Chains and heterogens:
PDB Chain Sequences:
>1bix_ (-) lyedppdqktspsgkpatlkicswnvdglrawikkkgldwvkeeapdilclqetkcsenk lpaelqelpglshqywsapsdkegysgvgllsrqcplkvsygigdeehdqegrvivaefd sfvlvtayvpnagrglvrleyrqrwdeafrkflkglasrkplvlcgdlnvaheeidlrnp kgnkknagftpqerqgfgellqavpladsfrhlypntpyaytfwtymmnarsknvgwrld yfllshsllpalcdskirskalgsdhcpitlylal