Chains and heterogens:
PDB Chain Sequences:
>1n9aA (A:) flsldsptyvlyrdraewadidpvpqndgpspvvqiiysekfrdvydyfravlqrderse rafkltrdaielnaanytvwhfrrvllrslqkdlqeemnyitaiieeqpknyqvwhhrrv lvewlkdpsqelefiadilnqdaknyhawqhrqwviqefrlwdnelqyvdqllkedvrnn svwnqrhfvisnttgysdravlerevqytlemiklvphnesawnylkgilqdrglsrypn llnqlldlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirke ywryigrslqskhsr
>1n9aA (A:) flsldsptyvlyrdraewadidpvpqndgpspvvqiiysekfrdvydyfravlqrderse rafkltrdaielnaanytvwhfrrvllrslqkdlqeemnyitaiieeqpknyqvwhhrrv lvewlkdpsqelefiadilnqdaknyhawqhrqwviqefrlwdnelqyvdqllkedvrnn svwnqrhfvisnttgysdravlerevqytlemiklvphnesawnylkgilqdrglsrypn llnqlldlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirke ywryigrslqsk
>1n9aB (B:) plyslrpeharerlqddsvetvtsieqakveekiqevfssykfnhlvprlvlqrekhfhy lkrglrqltdayecldasrpwlcywilhslelldepipqivatdvcqflelcqspdggfg ggpgqyphlaptyaavnalciigteeaynvinrekllqylyslkqpdgsflmhvggevdv rsaycaasvasltniitpdlfegtaewiarcqnweggiggvpgmeahggytfcglaalvi lkkerslnlksllqwvtsrqmrfeggfqgrcnklvdgcysfwqagllpllhralhaqgdp alsmshwmfhqqalqeyilmccqcpagglldkpgksrdfyhtcyclsglsiaqhfgsgam lhdvvmgvpenvlqpthpvynigpdkviqatthflqkpvpgf
>1n9aB (B:) lyslrpeharerlqddsvetvtsieqakveekiqevfssykfnhlvprlvlqrekhfhyl krglrqltdayecldasrpwlcywilhslelldepipqivatdvcqflelcqspdggfgg gpgqyphlaptyaavnalciigteeaynvinrekllqylyslkqpdgsflmhvggevdvr saycaasvasltniitpdlfegtaewiarcqnweggiggvpgmeahggytfcglaalvil kkerslnlksllqwvtsrqmrfeggfqgrcnklvdgcysfwqagllpllhralhaqgdpa lsmshwmfhqqalqeyilmccqcpagglldkpgksrdfyhtcyclsglsiaqhfgsgaml hdvvmgvpenvlqpthpvynigpdkviqatthflqkpvpgf