Chains and heterogens:
PDB Chain Sequences:
>1ctpE (E:) kkgseqesvkeflakakedflkkwenpaqntahldqferiktlgtgsfgrvmlvkhketg nhfamkildkqkvvklkqiehtlnekrilqavnfpflvkleysfkdnsnlymvmeyvpgg emfshlrrigrfsepharfyaaqivltfeylhsldliyrdlkpenllidqqgyiqvtdfg fakrvkgrtwtlcgtpeylapeiilskgynkavdwwalgvliyemaagyppffadqpiqi yekivsgkvrfpshfssdlkdllrnllqvdltkrfgnlkngvndiknhkwfattdwiaiy qrkveapfipkfkgpgdtsnfddyeeeeirvsinekcgkefsef
>1ctpE (E:) kkgseqesvkeflakakedflkkwenpaqntahldqferiktlgtgsfgrvmlvkhketg nhfamkildkqkvvklkqiehtlnekrilqavnfpflvkleysfkdnsnlymvmeyvpgg emfshlrrigrfsepharfyaaqivltfeylhsldliyrdlkpenllidqqgyiqvtdfg fakrvkgrtwtlcgtpeylapeiilskgynkavdwwalgvliyemaagyppffadqpiqi yekivsgkvrfpshfssdlkdllrnllqvdltkrfgnlkngvndiknhkwfattdwiaiy qrkveapfipkfddyeeeeirvsekcgkefsef