Chains and heterogens:
PDB Chain Sequences:
>1kc0A (A:) mnillfgktgqvgwelqrslapvgnlialdvhskefcgdfsnpkgvaetvrklrpdvivn aaahtavdkaesepelaqllnatsveaiakaanetgawvvhystdyvfpgtgdipwqetd atsplnvygktklagekalqdncpkhlifrtswvyagkgnnfaktmlrlakerqtlsvin dqygaptgaelladctahairvalnkpevaglyhlvaggtttwhdyaalvfdearkagit laltelnavptsayptpasrpgnsrlntekfqrnfdlilpqwelgvkrmltemftttt