Chains and heterogens:
PDB Chain Sequences:
>1i7dA (A:) mrlfiaekpslaraiadvlpkphrkgdgfiecgngqvvtwcighlleqaqpdaydsryar wnladlpivpekwqlqprpsvtkqlnvikrflheaseivhagdpdregqllvdevldylq lapekrqqvqrclindlnpqaveraidrlrsnsefvplcvsalararadwlyginmtray tilgrnagyqgvlsvgrvqtpvlglvvrrdeeienfvakdffevkahivtpaderftaiw qpseacepyqdeegrllhrplaehvvnrisgqpaivtsyndkresesaplpfslsalqie aakrfglsaqnvldicqklyethklitfprsdcrylpeehfagrhavmnaisvhapdllp qpvvdpdirnrcwddkkvdahhaiiptarssainlteneakvynliarqylmqfcpdavf rkcvieldiakgkfvakarflaeagwrtllgskerdeendgtplpvvakgdellcekgev verqtqpprhftdatllsamtgiarfvqdkdlkkilratdglgteatragiiellfkrgf ltkkgryihstdagkalfhslpematrpdmtahwesvltqisekqcryqdfmqplvgtly qlidqakrtpvrqfrgivapgsggsadkkkaaprkrsakksppadevgsgaiahhhhhh
>1i7dA (A:) mrlfiaekpslaraiadvlpkphrkgdgfiecgngqvvtwcighlleqaqpdaydsryar wnladlpivpekwqlqprpsvtkqlnvikrflheaseivhagdpdregqllvdevldylq lapekrqqvqrclindlnpqaveraidrlrsnsefvplcvsalararadwlyginmtray tilgrnagyqgvlsvgrvqtpvlglvvrrdeeienfvakdffevkahivtpaderftaiw qpseacepyqdeegrllhrplaehvvnrisgqpaivtsyndkresesaplpfslsalqie aakrfglsaqnvldicqklyethklitfprsdcrylpeehfagrhavmnaisvhapdllp qpvvdpdirnrcwddkkvdahhaiiptarssainlteneakvynliarqylmqfcpdavf rkcvieldiakgkfvakarflaeagwrtllgskerdeendgtplpvvakgdellcekgev verqtqpprhftdatllsamtgiarfvqdkdlkkilratdglgteatragiiellfkrgf ltkkgryihstdagkalfhslpematrpdmtahwesvltqisekqcryqdfmqplvgtly qlidqakrtpvrqfrgivap