Chains and heterogens:
PDB Chain Sequences:
>2a3bA (A:) mrfatstivkvalllsslcvdaavmwnrdtsstdlearassgyrsvvyfvnwaiygrnhn pqdlpverlthvlyafanvrpetgevymtdswadiekhypgdswsdtgnnvygcikqlyl lkkqnrnlkvllsiggwtyspnfapaastdagrknfaktavkllqdlgfdgldidweype ndqqandfvlllkevrtaldsysaanaggqhflltvaspagpdkikvlhlkdmdqqldfw nlmaydyagsfsslsghqanvyndtsnplstpfntqtaldlyraggvpankivlgmplyg rsfantdgpgkpyngvgqgswengvwdykalpqagatehvlpdimasysydatnkflisy dnpqvanlksgyikslglggamwwdsssdktgsdslittvvnalggtgvfeqsqneldyp vsqydnlrngmqt
>2a3bA (A:) assgyrsvvyfvnwaiygrnhnpqdlpverlthvlyafanvrpetgevymtdswadiekh ypgdswsdtgnnvygcikqlyllkkqnrnlkvllsiggwtyspnfapaastdagrknfak tavkllqdlgfdgldidweypendqqandfvlllkevrtaldsysaanaggqhflltvas pagpdkikvlhlkdmdqqldfwnlmaydyagsfsslsghqanvyndtsnplstpfntqta ldlyraggvpankivlgmplygrsfantdgpgkpyngvgqgswengvwdykalpqagate hvlpdimasysydatnkflisydnpqvanlksgyikslglggamwwdsssdktgsdslit tvvnalggtgvfeqsqneldypvsqydnlrngmq
>2a3bB (B:) mrfatstivkvalllsslcvdaavmwnrdtsstdlearassgyrsvvyfvnwaiygrnhn pqdlpverlthvlyafanvrpetgevymtdswadiekhypgdswsdtgnnvygcikqlyl lkkqnrnlkvllsiggwtyspnfapaastdagrknfaktavkllqdlgfdgldidweype ndqqandfvlllkevrtaldsysaanaggqhflltvaspagpdkikvlhlkdmdqqldfw nlmaydyagsfsslsghqanvyndtsnplstpfntqtaldlyraggvpankivlgmplyg rsfantdgpgkpyngvgqgswengvwdykalpqagatehvlpdimasysydatnkflisy dnpqvanlksgyikslglggamwwdsssdktgsdslittvvnalggtgvfeqsqneldyp vsqydnlrngmqt
>2a3bB (B:) assgyrsvvyfvnwaiygrnhnpqdlpverlthvlyafanvrpetgevymtdswadiekh ypgdswsdtgnnvygcikqlyllkkqnrnlkvllsiggwtyspnfapaastdagrknfak tavkllqdlgfdgldidweypendqqandfvlllkevrtaldsysaanaggqhflltvas pagpdkikvlhlkdmdqqldfwnlmaydyagsfsslsghqanvyndtsnplstpfntqta ldlyraggvpankivlgmplygrsfantdgpgkpyngvgqgswengvwdykalpqagate hvlpdimasysydatnkflisydnpqvanlksgyikslglggamwwdsssdktgsdslit tvvnalggtgvfeqsqneldypvsqydnlrngmq