Chains and heterogens:
PDB Chain Sequences:
>1py5A (A:) ttlkdliydmttsgsgsglpllvqrtiartivlqesigkgrfgevwrgkwrgeevavkif ssreerswfreaeiyqtvmlrhenilgfiaadnkdngtwtqlwlvsdyhehgslfdylnr ytvtvegmiklalstasglahlhmeivgtqgkpaiahrdlksknilvkkngtcciadlgl avrhdsatdtidiapnhrvgtkrymapevlddsinmkhfesfkradiyamglvfweiarr csiggihedyqlpyydlvpsdpsveemrkvvceqklrpnipnrwqscealrvmakimrec wyangaarltalrikktlsqlsqqeg
>1py5A (A:) tiartivlqesigkgrfgevwrgkwrgeevavkifssreerswfreaeiyqtvmlrheni lgfiaadnkdngtwtqlwlvsdyhehgslfdylnrytvtvegmiklalstasglahlhme ivgtqgkpaiahrdlksknilvkkngtcciadlglavrhdsatdtidiapnhrvgtkrym apevlddsinmkhfesfkradiyamglvfweiarrcsiggihedyqlpyydlvpsdpsve emrkvvceqklrpnipnrwqscealrvmakimrecwyangaarltalrikktlsqlsqqe g