Chains and heterogens:
PDB Chain Sequences:
>6et4A (A:) matgderfyaehlmptlqglldpesahrlavrftslgllprarfqdsdmlevrvlghkfr npvgiaagfdkhgeavdglykmgfgfveigsvtpkpqegnprprvfrlpedqavinrygf nshglsvvehrlrarqqkqakltedglplgvnlgknktsvdaaedyaegvrvlgpladyl vvnvsspntaglrslqgkaelrrlltkvlqerdglrrvhrpavlvkiapdltsqdkedia svvkelgidglivtnttvsrpaglqgalrsetgglsgkplrdlstqtiremyaltqgrvp iigvggvssgqdalekiragaslvqlytaltfwgppvvgkvkreleallkeqgfggvtda igadhrr