Chains and heterogens:
PDB Chain Sequences:
>1n94A (A:) flsldsptyvlyrdraewadidpvpqndgpspvvqiiysekfrdvydyfravlqrderse rafkltrdaielnaanytvwhfrrvllrslqkdlqeemnyiiaiieeqpknyqvwhhrrv lvewlkdpsqelefiadilnqdaknyhawqhrqwviqefrlwdnelqyvdqllkedvrnn svwnqrhfvisnttgysdravlerevqytlemiklvphnesawnylkgilqdrglsrypn llnqlldlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirke ywryigrslqskhsr
>1n94B (B:) plyslrpeharerlqddsvetvtsieqakveekiqevfssykfnhlvprlvlqrekhfhy lkrglrqltdayecldasrpwlcywilhslelldepipqivatdvcqflelcqspdggfg ggpgqyphlaptyaavnalciigteeaynvinrekllqylyslkqpdgsflmhvggevdv rsaycaasvasltniitpdlfegtaewiarcqnweggiggvpgmeahggytfcglaalvi lkkerslnlksllqwvtsrqmrfeggfqgrcnklvdgcysfwqagllpllhralhaqgdp alsmshwmfhqqalqeyilmccqcpagglldkpgksrdfyhtcyclsglsiaqhfgsgam lhdvvmgvpenvlqpthpvynigpdkviqatthflqk