Chains and heterogens:
PDB Chain Sequences:
>2qk4A (A:) mhhhhhhssgvdlgtenlyfqsmaarvliigsggrehtlawklaqshhvkqvlvapgnag tacsekisntaisisdhtalaqfckekkiefvvvgpeaplaagivgnlrsagvqcfgpta eaaqlesskrfakefmdrhgiptaqwkaftkpeeacsfilsadfpalvvkasglaagkgv ivakskeeackavqeimqekafgaagetivieelldgeevsclcftdgktvapmppaqdh krllegdggpntggmgaycpapqvsndlllkikdtvlqrtvdgmqqegtpytgilyagim ltkngpkvlefncrfgdpecqvilpllksdlyeviqstldgllctslpvwlenhtaltvv maskgypgdytkgveitgfpeaqalglevfhagtalkngkvvthggrvlavtairenlis aleeakkglaaikfegaiyrkdigfraiaflq
>2qk4A (A:) smaarvliigsggrehtlawklaqshhvkqvlvapgnagtacsekisntaisisdhtala qfckekkiefvvvgpeaplaagivgnlrsagvqcfgptaeaaqlesskrfakefmdrhgi ptaqwkaftkpeeacsfilsadfpalvvkasglkgvivakskeeackavqeimqeetivi eelldgeevsclcftdgktvapmppaqdhkrllegdggpntggmgaycpapqvsndlllk ikdtvlqrtvdgmqqegtpytgilyagimltkngpkvlefncrfgdpecqvilpllksdl yeviqstldgllctslpvwlenhtaltvvmaskgypgdytkgveitgfpeaqalglevfh agtalkngkvvthggrvlavtairenlisaleeakkglaaikfegaiyrkdigfraiafl
>2qk4B (B:) mhhhhhhssgvdlgtenlyfqsmaarvliigsggrehtlawklaqshhvkqvlvapgnag tacsekisntaisisdhtalaqfckekkiefvvvgpeaplaagivgnlrsagvqcfgpta eaaqlesskrfakefmdrhgiptaqwkaftkpeeacsfilsadfpalvvkasglaagkgv ivakskeeackavqeimqekafgaagetivieelldgeevsclcftdgktvapmppaqdh krllegdggpntggmgaycpapqvsndlllkikdtvlqrtvdgmqqegtpytgilyagim ltkngpkvlefncrfgdpecqvilpllksdlyeviqstldgllctslpvwlenhtaltvv maskgypgdytkgveitgfpeaqalglevfhagtalkngkvvthggrvlavtairenlis aleeakkglaaikfegaiyrkdigfraiaflq
>2qk4B (B:) smaarvliigsggrehtlawklaqshhvkqvlvapgnagtacsekisntaisisdhtala qfckekkiefvvvgpeaplaagivgnlrsagvqcfgptaeaaqlesskrfakefmdrhgi ptaqwkaftkpeeacsfilsadfpalvvkasglagvivakskeeackavqeimqekaget ivieelldgeevsclcftdgktvapmppaqdhkrllegdggpntggmgaycpapqvsndl llkikdtvlqrtvdgmqqegtpytgilyagimltkngpkvlefncrfgdpecqvilpllk sdlyeviqstldgllctslpvwlenhtaltvvmaskgypgdytkgveitgfpeaqalgle vfhagtalkngkvvthggrvlavtairenlisaleeakkglaaikfegaiyrkdigfrai aflq