Chains and heterogens:
PDB Chain Sequences:
>1tu8A (A:) msykltyfsirglaepirlflvdqdikfiddriakddfssiksqfqfgqlpclydgdqqi vqsgailrhlarkynlngenemettyidmfcegvrdlhvkytrmiymayetekdpyiksi lpgelakfekllatrgngrnlilgdkisyadyalfeeldvhqildphcldkfpllkvfhq rmkdrpklkeycekrdaakvpvngngkq
>1tu8B (B:) msykltyfsirglaepirlflvdqdikfiddriakddfssiksqfqfgqlpclydgdqqi vqsgailrhlarkynlngenemettyidmfcegvrdlhvkytrmiymayetekdpyiksi lpgelakfekllatrgngrnlilgdkisyadyalfeeldvhqildphcldkfpllkvfhq rmkdrpklkeycekrdaakvpvngngkq
>1tu8C (C:) msykltyfsirglaepirlflvdqdikfiddriakddfssiksqfqfgqlpclydgdqqi vqsgailrhlarkynlngenemettyidmfcegvrdlhvkytrmiymayetekdpyiksi lpgelakfekllatrgngrnlilgdkisyadyalfeeldvhqildphcldkfpllkvfhq rmkdrpklkeycekrdaakvpvngngkq
>1tu8D (D:) msykltyfsirglaepirlflvdqdikfiddriakddfssiksqfqfgqlpclydgdqqi vqsgailrhlarkynlngenemettyidmfcegvrdlhvkytrmiymayetekdpyiksi lpgelakfekllatrgngrnlilgdkisyadyalfeeldvhqildphcldkfpllkvfhq rmkdrpklkeycekrdaakvpvngngkq