Chains and heterogens:
PDB Chain Sequences:
>5kyeA (A:) gshmkkhtgyvglknqgatcymnsllqtlfftnqlrkavymmptegddssksvplalqrv fyelqhsdkpvgtkkltksfgwetldsfmqedvqelcrvlldnvenkmkgtcvegtipkl frgkmvsyiqckevdyrsdrredyydiqlsikgkknifesfvdyvaveqldgdnkydage hglqeaekgvkfltlppvlhlqlmrfmydpqtdqnikindrfefpeqlpldeflqktdpk dpanyilhavlvhsgdnhgghyvvylnpkgdgkwckfdddvvsrctkeeaiehnygghdd dlsvrhctnaymlvyiresklsevlqavtdhdipqqlverlqeekrieaqk
>5kyeA (A:) khtgyvglknqgatcymnsllqtlfftnqlrkavymmptegddssksvplalqrvfyelq hsdkpvgtkkltksfgwetldsfmqedvqelcrvlldnvenkmkgtcvegtipklfrgkm vsyiqckevdyrsdrredyydiqlsikgkknifesfvdyvaveqldgdnkydagehglqe aekgvkfltlppvlhlqlmrfmydpqtdqnikindrfefpeqlpldeflqktdpkdpany ilhavlvhsgdnhgghyvvylnpkgdgkwckfdddvvsrctkeeaiehnygghdddlrhc tnaymlvyiresklsevlqavtdhdipqqlverlqeekrieaq
>5kyeB (B:) gshmkkhtgyvglknqgatcymnsllqtlfftnqlrkavymmptegddssksvplalqrv fyelqhsdkpvgtkkltksfgwetldsfmqedvqelcrvlldnvenkmkgtcvegtipkl frgkmvsyiqckevdyrsdrredyydiqlsikgkknifesfvdyvaveqldgdnkydage hglqeaekgvkfltlppvlhlqlmrfmydpqtdqnikindrfefpeqlpldeflqktdpk dpanyilhavlvhsgdnhgghyvvylnpkgdgkwckfdddvvsrctkeeaiehnygghdd dlsvrhctnaymlvyiresklsevlqavtdhdipqqlverlqeekrieaqk
>5kyeB (B:) tgyvglknqgatcymnsllqtlfftnqlrkavymmptegddssksvplalqrvfyelqhs dkpvgtkkltksfgwetldsfmqedvqelcrvlldnvenkmkgtcvegtipklfrgkmvs yiqckevdyrsdrredyydiqlsikgkknifesfvdyvaveqldgdnkydagehglqeae kgvkfltlppvlhlqlmrfmydpdqnikindrfefpeqlpldeflqktdpkdpanyilha vlvhsgdnhgghyvvylnpkgdgkwckfdddvvsrctkeeaiehnyggrhctnaymlvyi resklsevlqavtdhdipqqlverlqeekr
>5kyeC (C:) mqifvktltgktitlevepsdtienvkakiqdkegippdqqrlifagkqledgrtlsdyn iqkestlhlvlrlrgg
>5kyeD (D:) mqifvktltgktitlevepsdtienvkakiqdkegippdqqrlifagkqledgrtlsdyn iqkestlhlvlrlrgg