Chains and heterogens:
PDB Chain Sequences:
>2bwxA (A:) seisrqefqrrrqalveqmqpgsaalifaapevtrsadseypyrqnsdfwyftgfnepea vlvliksddthnhsvlfnrvrdltaeiwfgrrlgqdaapeklgvdralafseinqqlyql lngldvvyhaqgeyayadvivnsaleklrkgsrqnltapatmidwrpvvhemrlfkspee iavlrrageitamahtramekcrpgmfeyhlegeihhefnrhgarypsyntivgsgengc ilhytenecemrdgdlvlidagceykgyagditrtfpvngkftqaqreiydivleslets lrlyrpgtsilevtgevvrimvsglvklgilkgdvdeliaqnahrpffmhglsawlgldv hdvgvygqdrsrilepgmvltvepglyiapdaevpeqyrgigirieddivitetgnenlt asvvkkpeeiealmvaarkq