Chains and heterogens:
PDB Chain Sequences:
>1hcb_ (-) pdwgyddkngpeqwsklypiangnnqspvdiktsetkhdtslkpisvsynpatakeiinv ghsfhvnfedndnrsvlkggpfsdsyrlfqfhfhwgstnehgsehtvdgvkysaelhvah wnsakysslaeaaskadglavigvlmkvgeanpklqkvldalqaiktkgkrapftnfdps tllpssldfwtypgslthpplyesvtwiickesisvsseqlaqfrsllsnvegdnavpmq hnnrptqplkgrtvrasf