Chains and heterogens:
PDB Chain Sequences:
>4i15A (A:) knvpsravkrvtaitkvereavlvcelpsfdvtdvefdlfrarestdkpldvaaaiayrl llgsglpqkfgcsdevllnfilqcrkkyrnvpyhnfyhvvdvcqtihtflyrgnvyeklt elecfvllitalvhdldhmglnnsfylktesplgilssasgntsvlevhhcnlaveilsd pesdvfdglegaertlafrsmidcvlatdmakhgsaleaflasaadqssdeaafhrmtme iilkagdisnvtkpfdisrqwamavteefyrqgdmekergvevlpmfdrsknmelakgqi gfidfvaapffqkivdaclqgmqwtvdriksnraqwervletr
>4i15A (A:) vtaitkvereavlvcelpsfdvtdvefdlfrarestdkpldvaaaiayrlllgsglpqkf gcsdevllnfilqcrkkyrnvpyhnfyhvvdvcqtihtflyrgnvyekltelecfvllit alvhdldhmglnnsfylktesplgilssasgntsvlevhhcnlaveilsdpesdvfdgle gaertlafrsmidcvlatdmakhgsaleaflasaadqssdeaafhrmtmeiilkagdisn vtkpfdisrqwamavteefyrqgdmekergvevlpmfdrsknmelakgqigfidfvaapf fqkivdaclqgmqwtvdriksnraqwervletr
>4i15B (B:) knvpsravkrvtaitkvereavlvcelpsfdvtdvefdlfrarestdkpldvaaaiayrl llgsglpqkfgcsdevllnfilqcrkkyrnvpyhnfyhvvdvcqtihtflyrgnvyeklt elecfvllitalvhdldhmglnnsfylktesplgilssasgntsvlevhhcnlaveilsd pesdvfdglegaertlafrsmidcvlatdmakhgsaleaflasaadqssdeaafhrmtme iilkagdisnvtkpfdisrqwamavteefyrqgdmekergvevlpmfdrsknmelakgqi gfidfvaapffqkivdaclqgmqwtvdriksnraqwervletr
>4i15B (B:) vtaitkvereavlvcelpsfdvtdvefdlfrarestdkpldvaaaiayrlllgsglpqkf gcsdevllnfilqcrkkyrnvpyhnfyhvvdvcqtihtflyrgnvyekltelecfvllit alvhdldhmglnnsfylktesplgilssasgntsvlevhhcnlaveilsdpesdvfdgle gaertlafrsmidcvlatdmakhgsaleaflasaadqssdeaafhrmtmeiilkagdisn vtkpfdisrqwamavteefyrqgdmekergvevlpmfdrsknmelakgqigfidfvaapf fqkivdaclqgmqwtvdriksnraqwervletr