Chains and heterogens:
PDB Chain Sequences:
>1bj4A (A:) dadlwsshdamlaqplkdsdvevyniikkesnrqrvgleliasenfasravlealgscln nkysegypgqryyggtefideletlcqkralqaykldpqcwgvnvqpysgspanfavyta lvephgrimgldlpdgghlthgfmtdkkkisatsiffesmpykvnpdtgyinydqleena rlfhpkliiagtscysrnleyarlrkiadengaylmadmahisglvaagvvpspfehchv vtttthktlrgcragmifyrkgvksvdpatgkeilynleslinsavfpglqggphnhaia gvavalkqamtlefkvyqhqvvancralsealtelgykivtggsdnhlilvdlrskgtdg graekvleacsiacnkntcpgdrsalrpsglrlgtpaltsrgllekdfqkvahfihrgie ltlqiqsdtgvaatlkefkerlagdkyqaavqalreevesfaslfplpgl