Chains and heterogens:
PDB Chain Sequences:
>1bnw_ (-) shhwgygkhngpehwhkdfpiakgerqspvdidthtakydpslkplsvsydqatslriln nghafnvefddsqdkavlkggpldgtyrliqfhfhwgsldgqgsehtvdkkkyaaelhlv hwntkygdfgkavqqpdglavlgiflkvgsakpglqkvvdvldsiktkgksadftnfdpr gllpesldywtypgslttppllecvtwivlkepisvsseqvlkfrklnfngegepeelmv dnwrpaqplknrqikasfk
>1bnw_ (-) hwgygkhngpehwhkdfpiakgerqspvdidthtakydpslkplsvsydqatslrilnng hafnvefddsqdkavlkggpldgtyrliqfhfhwgsldgqgsehtvdkkkyaaelhlvhw ntkygdfgkavqqpdglavlgiflkvgsakpglqkvvdvldsiktkgksadftnfdprgl lpesldywtypgslttppllecvtwivlkepisvsseqvlkfrklnfngegepeelmvdn wrpaqplknrqikasf