        W2
           B                        x2
           C                        y2
           D                        e2
           E                        f2
           F                        g2
           G                        53
           H                        63
           I                        73
           J                        K3
           K                        G3
           L                        C3
           M                        B3
           N                        Y3
           O                        Z3
           P                        23
           Q                        S3
           R                        T3
           S                        W3
           T                        x3
           U                        y3
           V                        e3
           W                        f3
           X                        g3
           Y                        54
           Z                        64
           a                        74
           b                        K4
           c                        G4
           d                        C4
           e                        B4
           f                        Y4
           g                        Z4
           h                        24
           i                        S4
7bqx_1-pdb-bundle3.pdb:
           A                        S4
           B                        T4
           C                        W4
           D                        x4
           E                        y4
           F                        e4
           G                        f4
           H                        g4
           I                        55
           J                        65
           K                        75
           L                        K5
           M                        G5
           N                        C5
           O                        B5
           P                        Y5
           Q                        Z5
           R                        25
           S                        S5
           T                        T5
           U                        W5
           V                        x5
7bqx_1-pdb-bundle4.pdb:
           A                        x5
           B                        y5
           C                        e5
           D                        f5
           E                        g5
