Chains and heterogens:
PDB Chain Sequences:
>2ldx_ (-) stvkeqliqnlvpedklsrckitvvgvgdvgmacaisillkgladelalvdadtdklrge aldlqhgslflstpkivfgkdynvsansklviitagarmvsgqtrldllqrnvaimkaiv pgviqnspdckiivvtnpvdiltyvvwkisgfpvgrvigsgcnldsarfryligeklgvn ptschgwvlgehgdssvpiwsgvnvagvtlkslnpaigtdknkqhwknvhkqvveggyev ldmkgytswaiglsvtdlarsilknlkrvhpvttlvkgfhgikeevflsipcvlgesgit dfvkvnmtaeeegllkksadtlwnmqknlel