Chains and heterogens:
PDB Chain Sequences:
>1hcz_ (-) ypifaqqnyenpreatgrivcanchlaskpvdievpqavlpdtvfeavvkipydmqlkqv langkkgalnvgavlilpegfelappdrispemkekignlsfqnyrpnkknilvigpvpg qkyseitfpilapdpatnkdvhflkypiyvggnrgrgqiypdgsksnntvynataggiis kilrkekggyeitivdasnerqvidiiprglellvsegesikldqpltsnpnvggfgqgd aeivlqdplrvq
>1hcz_ (-) ypifaqqnyenpreatgrivcanchlaskpvdievpqavlpdtvfeavvkipydmqlkqv langkkgalnvgavlilpegfelappdrispemkekignlsfqnyrpnkknilvigpvpg qkyseitfpilapdpatnkdvhflkypiyvggnrgrgqiypdgsksnntvynataggiis kilrkekggyeitivdasnerqvidiiprglellvsegesikldqpltsnpnvggfgqgd aeivlqdplr