Chains and heterogens:
PDB Chain Sequences:
>1izcA (A:) maksyseqpelhakapyrsamltypgnlrqalkdamadpsktlmgvahgipstfvtkvla atkpdfvwidvehgmfnrlelhdaihaaqhhsegrslvivrvpkhdevslstaldagaag iviphvetveevrefvkemyygpigrrsfspwtfspgiadaslfpndpynvatsnnhvci ipqiesvkgvenvdaiaampeihglmfgpgdymidagldlngalsgvphptfveamtkfs taaqrngvpifggalsvdmvpslieqgyraiavqfdvwglsrlvhgslaqarasakqfag qgkaatdgttdetvdgaaeevangvskvkldeagdedka
>1izcA (A:) aksyseqpelhakapyrsamltypgnlrqalkdamadpsktlmgvahgipstfvtkvlaa tkpdfvwidvehgmfnrlelhdaihaaqhhsegrslvivrvpkhdevslstaldagaagi viphvetveevrefvkemyygpigrrsfspwtfspgiadaslfpndpynvatsnnhvcii pqiesvkgvenvdaiaampeihglmfgpgdymidagldlngalsgvphptfveamtkfst aaqrngvpifggalsvdmvpslieqgyraiavqfdvwglsrlvhgslaqarasakqfag