Chains and heterogens:
PDB Chain Sequences:
>4zy3A (A:) mghhhhhhdydipttenlyfqgapkvgrliytaggyfrqslsyleaynpsngswlrladl qvprsglagcvvggllyavggrnnspdgntdssaldcynpmtnqwspcasmsvprnrigv gvidghiyavggshgcihhssveryeperdewhlvapmltrrigvgvavlnrllyavggf dgtnrlnsaecyypernewrmitpmntirsgagvcvlhnciyaaggydgqdqlnsveryd vetetwtfvapmrhhrsalgitvhqgkiyvlggydghtfldsvecydpdsdtwsevtrmt sgrsgvgvavt
>4zy3A (A:) grliytaggyfrqslsyleaynpsngswlrladlqvprsglagcvvggllyavggrnnsp dgntdssaldcynpmtnqwspcasmsvprnrigvgvidghiyavggshgcihhssverye perdewhlvapmltrrigvgvavlnrllyavggfdgtnrlnsaecyypernewrmitpmn tirsgagvcvlhnciyaaggydgqdqlnsverydvetetwtfvapmrhhrsalgitvhqg kiyvlggydghtfldsvecydpdsdtwsevtrmtsgrsgvgvavt
>4zy3B (B:) mghhhhhhdydipttenlyfqgapkvgrliytaggyfrqslsyleaynpsngswlrladl qvprsglagcvvggllyavggrnnspdgntdssaldcynpmtnqwspcasmsvprnrigv gvidghiyavggshgcihhssveryeperdewhlvapmltrrigvgvavlnrllyavggf dgtnrlnsaecyypernewrmitpmntirsgagvcvlhnciyaaggydgqdqlnsveryd vetetwtfvapmrhhrsalgitvhqgkiyvlggydghtfldsvecydpdsdtwsevtrmt sgrsgvgvavt
>4zy3B (B:) grliytaggyfrqslsyleaynpsngswlrladlqvprsglagcvvggllyavggrnnsp dgntdssaldcynpmtnqwspcasmsvprnrigvgvidghiyavggshgcihhssverye perdewhlvapmltrrigvgvavlnrllyavggfdgtnrlnsaecyypernewrmitpmn tirsgagvcvlhnciyaaggydgqdqlnsverydvetetwtfvapmrhhrsalgitvhqg kiyvlggydghtfldsvecydpdsdtwsevtrmtsgrsgvgvavt