Chains and heterogens:
PDB Chain Sequences:
>1bh2_ (-) revkllllgagesgkstivkqmkiiheagyseeeckqykavvysntiqsiiaiiramgrl kidfgdaaraddarqlfvlagaaeegfmtaelagvikrlwkdsgvqacfnrsreyqlnds aayylndldriaqpnyiptqqdvlrtrvkttgivethftfkdlhfkmfdvggqrserkkw ihcfegvtaiifcvalsdydlvlaedeemnrmhesmklfdsicnnkwftdtsiilflnkk dlfeekikksplticypeyagsntyeeaaayiqcqfedlnkrkdtkeiythftcstdtkn vqfvfdavtdviikn