Chains and heterogens:
PDB Chain Sequences:
>1bjk_ (-) dvpvnlyrpnapfigkvisneplvkeggigivqhikfdltggnlkyiegqsigiippgvd kngkpeklrlysiastrhgddvddktislcvrqleykhpesgetvygvcstylthiepgs evkitgpvgkemllpddpeanvimlatgtgiapmrtylwrmfkdaeraanpeyqfkgfsw lvfgvpttpnilykeeleeiqqkypdnfrltyaisreqknpqggrmyiqdrvaehadqlw qliknqkthtyicglegmeegidaalsaaaakegvtwsdyqkdlkkagrwhvety