Chains and heterogens:
PDB Chain Sequences:
>8prn_ (-) mislngygrfglqyvedrgvgledtiissrlrinivgttetdqgvtfgaalamqwddgda fagtagnaaqfwtsyngvtvsvgnvdtafdsvaltyasamgyeassfgdaqssffaynsk ydasgaldnyngiavtysisgvnlylsyvdpdqtvdsslvteefgiaadwsndmislaaa yttdaggivdndiafvgaaykfndagtvglnwydnglstagdqvtlygnyafgattvray vsdidragadtaygigadyqfaegvkvsgsvqsgfanetvadvgvrfdf