Chains and heterogens:
PDB Chain Sequences:
>2iejA (A:) maategvgeaaqggepgqpaqpppqphppppqqqhkeemaaeageavaspmddgfvslds psyvlyrdraewadidpvpqndgpnpvvqiiysdkfrdvydyfravlqrderserafklt rdaielnaanytvwhfrrvllkslqkdlheemnyitaiieeqpknyqvwhhrrvlvewlr dpsqelefiadilnqdaknyhawqhrqwviqefklwdnelqyvdqllkedvrnnsvwnqr yfvisnttgyndravlerevqytlemiklvphnesawnylkgilqdrglskypnllnqll dlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirkeywryig rslqskhstendsptnvqqeef
>2iejA (A:) fvsldspsyvlyrdraewadidpvpqndgpnpvvqiiysdkfrdvydyfravlqrderse rafkltrdaielnaanytvwhfrrvllkslqkdlheemnyitaiieeqpknyqvwhhrrv lvewlrdpsqelefiadilnqdaknyhawqhrqwviqefklwdnelqyvdqllkedvrnn svwnqryfvisnttgyndravlerevqytlemiklvphnesawnylkgilqdrglskypn llnqlldlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirke ywryigrslqskhst
>2iejB (B:) maspssftyycppssspvwseplyslrpeharerlqddsvetvtsieqakveekiqevfs sykfnhlvprlvlqrekhfhylkrglrqltdayecldasrpwlcywilhslelldepipq ivatdvcqflelcqspeggfgggpgqyphlaptyaavnalciigteeaydiinrekllqy lyslkqpdgsflmhvggevdvrsaycaasvasltniitpdlfegtaewiarcqnweggig gvpgmeahggytfcglaalvilkrerslnlksllqwvtsrqmrfeggfqgrcnklvdgcy sfwqagllpllhralhaqgdpalsmshwmfhqqalqeyilmccqcpagglldkpgksrdf yhtcyclsglsiaqhfgsgamlhdvvlgvpenalqpthpvynigpdkviqattyflqkpv pgfeelkdetsaepatd
>2iejB (B:) sspvwseplyslrpeharerlqddsvetvtsieqakveekiqevfssykfnhlvprlvlq rekhfhylkrglrqltdayecldasrpwlcywilhslelldepipqivatdvcqflelcq speggfgggpgqyphlaptyaavnalciigteeaydiinrekllqylyslkqpdgsflmh vggevdvrsaycaasvasltniitpdlfegtaewiarcqnweggiggvpgmeahggytfc glaalvilkrerslnlksllqwvtsrqmrfeggfqgrcnklvdgcysfwqagllpllhra lhaqgdpalsmshwmfhqqalqeyilmccqcpagglldkpgksrdfyhtcyclsglsiaq hfgsgamlhdvvlgvpenalqpthpvynigpdkviqattyflqkpvpgfe