Chains and heterogens:
PDB Chain Sequences:
>1kf0A (A:) slsnkltldklnvkgkrvvmrvdfnvpmknnqitnnqrikaavpsikfclddgaksvvlm shlgrpdgspmpdkyslqpvavelksllgkdvlflkdcvgpevekacadpaagsvillen lrfhveeegkgkdasgnkvkaepakiktfraslsklgdvyvndafgtahrahssmvgvnl pkkaggflmkkelnyfakalesperpflailggakvadkiqlinnmldkvnemiigggma ftflkvlnnmeigtslfdeegakivknlmskaekngvkitlpvdfvtadkfdehaktgqa tvasgipagwmgldcgpesskkyseavarakqivwngpvgvfeweafaqgtkalmdevvk atsrgcitiigggdtatccakwntedkvshvstgggaslellegkvlpgvdalsnv