Chains and heterogens:
PDB Chain Sequences:
>1zsc_ (-) hwgygkhngpehwhkdfpiakgerqspvdidthtakydpslkplsvsydqatslrilnng hafnvefddsqdkavlkggpldgtyrliqfhfhwgsldgqgsehtvdkkkyaaqlhlvhw ntkygdfgkavqqpdglavlgiflkvgsakpglqkvvdvldsiktkgksadftnfdprgl lpesldywtypgslttppllecvtwivlkepisvsseqvlkfrklnfngegepeelmvdn wrpaqplknrqikasfk