Chains and heterogens:
PDB Chain Sequences:
>1loqA (A:) rlilamdlmnrddalrvtgevreyidtvkigyplvlsegmdiiaefrkrfgcriiadfkv adipetnekicratfkagadaiivhgfpgadsvraclnvaeemgrevflltemshpgaem fiqgaadeiarmgvdlgvknyvgpstrperlsrlreiigqdsflispgvgaqggdpgetl rfadaiivgrsiyladnpaaaaagiiesi