Chains and heterogens:
PDB Chain Sequences:
>1km6A (A:) rlilamdlmnrddalrvtgevreyidtvkigyplvlsegmdiiaefrkrfgcriiaafav adipetnekicratfkagadaiivhgfpgadsvraclnvaeemgrevflltemshpgaem fiqgaadeiarmgvdlgvknyvgpstrperlsrlreiigqdsflispgvgaqggdpgetl rfadaiivgrsiyladnpaaaaagiiesi